Longcheer Technology U6100 GSM/WCDMA HSPA MODULE User Manual U6100 UserMan

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Document Name: U6100 User Manual
Contents
Contents .......................................................................................................................................................................... ２
1．Introduction ................................................................................................................................................................. 3
1.1 Overview .................................................................................. 3
1.2 Application scenario ........................................................................ 3
2. U6100 interfaces.......................................................................................................................................................... 4
2.1 U6100 interface summary ................................................................... 4
2.1.1 Test points ............................................................................................................................................................... 5
2.1.2 Board to board connector ..................................................................................................................................... 5
2.1.3 RF interface ............................................................................................................................................................ 9
2.2 Application note of U6100 interfaces ......................................................... 10
2.2.1 RF antenna interface ........................................................................................................................................... 10
2.2.2 Power supply and ground ................................................................................................................................... 10
2.2.3 USB interface........................................................................................................................................................ 11
2.2.4 USIM interface ...................................................................................................................................................... 12
2.2.5 Micro SD card interface....................................................................................................................................... 14
2.2.6 Audio interface ...................................................................................................................................................... 15
2.2.7 PCM interface and SPI interface ....................................................................................................................... 17
2.2.8 UART interface ..................................................................................................................................................... 18
2.2.9 LED control ........................................................................................................................................................... 19
2.2.10 Others .................................................................................................................................................................. 21
3. U6100 key features ................................................................................................................................................... 22
3.1 Internet access ........................................................................... 22
3.2 SMS ..................................................................................... 23
3.3 start-up mode switching .................................................................... 23
3.4 Extended Mass Memory.................................................................... 24
4. Application Illustration ............................................................................................................................................... 24
4.1 Dial-up procedure ......................................................................... 24
4.2 SMS ..................................................................................... 25
4.2.1 Message Format .................................................................................................................................................. 25
4.2.2 Set Message Storage Location .......................................................................................................................... 25
4.2.3 PDU Format .......................................................................................................................................................... 26
4.2.4 TEXT Format ........................................................................................................................................................ 27
4.2.5 SMS Service Center Address Setting ............................................................................................................... 29
4.3 Start-up Mode Switching ................................................................... 29
Appendix：Mechanical dimensions of U6100 ..................................................... 30
Page ２ of 31
1．Introduction
1.1 Overview
The LONGSUNG HSPA module U6100, powered by Qualcomm MSM6290 chipset, can be integrated into any devices
for 3G mobile applications. It provides audio, SMS and extended mass memory function as well as high speed internet
access to HSUPA, HSDPA and UMTS networks worldwide.
The U6100 module complies with the technical standard listed below:
·HSUPA
3GPP R6, up to 2Mbps UL Category 4
·HSDPA
3GPP R5, up to 7.2 Mbps DL Category 8
·UMTS
Up to 384 Kbps DL and UL
·EDGE
3GPP R4, Class 12, up to 236.8 Kbps DL and 118.4Kbps UL
·GPRS
Up to 85.6 Kbps DL and 42.8 Kbps UL
It supports the frequency bands: UMTS 850/1900/2100 MHz and GSM/GPRS/EDGE 850/900/1800/1900 MHz.
1.2 Application scenario
The HSPA module U6100 supports Audio, SMS, extended mass memory and Internet access functions. The application
of U6100 is as follows:
Page 3 of 31
Figure1-1 U6100 application scenario
2. U6100 interfaces
2.1 U6100 interface summary
The HSPA module U6100 supports for multimode operation: HSDPA, HSUPA, tri-band UMTS (850/1900/2100
MHz) and quad-band GSM (850/900/DCS1800/PCS1900 MHz). The size of U6100 is 45×24×4.6mm. And the
appearance is shown in Figure 2-1 and Figure 2-2.
Figure 2-2 The rear view of U6100
Figure 2-1 The front view of U6100
There is a group of test points on the front of U6100 which is shown as part 1 in Figure 2-1. The 60PIN board to
board connector is shown as part 3 in Figure 2-2, which is the main interface for application. An antenna pad and a RF
connector is shown as part 2 in Figure 2-1 and Figure 2-2.
Page 4 of 31
2.1.1 Test points
The test points of U6100 are shown in Figure 2-3, and the definition of each point is shown in Table 2-1.
Figure 2-3 Test points of U6100
Table 2-1 The definition of U6100 test points
SN
Definition
USIM Card CLK
USIM Card Power
USIM Card Data
USIM Card Reset
USB Power Input
GND
USB DATA+
USB DATA-
U6100 Power Input
2.1.2 Board to board connector
A 60PIN board to board connector is provided to connect with other board for data communication, power supply and
some other function, which is a narrow pinch dual line patch socket. The ball pinch is 0.5mm, the width of the ball is
0.2mm, the stacking height of the connector is 2.0mm. The length of connection area for the connector is larger than
0.55mm which ensure the reliable connection for the header & socket. The dimension of the connector is shown in
figure 2-4. The value of parameter A, B and C is as follows:
A=18mm, B=14.5mm, C=1.85mm. It is recommended to use the AXK6F60345YJ, which is provided by NAIS, as the
header to connect with the socket.
Page 5 of 31
Figure 2-4 The dimension of board to board connector
To prevent the connector from damage of static electricity caused by plugging, it is better to use the ESD protection
device which should be close to the connector as possible.
PIN definition of board to board connector is shown in Table 2-2.
Figure 2-5 The 60PIN board to board connector of U6100
Page 6 of 31
Table 2-2 The definition of board to board connector
SN
Definition
Description
Remark
VBAT
Power Supply
VBAT
Power Supply
VBAT
Power Supply
VBAT
Power Supply
VBAT
Power Supply
VBAT
Power Supply
GND
Ground
GND
Ground
MIC_P
MIC Data+
MIC Interface
10
USB_DM
USB Data-
USB Interface
11
MIC_N
MIC Data-
MIC Interface
12
USB_DP
USB Data+
USB Interface
13
GND
Ground
14
GND
Ground
15
EAROP
Earphone Data+
16
GND
Ground
17
EARON
Earphone Data-
Earphone Interface
18
USIM_RESET
USIM Reset
USIM Interface
19
GND
Ground
20
USIM_DATA
USIM Data
USIM Interface
21
VREG_EXTUSIM
USIM Power
USIM Interface
22
GND
Ground
23
PCM_DOUT/GPIO[103]
PCM Data Output
PCM Interface, can be used as GPIO
24
PCM_CLK/GPIO[80]
PCM CLK
PCM Interface, can be used as GPIO
25
PCM_DIN/GPIO[14]
PCM Data Input
PCM Interface, can be used as GPIO
26
GND
Ground
27
GND
Ground
28
External analog signal
HKADC
detecting
Page 7 of 31
Earphone Interface
Micro SD Interface, can be used as GPIO,
29
SDCC_DATA0/GPIO[32]
Micro SD Data 0
SDCC_DATA0, SDCC_CLK, SDCC_CMD
and VREG_MMC are compatible for MMC
card
30
GND
Ground
31
SDCC_DATA1/GPIO[99]
Micro SD Data 1
Micro SD Interface, can be used as GPIO
Micro SD Interface, can be used as GPIO,
32
SDCC_CLK/GPIO[31]
Micro SD CLK
SDCC_DATA0, SDCC_CLK, SDCC_CMD
and VREG_MMC are compatible for MMC
card
33
SDCC_DATA2/GPIO[100]
Micro SD Data 2
Micro SD Interface, can be used as GPIO
Micro SD Interface, can be used as GPIO.
34
SDCC_CMD/GPIO[30]
Micro SD Command
SDCC_DATA0, SDCC_CLK, SDCC_CMD
and VREG_MMC are compatible for MMC
card
35
SDCC_DATA3/GPIO[101]
Micro SD Data 3
36
GND
Ground
Micro SD Interface, can be used as GPIO
Micro SD Interface, can be used as GPIO.
37
VREG_MMC
Micro SD Power
SDCC_DATA0, SDCC_CLK, SDCC_CMD
and VREG_MMC are compatible for MMC
card
38
USIM_CLK
USIM CLK
USIM Interface
39
USB_VBUS
USB Power
USB Interface
40
GND
Ground
SLIC_RESET/GPIO[60]
SLIC Reset
GND
Ground
SLIC_INT/GPIO[59]
SLIC Interrupt
44
SPI_CLK/GPIO[57]
SPI CLK
45
VREG_MSMP
VREG_MSMP voltage output
46
SPI_DOUT/GPIO[55]
SPI Data Output
47
GND
Ground
48
SPI_DIN/GPIO[56]
SPI Data Input
49
PWM_OUT
PWM Output
50
SPI_CS/GPIO[58]
SPI CS
51
VCOIN
VRTC
52
KPD_PWR_N
Power On
41
42
43
Page 8 of 31
Reset for peripheral device, can be used as
GPIO
Interrupt for peripheral device, can be used as
GPIO
SPI Interface, can be used as GPIO
SPI Interface, can be used as GPIO
SPI Interface, can be used as GPIO
SPI Interface, can be used as GPIO
53
EXT_RST_IN
Reset
54
UART_TX/GPIO[95]
Tx in UART
55
GND
Ground
56
UART_RX/GPIO[96]
Rx in UART
UART, can be used as GPIO
57
PCM_SYNC/GPIO[102]
PCM Synchronous Signal
PCM Interface, can be used as GPIO
58
LED_CTL_G
The Green LED Control
59
GND
Ground
60
LED_CTL_R
The RED LED Control
UART, can be used as GPIO
2.1.3 RF interface
The U6100 module provides an interface for RF antenna which has two different modes for connection.
Connector mode: U6100 uses MURATA’s MM9329-2700RA1 RF connector on the rear side, it is recommend to use
MURATA’s MXTK92XXXXX as matching connector. Please refer to MURATA’s MXTK92XXXXX documents for
more information.
Solder pad mode: The antenna can also be soldered to the pad on the module which has a ground pad close to the
antenna pad.
The RF connector is shown in Figure 2-6.
Figure 2-6 The sketch map of RF connector
Page 9 of 31
2.2 Application note of U6100 interfaces
U6100 provides rich interfaces for secondary development by the 60PIN board to board connector, such as Micro
SD/T-Flash card interface (Compatible for MMC card), USIM card interface, USB interface, audio interface, UART
interface, PCM（Pulse Code Modulation) interface, SPI（Serial Peripheral interface) interface, power supply interface
and so on. The detail information will be described in the following sections.
2.2.1 RF antenna interface
The ground impedance of RF antenna is 50Ω. There are two different modes for connection.
A. Connector mode: Recommended, a connector is on the rear side of PCB board
B. Solder pad mode: Antenna pad and ground pad are on the front side of PCB board
It’s required to use RF cable of which the insertion loss should comply with:
• GSM850/900<1dB
• DCS1800/PCS1900<1.5dB
• UMTS2100/ UMTS1900/ UMTS850<1.5dB
And the gain of antenna should comply with the Table 2-3:
Table 2-3 Antenna gain requirements
Item
Parameter
GSM
DCS
UMTS
0.5
Gain (dBi)
Omnidirectional antenna
Type
2.2.2 Power supply and ground
There are two power supply input for U6100 module listed as follows:
1. DC +3.4V～+4.2V, for U6100 working voltage;
2. DC +5V, for USB working voltage;
The description of U6100 Power supply and GND pins is shown in Table 2-4 below.
The device does not operate at temperatures below -20°
Page 10 of 31
Table 2-4 the description of U6100 Power supply and GND pins
Power input
Pin name of 60Pin
SN. of 60Pin
board to board connector
board to board connector
DC:
1, 2, 3, 4, 5, 6
VBAT
+3.4V～+4.2V input
USB power input
USB_VBUS
39
GND
GND
7, 8, 13, 14, 16, 19, 22, 26, 27, 30, 36,
40, 42, 47, 55, 59
2.2.3 USB interface
2.2.3.1 Description
U6100 provides a high-speed USB interface by 60PIN board to board connector, which supports USB 2.0 protocol. The
detail information is given in Table 2-5.
Table 2-5 U6100 USB interface description
Signals of
Pins of 60Pin
SN. of 60Pin
Description
USB interface
board to board connector
board to board connector
USB_VBUS
USB_VBUS
39
USB power
DM
DM
10
USB Data-
DP
DP
12
USB Data+
GND
GND
7, 8, 13, 14, 16, 19, 22, 26, 27, 30,
GND
36, 40, 42, 47, 55, 59
2.2.3.2 Reference circuit
The reference circuit of USB interface is shown in Figure 2-7 below.
1) To get the reliable USB power supply, it is recommended to use a 10uF（C406) filter capacitor and a 22pF（C407)
filter capacitor which need to be grounded.
2) To reduce the reflection caused by the high frequency alternating signal in the transmission, it is recommended to
Page 11 of 31
add a resistor with value below 10Ω to the DM and DP in USB interface to ensure correct transmission for USB
data. Just like the resistors R408 and R409 in Figure 2-7.
3) To avoid static electricity in USB interface, it is recommended to use the ESD protection device. Just like the
varistor RV406, RV407 and RV408 with capacitor values below 3pF.
4) To ensure USB working reliably, it is recommended to use additional protection device.
Figure 2-7 The reference circuit of USB interface
2.2.4 USIM interface
U6100 supports USIM card in UMTS mode as well as SIM card in GSM/GPRS/EDGE mode.
2.2.4.1 Description
U6100 provides USIM card interface by 60PIN board to board connector which can be used in both UMTS and
GSM/GPRS/EDGE networks. The Table 2-6 gives more detail information.
Table 2-6 U6100 USIM card interface description
Signals of
Pins of 60Pin
SN. of 60Pin
USIM interface
board to board connector
board to board connector
DATA
USIM_DATA
20
USIM card data
CLK
USIM_CLK
38
USIM card CLK
Page 12 of 31
Description
RST
USIM_RESET
18
Reset signal
VCC
VREG_EXTUSIM
21
USIM card power
GND
GND
7, 8, 13, 14, 16, 19, 22, 26, 27,
GND
30, 36, 40, 42, 47, 55, 59
2.2.4.2 Reference circuit
The reference circuit of USIM interface is shown in Figure 2-8 below.
1) The DATA line of USIM is connected to SIM power supply by a pull-up resistor with reference value 15KΩ.
2) To avoid the instantaneous voltage overflowing, the resistor with reference value 22Ω can be used for the DATA,
CLK and RST line. Just like the resistors R307, R308 and R309 in Figure 2-8.
3) To avoid the static electricity in USIM socket, it is recommended to use the ESD protection device for the DATA，
CLK and VCC line. Just like the varistors RV301, RV302, RV303 and RV304 in figure 2-8 which should be close
to the USIM socket as possible.
4) To get more flat USIM power supply, it is recommended to use the filter capacitors. Just like C311 and C312 in
Figure 2-8 with reference value 33pF and 100nF.
5) To eliminate the peak interference and high frequency interference signal on RST and CLK line, the filter capacities
(C310, C309) can be placed in RST and CLK line, the reference value is 33pF.
Figure 2-8 The reference circuit of USIM interface
Page 13 of 31
2.2.5 Micro SD card interface
U6100 provides a Micro SD card interface for extended mass memory. The Micro SD card interface can also be used
for T-Flash card and MMC card.
2.2.5.1 Description
U6100 provides Micro SD card interface by 60PIN board to board connector. The Table 2-7 gives the more detail
information.
Table 2-7 U6100 Micro SD card interface description
Signals of
Pins of 60Pin
SN. of 60Pin
Description
Micro SD interface
board to board connector
board to board connector
DATA2
SDCC_DATA2
33
Micro SD card data2
DATA3
SDCC_DATA3
35
Micro SD card data3
CMD
SDCC_CMD
34
The signal for command, reading
or writing
VCC
VREG_MMC
37
SD/MMC Power
CLK
SDCC_CLK
32
CLK
DATA0
SDCC_DATA0
29
Micro SD card data0
DATA1
SDCC_DATA1
31
Micro SD card data1
GND
GND
7, 8, 13, 14, 16, 19, 22, 26, 27, 30,
GND
36, 40, 42, 47, 55, 59
2.2.5.2 Reference circuit
The reference circuit of Micro SD card interface is shown in Figure 2-9.
1) The data line of Micro SD such as SDCC_DATA0, SDCC_DATA1, SDCC_DATA2, SDCC_DATA3 and
SDCC_CMD, should be connected to Micro SD card power supply by pull-up resistors with reference value 10KΩ.
Just like R304, R305, R301, R302 and R303 in Figure 2-9.
2) To get more flat Micro SD card power supply, it is recommended to use filter capacitors. Just like C307 and C308 in
Figure 2-9, and the reference values are 33pF and 100nF.
3) To eliminate high-frequency interference, it is recommended to use capacitors for Micro SD card data line, such as
Page 14 of 31
SDCC_DATA0, SDCC_DATA1, SDCC_DATA2, SDCC_DATA3 and SDCC_CMD、SDCC_CLK. Just like C301,
C302, C303, C304, C305 and C306 in Figure 2-9.
4) To avoid static electricity in Micro SD card socket, it is recommended to use the ESD protection device which
should be close to the Micro SD card socket as possible.
Figure 2-9 The reference circuit of Micro SD card interface
2.2.6 Audio interface
The audio signals include a pair of input differential signals（MIC1_P, MIC1_N)
and a pair of output differential
signals (EAR1OP, EAR1OR).
2.2.6.1 Description
The audio signals provided by U6100 are described in Table 2-8 below.
Table 2-8 U6100 audio signal description
Pins in
board to board connector
SN. of 60Pin
Description
board to board connector
EAROP
15
Audio output differential signal +
EARON
17
Audio output differential signal -
MIC_P
Audio input differential signal +
Page 15 of 31
MIC_N
Audio input differential signal -
14
2.2.6.2 The connection between audio I/O and earphone
The audio I/O signals provided by U6100 can be connected to a stereo earphone jack which is shown in Table 2-9. The
information about test points is shown in Table 2-1 above.
Table 2-9 The connection between earphone jack and the board to board connector
Pin name of
Pins of board to board
SN. of 60Pin board to board
Description
earphone jack
connector
connector
Left Speaker
EAROP
15
The left output of stereo
Right Speaker
EARON
17
The right output of stereo
MIC
MIC_P
The microphone input
PGND
GND
14
Analog ground signal
2.2.6.3 The connection between audio I/O and phone handle
The audio I/O signals provided by U6100 can be connected to a phone handle which is shown in Table 2-10.
Table 2-10 The connection between phone handle and the board to board connector
Signals of
Pins of
SN. of 60Pin board to
phone handle
board to board connector
board connector
EAR_P
EAROP
15
Audio output differential signal +
EAR_N
EARON
17
Audio output differential signal -
MIC_P
MIC_P
Audio input differential signal +
MIC_N
MIC_N
11
Audio input differential signal -
2.2.6.4 Reference circuit
The reference circuit of audio interface is shown in figure 2-10.
Page 16 of 31
Description
Figure 2-10 The reference circuit of audio interface
1) The audio output signals, a pair of differential signals, output to two speaker. The output signal is not real stereo
signal which is different from traditional stereo sounds.
2) It is recommended to use the filter capacitor or filter circuit to reduce inter frequency interference and improve audio
quality. Just like what is shown in Figure 2-10.
3) To avoid static electricity, it is recommended to use the ESD protection device just like the varistors RV501, RV502
and RV503 in Figure 2-10.
4) It requires to connect audio analog signal ground with the general digital circuit ground, magnetic bead or zero ohm
resistance can be used just like R501 in Figure 2-10.
5) J501 is schematic diagram for four section of earphone jack, audio output signals connect with positive differential
signal and negative differential signal, audio input signals connect with positive differential signal only.
2.2.7 PCM interface and SPI interface
U6100 provides PCM and SPI interface by 60PIN board to board connector.
Page 17 of 31
2.2.7.1 PCM interface description
The information about PCM interface provided by U6100 is described in Table 2-11.
Table 2-11 U6100 PCM interface description
Signals of PCM
Pins of
SN. of 60Pin board to
Description
board to board connector
board connector
SYNC
PCM_SYNC
57
PCM Synchronous Signal
CLK
PCM_CLK
24
PCM CLK
D ATA_IN
PCM_DIN
25
PCM Input
D ATA_OUT
PCM_DOUT
23
PCM Output
2.2.7.2 SPI interface description
U6100 provides a SPI interface which is simulated by GPIO PIN. The detail information is given in Table 2-12 below.
Table 2-12 U6100 SPI interface description
Signals of SPI
Pins in
SN. of 60Pin board to
Description
board to board connector
board connector
DATA_OUT
SPI_DOUT
46
SPI Output signal
DATA_IN
SPI_DIN
48
SPI Input signal
CLK
SPI_CLK
44
SPI CLK
CS
SPI_CS
50
SPI CS
2.2.8 UART interface
U6100 provides a UART interface (RS232) by 60Pin board to board connector for debugging.
2.2.8.1 Description
The information about UART interface provided by U6100 is described in Table 2-13.
Table 2-13 U6100 UART interface description
Signals of UART
Pins in
SN. of 60Pin board to
board to board connector
board connector
Page 18 of 31
Description
Rx
UART_RX
56
Rx in UART
Tx
UART_TX
54
Tx in UART
GND
GND
7, 8, 13, 14, 16, 19, 22, 26,
GND
27, 30, 36, 40, 42, 47, 55, 59
2.2.8.2 Reference circuit
The reference circuit of UART interface is shown in Figure 2-11.
1) As the UART interface can only supply TTL level while the PC serial port is RS232 level, it requires to use level
conversion device. The reference device is SP3238EEA which provided by SIPEX, as shown in Figure 2-11. J401 is
a 9 pin serial port socket which can connect to PC with serial cable.
2) To avoid static electricity, it is recommended to use the ESD protection device for the signal line of the UART socket.
Just like the varistors RV401, RV402, RV403, RV404 and RV405 in Figure 2-11 which should be close to the
socket as possible.
Figure 2-11 The reference circuit of UART interface
2.2.9 LED control
2.2.9.1 Description
There are two pins for LED control by the 60 PINs board to board connector. The detail information is given in Table
Page 19 of 31
2-14.
Table 2-14 U6100 LED control description
Pins of
SN. of 60Pin board to
Description
board to board connector
board connector
LED_CTL_G
58
The Green LED control
LED_CTL_R
60
The Red LED control
U6100 status indication by LED is listed in Table 2-15.
Table 2-15 LED display description
LED
Green
Green + Red
Red
Status
Description
Flicker quickly (100ms On/800ms Off)
Networks searching
Flicker slowly(100ms On/3000ms Off)
Registered in 3G networks
Flicker more quickly(100ms On/300ms Off)
Working in 3G networks, and the data is transmitting
Always On
Connected to 3G networks, but no data transmitting
Flicker slowly(100ms On/3000ms Off)
Registered in 2G networks
Flicker more quickly(100ms On/300ms Off)
Working in 2G networks, and the data is transmitting
Always On
Connected to 2G networks, but no data transmitting
Off
Closed
Always On
Error(No SIM card or failed
in registering
networks )
2.2.9.2 Reference circuit
The reference circuit for LED is shown in Figure 2-12.
Figure 2-12 The reference circuit of LED control
1) The LED control pin（GPIO） controls the LED through a transistor, as is shown in Figure 2-12.
2) The reference value is 5mA. So the current-limiting resistor may be used. Just like the resistor R14 in Figure 2-12.
Page 20 of 31
3) The reference circuit is for Green LED, and it is the same for Red LED.
2.2.10 Others
U6100 also provides some other interfaces listed in Table 2-16.
Table 2-16 Other interfaces by U6100
Pins of
SN. of 60Pin board to
Description
board to board connector
board connector
SLIC_INT
43
Interrupt signal of peripheral device
SLIC_RESET
41
Reset signal of peripheral device
KPD_PWR_N
52
Power on key
EXT_RST_IN
53
Reset signal of U6100 module
HKADC
28
External ADC input
VREG_MSMP
45
VREG_MSMP voltage output, +2.6V
VCOIN
51
Backup battery power supply
PWM_OUT
49
input
PWM output
1） U6100 provides PWM signal output from PWM_OUT pin of the board to board connector.
2） U6100 provides power supply output named VREG_MSMP, with value of +2.6V and Max current value of
100mA.
3） U6100 provides power supply input pin named VCOIN for backup battery. The anode of the battery connects to
VCOIN, and the cathode connects to ground. The backup battery will provide power supply for the real time clock,
Crystal Oscillator Circuit and SMPL timer while U6100 powered off. And the battery will be charged while U6100
powered on. The voltage offered by battery must be less than 3.6V. To keep the SMPL timer working while sudden
momentary power losing, a backup capacitor connected to VCOIN can be used besides battery. The correlativity
between the capacitance and the holding time is listed in Table 2-17.
Table 2-17 Correlativity between the capacitance and holding time
The capacitance
The Packaging (X5R)
The holding time
1.5uF
0805
0.5
3.3uF
0805
1.0
4.7uF
0805
1.5
6.8uF
1206
2.0
(s)
4） KPD_PWR_N is used as power on for U6100 module. U6100 will be power on when connect KPD_PWR_N to
ground. It’s better to use a switch button to connected with KPD_PWR_N and ground, so the module can be power
Page 21 of 31
on/off by pressing the switch button. It’s recommended to use ESD protection device close to the switch button.
5） EXT_RST_IN is used as reset signal for U6100 module. U6100 will be reset when connect EXT_RST_IN to
ground. It’s better to use a switch button connected to EXT_RST_IN and ground, so the module can be reset by
pressing the switch button. It’s recommended to use ESD protection device close to the switch button.
6） U6100 provides HKADC which can be used to measure some external analog signal, such as battery voltage,
temperature and so on. The voltage input range of the HKADC is : 0～2.6V。
7） SLIC_INT and SLIC_RESET are the signals for peripheral device. SLIC_INT is for interrupt, SLIC_RESET is for
reset.
3. U6100 key features
The U6100 module has features such as internet access, SMS, start-up mode switching, and extended mass memory.
The features are described in following sections. For detail information about AT commands, please make refers to the
related documents.
3.1 Internet access
AT commands can be used for querying/setting the network band, selecting network mode, setting the network search
mode, setting register mode, querying network signal strength, setting APN and so on. The related AT commands are
listed as follows:
·Network Band Set: AT+ BNDPRF =, 
·Network Band Query: AT+BNDPRF?
·Network Mode Set: AT+MODODR=
·Network Mode Query: AT+MODODR?
·SIM LOCK status: AT+NWLCK?
·Network Mode Service Query: AT+MODPRF?
·Network Query: AT+PSRAT
·PIN and PUK Remain Times Query: AT+CPNNUM
·APN Set: AT+CGDCONT=1,"IP","CMNET"
·Dial up Access: ATDT*99***1#
·Network Disconnecting: ATH
The users need to use PPP protocol for internet access besides AT commands. The PPP protocol can be provided by
Page 22 of 31
customers or API functions offered by OS, such as the RasDial function in Windows OS.
DWORD RasDial(
L P R A S D I A L E X T E N S I O N S dialExtensions,
L P T S T R phoneBookPath,
L P R A S D I A L P A R A M S rasDialParam,
D W O R D NotifierType,
L P V O I D notifier,
L P H R A S C O N N pRasConn
):
3.2 SMS
The SMS feature is implemented by AT commands. You can set the service center address, switch message format,
enable/disable receiving message report, delete message, preview message, receive/send message and so on.
The related AT commands are listed as follow:
·New Message Indication: AT+CNMI
·Message Send: AT+CMGS
·Message Preview: AT+CMGPR
·Message Delete: AT+CMGD
·Message format Switch: AT+CMGF
·Service Center Address Set: AT+CSCA
·Receiving Message Report enable/disable: AT+CNMI=2,1,0,1,0
3.3 start-up mode switching
The U6100 module supports start-up mode switch between USB Disk start-up and Modem start-up, mode switch
between Read-Only and Read-Write, mode switch between USB Disk function and Modem function.
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The related AT commands are listed as follows:
·Set USB Disk start-up mode: AT+BOOTDEV=0
·Set Modem start-up mode: AT+BOOTDEV=1
·Set Read-Only mode: AT+FILEMODE=1
·Set Read-Write mode: AT+FILEMODE=0
·Switch from Modem mode to USB Disk mode: AT+DEVCHG
3.4 Extended Mass Memory
The U6100 module supports T-Flash card as extended mass memory device. The Max capability is 32GB.
4. Application Illustration
4.1 Dial-up procedure
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT+CPIN?
READY
AT+CPNNUM
PIN1=3; PUK1=10; PIN2=0; PUK2=8
AT+NWLCK?
+NWLCK: NETWORK UNLOCKED
AT+CIMI
Get IMSI
460020177608847
IMSI, by which APN is selected
AT+CGDCONT=1,"IP","CMNET"
Set APN
10
OK
11
ATDT*99***1#
12
AT Command/Respond
Explain
SIM card querying
PIN And PUK querying
SIM LOCK querying
Dial-up
PPP protocol
Page 24 of 31
4.2 SMS
4.2.1 Message Format
U6100 supports two kinds of message format, PDU and TEXT which can be set by AT command AT+CMGF,
AT+CMGF=0 means PDU format, and AT+CMGF=1 means TEXT format.
4.2.2 Set Message Storage Location
The command AT+CPMS=,, is used to set message storage location.
, ,  can be set as SM and ME, SM means SIM card，ME means the U6100 module.
: The parameter set here means memory storage used as read and delete message function. It can be operated
by the followed AT commands: AT+CMGL, AT+CMGR and AT+CMGD;
: The parameter set here means memory storage used as writing and send message function. It can be operated
by the followed AT commands: AT+CMSS and AT+CMGW;
: Received messages will be storage in this memory if routing to PC is not set;
Response:
If no error:
+CPMS:,,,,,
OK
 Number of messages currently storage in 
 Number of message capacity of 
If error:
+CMS ERROR:
The command AT+CPMS? is used to display the remained capacity of memory.
AT+CPMS?
Response:
If no error:
+CPMS:,,,,,,,, OK
If error:
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+CMS ERROR
4.2.3 PDU Format
Sending:
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT Command/Respond
AT+CSCS=" UCS2"
OK
AT+CMGF=0
OK
AT+CMGS=26
Explain
Select TE character set
Select message PDU format
Send message
0011000D91683198916718F30000000CC8329BFD0
65DDF72363904

+CMGS: 2
Send successfully
OK
Writing message to memory：
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT Command/Respond
AT+CMGW=26>
Explain
Write a message
0011000D91683198916718F30000000CC8329BFD0
65DDF72363904

+CMGW: 6
Memory location index 6 of the stored
OK
message is returned.
Receiving message:
+CMTI: "SM",0
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Means new received message in the memory located from index 0.
Reading message：
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT Command/Respond
AT+CMGR=0
Explain
Read message has been received in the
memory location index 0
+CMGR: 0,,24
Read successfully
0891683108200905F0240D91683198916718F3000
880509111258023047A7A8C03
OK
Deleting message:
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT Command/Respond
AT+CMGD=0
Explain
Delete message from preferred memory
location index 0.
OK
Delete successfully
4.2.4 TEXT Format
Sending:
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100..
SN.
Type
AT Command/Respond
AT+CSCS=" GSM"
OK
AT+CMGF=1
OK
AT+CMGS="13572034257"
Explain
Select TE character set
Select message TXT format
Send message
> 1233455664788666555
Page 27 of 31

+CMGS: 4
Send successfully
OK
Writing message to memory：
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100..
SN.
Type
AT Command/Respond
AT+CMGW="13572034257"
Explain
Write a message
> 11111114

+CMGW: 8
Memory location index 8 of the stored
OK
message is returned.
Receiving message:
+CMTI: "SM",1
Means new received message in the SIM card located index is 1.
Reading message：
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100.
SN.
Type
AT Command/Respond
AT+CMGR=8
Explain
Read message has been received in the
memory location index 8
+CMGR: 0,,24
Read successfully
+CMGR: "STO UNSENT","13572034257",
11111114
OK
Deleting message:
The type “S” means the AT Command sent to U6100, and the type “R” means Respond from U6100. The type “S”
means the AT Command sent to U6100, and the type “R” means Respond from U6100.
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SN.
Type
AT Command/Respond
AT+CMGD=8
Explain
Delete message from preferred memory
location index 8.
OK
Delete successfully
4.2.5 SMS Service Center Address Setting
The user can set the SMS service center address, TP-Validity-Period and SMS Data Coding Mode.
SN.
Type
AT Command/Respond
AT+CSCA=”+8613800201500”,145
Explain
Set the SMS service center address, and the
address will be kept in SIM card.
OK
AT+CSMP=17,167,0,8
Set the TP-Validity-Period as 167 （ 24
hours) ,and the SMS Data Coding Mode as
UCS2
OK
Remark:
1)
TP-MTI supports SMS-DELIVER, SMS-SUBMIT and SMS-STATUS-REPORT, while not support SMSDELIVER-REPORT, SMS-SUBMIT-REPORT and SMS-COMMAND.
2)
TP-PID is 0 by default while TPDU is sending or saving.
3)
The Min. length of  is 8 and the Max. length of  is 164 while TPDU is sending or saving,.
4)
The parameter  can only be 2 for the command AT+CMGW.
5)
In TEXT Format, the parameter  can be 17 and 49, the parameter  can only be 0, the parameter
 can be 0~31 and the parameter  can be 0~255 for AT+CSMP command
6)
In TEXT Format, the parameter  can only be ”STO UNSENT” for the command AT+CMGW
4.3 Start-up Mode Switching
In Modem mode, the command AT+BOOTDEV=? can be used for querying the current start-up mode. The response
value “0” means USB Disk start-up mode, and the value “1” means Modem start-up mode.
If user wants to switch the mode from USB Disk start-up to Modem start-up, a special SCSI command whose code is
0xFF and length is 1, needs to send to the module. It can be sent by CreateFile and DeviceIoControl for windows OS.
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If user wants to switch the mode from Modem start-up to USB Disk start-up，the AT command AT+BOOTDEV=0
needs to send to the module. When the module is restart it will be changed to USB Disk start-up mode.
In the Modem mode, the AT command AT+DEVCHG will change the device to be a USB Disk directly.
In USB Disk mode, the USB Disk is a read-only device by default. If user wants to change the module to be read-write,
it needs to switch to modem mode firstly, then use AT commands AT+FILEMODE=0 and AT+DEVCHG. The module
will be read-only again after restart.
Appendix：Mechanical dimensions of U6100
The following are Mechanical dimensions of U6100 bottom view, side view and top view. (Unit: mm)
Bottom View
Side View
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Top View
FCC Regulations:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiated radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user‘s
authority to operate the equipment.
4RF Exposure Information
This Modular Approval is limited to OEM installation for mobile and fixed applications only. The antenna installation
and operating configurations of this transmitter, including any applicable source-based time-averaging duty factor,
antenna gain and cable loss must satisfy MPE categorical Exclusion Requirements of §2.1091.
The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all
persons, must not be collocated or operating in conjunction with any other antenna or transmitter, except in accordance
with FCC multi-transmitter product procedures.
The end user has no manual instructions to remove or install the device and a separate approval is required for all other
operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations.
Maximum antenna gain allowed for use with this device is 2.5dBi.
When the module is installed in the host device, the FCC ID label must be visible through a window on the final device
or it must be visible when an access panel, door or cover is easily re-moved. If not, a second label must be placed on
the outside of the final device that contains the following text: “Contains FCC ID: WH7U6100 ”.
Page 31 of 31

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