Daviscomms DC3500 GSM/GPRS Module User Manual

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Document ID	1198148
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Date Submitted	2009-11-12 00:00:00
Date Available	2009-11-12 00:00:00
Creation Date	2008-06-11 14:20:56
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iSR3500 Series
GSM / GPRS Module
Pre-Release Rev 0.3
2008. 03. 28
Sirius Mobility
31 International Business Park
#02-05 Creative Resource Bldg,
Singapore 609921
www.sirius-mobility.com
email: sales@i-sirius.com.sg
Mobile Solutions
1 Introduction
1.1
General Description
iSR3500 series is a product line of single-module platform optimized for
ultra low cost GSM/GPRS modem and generic mobile applications. It
integrates all the functions necessary for a dual-band GSM/GPRS wireless
communication, including baseband, mixed signal, power amplifier, power
management, RF transceiver, front-end switch and memory in a single
monolithic module with board-to-board connector
The highly integrated module is ideal for application requiring GSM, and is
capable of working on 2-layer motherboard with no further RF calibration
required.
26.8 x 28.0 x 2.8
1.2
Key Features
GSM or GPRS Dual Band
Protocol Stack
Speech Codec
Security
Messaging
Browsing
Text Input
Output Power
Supply Voltage
Power consumption
GSM Sensitivity
LCD feature
Clock
Interface
Communication
ADC
Headset hook detection
Audio
LED backlight
Debug
Charging
Vibrator
Keypad Support
iSR3500 Series
900/1800 MHz or 850/1900 MHz,
GSM Rel.97. STK Rel.99
GPRS Rel4.0 Class 10
EFR / FR / HR / AMR
Hardware support for IMEI, SIM-Lock, Flash Software Protection and
Secure Boot
SMS concatenated
EMS, Smart messaging (GPRS)
CSD, Jataayu WAP 1.2 (GPRS)
T9 and/or Z8 library word recognition
Class 4 (2W) at 850/900 MHz
Class 1 (1W) at 1800/1900 MHz
3.4V ~ 4.2V, Nominal : 3.7V
Power off < 200uA
Idle mode < 4mA
-110 dBm (typ) at 850/900 MHz
-109 dBm (typ) at 1800/1900 MHz
up to 96x64
FSTN (iSR3516)
up to 128x128
FSTN (iSR3532)
up to 160x128
65K CSTN (iSR353204)
26MHz reference clock
26MHz for MCU sub-system
78MHz for DSP
8 bit parallel interface
SSC / SPI interface
I2C Bus
UART
Extendable AT Commands (GPRS)
1 open ADC
1 ADC (TBAT) is reserved for battery temperature monitoring
Analog audio for ring tone (balanced and unbalanced)
Analog audio for receiver (balanced and unbalanced)
Balanced analog microphone interface
Unbalanced external microphone interface for headset
White LED buck-booster embedded, requires only external FET and diode
for switching
JTAG support
Pulse charging support for both Ni-MH and Li-ion battery
Support Vibrator control output
6 x 4 key inputs
2 / 11
Pre-rev 0.3
Mobile Solutions
1.3
Ordering Information
iSR35-


= GSM band option, E or U

= memory option, 16, 32, 3204, 3208 or 6416
please note that other RAM configuration will be incorporated in the future

= b2b connector size option, C1, C2 or C3

= packaging option, R or T
1.4
Product part number
iSR35E16
GSM 900/1800MHz band,
16Mbit Flash
iSR35E32
GSM 900/1800MHz band,
32Mbit Flash
iSR35E3204
GSM 900/1800MHz band,
32Mbit Flash + 4Mbit static RAM
iSR35E3208
GPRS 900/1800MHz band,
32Mbit Flash + 8Mbit static RAM
iSR35E6416
GPRS 900/1800MHz band,
64Mbit Flash + 16Mbit static RAM
iSR35U16
GSM 850/1900MHz band,
16Mbit Flash
iSR35U32
GSM 850/1900MHz band,
32Mbit Flash
iSR35U3204
GSM 850/1900MHz band,
32Mbit Flash + 4Mbit static RAM
iSR35U3208
GPRS 850/1900MHz band,
32Mbit Flash + 8Mbit static RAM
iSR35U6416
GPRS 850/1900MHz band,
64Mbit Flash + 16Mbit static RAM
Connector Option
C1 = 34 pins
C2 = 60 pins
C3 = 80 pins
2 Electrical Specification
2.1
Absolute Maximum Rating
The maximum rating may not be exceeded under any circumstances as permanent damage to the module will result
2.2
Limit Values
Parameter
Pin
Battery Supply
Output Load VSWR
Storage Temperature
ESD
Digital I/O sink current
Digital I/O Level
Vbat1, Vbat2, Vbat3
ANT
Minimum
Unit
Maximum
-0.15
- +5.5
+150
1000
20
3.6
˚C
mA
10:1
-55
Electrical Characteristics
At operating Temperature: -20˚C ~ 60˚C
Parameter
Pin
Min.
Typ.
Max
Unit
Battery Power supply
Charger Detection Voltage
Vbat1,Vbat2,Vbat3
CDT
3.4
3.8
4.2
2.5
iSR3500 Series
3 / 11
Pre-rev 0.3
Mobile Solutions
Battery charging protection voltage
Supported Battery Voltage for charging
VSIM
VIO Voltage
VIO Output current
VDDP_MEM Domain
VRTC Voltage
VRTC Output Current
VSIM Voltage
VSIM Output Current
VMIC
Digital I/O range
Digital I/O Low level
Digital I/O High level
Audio
Receiver Max differential Output
Headset Max single-ended output
Receiver Output Load resistance
Headset Output Load resistance
Ringer Output Load resistance
ADC Input Voltage
(External input voltage case)
2.3
Vbat1,Vbat2,Vbat3
Ni-MH
Li-ion
4.47 / 5.5
VIO,VDDP_IO
IVIO
VDDP_MEM
VRTC,VDDP_RTC
VSIM
IVSIM
VMIC
GPIO,
VI/OL
VI/OH
3.1
3.1
-3%
-3%
1.8/2.85
2.85
-3%
1.86
2.85
-3%
1.8/2.85
-0.3
-0.2
2.55
EPP1,EPN1
EPPA
EPP1,EPN1
EPPA
LOUD1,LOUD2
3.3
1.65
2.2
2.85
2.85V
3.7
1.85
16
32
TBAT,ADC1
5.1
4.2
+3%
+3%
30
+3%
2.14
+3%
30
0.3
mA
mA
mA
4.1
2.05
Vpp
Vpp
Ω
Ω
Ω
2.4
GSM 850 Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter
Frequency
Maximum Output Power
2nd Harmonic
3rd Harmonic
All other harmonics up to 13 GHz
Sensitivity
Off current
Idle current
Traffic mode current
2.4
Conditions
Min.
Typ.
Nominal conditions
824
32.5
Pout≤33dBm
Max.
Unit
849
33
MHz
dBm
-40
dBm
150
2.5
250
dBm
uA
mA
mA
-108
Average at DRX=5
GSM 900 Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter
Frequency
Maximum Output Power
2nd Harmonic
3rd Harmonic
All other harmonics up to 13 GHz
Sensitivity
Off current
Idle current
Traffic mode current
iSR3500 Series
Conditions
Min.
Typ.
Nominal conditions
880
32.5
Pout≤33dBm
Max.
Unit
915
33
MHz
dBm
-40
dBm
150
2.5
250
dBm
uA
mA
mA
-106
Average at DRX=5
4 / 11
Pre-rev 0.3
Mobile Solutions
2.5
DCS Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter
Frequency
Maximum Output Power
2nd Harmonic
3rd Harmonic
All other harmonics up to 13 GHz
Sensitivity
Off current
Idle current
Traffic mode current
2.6
Conditions
Min.
Typ.
1710
Max.
Unit
1880
Nominal conditions
30
MHz
dBm
Pout≤33dBm
-40
dBm
150
2.5
250
dBm
uA
mA
mA
-106
Average at DRX=5
PCS Electrical characteristics
Nominal Conditions (unless otherwise specified): Vbatt=3.8V Ta=25˚C
Parameter
Frequency
Maximum Output Power
2nd Harmonic
3rd Harmonic
All other harmonics up to 13 GHz
Sensitivity
Off current
Idle current
Traffic mode current
Conditions
Min.
Typ.
1850
Max.
Unit
1990
Nominal conditions
30
MHz
dBm
Pout≤33dBm
-40
dBm
150
2.5
250
dBm
uA
mA
mA
-108
Average at DRX=5
3 Pin Diagram
Pin numbering from top view of module
iSR3500 Series
5 / 11
Pre-rev 0.3
Mobile Solutions
4 iSR35xx Module Pin description
Pin#
Name
Description
Dir
Category
GPIO
Supply Domain
VIO
VDDP_IO
GND
GND
Power supply
VBAT
Vbatt for PMU
Power supply
VBAT
VBAT
Vbatt for PMU
Power supply
VBAT
SIM Card
VDDP_SIM
GND
GND
11
VSIM
VDD SIM
13
SIM_IO
SIM Data
I/O
SIM Card
VDDP_SIM
15
SIM_CLK
SIM Clock
SIM Card
VDDP_SIM
17
SIM_RST
SIM Reset
SIM Card
19
CTS_n
UART
GPIO 13
21
RTS_n
UART
GPIO 12
23
ADC
Clear To Send
Headset Detection (mobile), or
Request To Send (modem)
ADC
25
VRTC
VRTC
27
RESET_n
RESET/
I/O
Peripheral interface
29
RST_OUT
Reset Out
31
EXT_INT
External Interrupt
I/O
GPIO
33
GND
GND
35
LOUD2
Loud Speaker N
Speaker
LBUF
37
LOUD1
Loud Speaker P
Speaker
LBUF
39
EPPA
External earpiece
Speaker
VDDA_ VANA
41
EPN1
Earpiece N
Speaker
43
EPP1
Earpiece P
Speaker
45
SSC0_ MRST
SSC0 MRST
I/O
SSC
GPIO 15
VDDP_IO
47
SSC0_ CLK
SSC0 CLK
I/O
SSC
GPIO 14
VDDP_IO
49
SSC0_ MTSR
SSC0 MTSR
I/O
SSC
GPIO 16
VDDP_IO
VDDP_SIM
VDDP_IO
Power supply
VDDP_RTC
GPIO 32
VDDP_IO
GPIO 33
VDDP_IO
51
I2C_SDA
I2C Data
I/O
I2C
GPIO 19
VDDP_IO
53
I2C_CLK
I2C Clock
I/O
I2C
GPIO 18
VDDP_IO
55
CLK_32K
Clock 32K Output
GPIO
GPIO 28
VDDP_IO
57
CLK_26M
Clock 26M Output
GPIO
GPIO 30
VDDP_IO
59
W_LED_FBP
White LED feedback P
white LED
61
GND
GND
63
D0
Data 0
I/O
Data
VDDP_ MEM
65
D1
Data 1
I/O
Data
VDDP_ MEM
67
D2
Data 2
I/O
Data
VDDP_ MEM
69
D3
Data 3
I/O
Data
VDDP_ MEM
71
D4
Data 4
I/O
Data
VDDP_ MEM
73
D5
Data 5
I/O
Data
VDDP_ MEM
75
D6
Data 6
I/O
Data
VDDP_ MEM
77
D7
Data 7
I/O
Data
VDDP_ MEM
79
A1
Address 1
Peripheral interface
VDDP_ MEM
iSR3500 Series
6 / 11
Pre-rev 0.3
Mobile Solutions
Pin#
Name
Description
Dir
Category
GPIO
Supply Domain
RXD
RX Data
I/O
UART
GPIO 10
VDDP_IO
TXD
TX Data
UART
GPIO 11
VDDP_IO
ON
Switch On
DSR
Data Set Ready
UART
GPIO 20
VDDP_IO
10
NMI_n
Non-Maskable Interrupt
Interrupt
GPIO 38
VDDP_IO
12
DTR
UART
GPIO 37
VDDP_IO
14
VIB_CTRL / RI
I/O
GPIO
GPIO 36
VDDP_IO
16
KEYPAD_LED
GPIO
GPIO 35
VDDP_IO
18
GND
Data Terminal Ready
Vibrator control (mobile)
Ring Indicator (modem)
Keypad LED control (mobile)
HS_DET (modem)
GND
20
GND
GND
22
VBAT1
Vbatt for PA
24
VBAT1
Vbatt for PA
26
VBAT1
Vbatt for PA
28
VBAT1
Vbatt for PA
30
VBAT1
Vbatt for PA
32
GND
DCD /
W_LED_DRV
GND
White LED DRV (mobile)
Data Carrier Detect (modem)
GPIO White LED
GPIO 34
VDDP_IO
EXT_ MIC
External Mic
MIC
38
MICP1
MIC P
MIC
VDDA_ VBT
40
MICN1
MIC N
MIC
VDDA_ VBT
42
VMIC
MIC Bias
MIC Power supply
VDDA_ VBT
44
TBAT
Battery Temperature
34
36
46
DISP_ REST
Display Reset
48
CDT
Charger Detect
GPIO 17
VDDP_IO
50
CS
Charger Switch
52
CS2_n
Chip select 2 (CS2/)
Peripheral interface
GPIO 24
VDDP_ MEM
54
CS3_n
Chip select 3 (CS3/)
56
RD_n
READ/
Peripheral interface
GPIO 39
VDDP_ MEM
Peripheral interface
58
WR_n
Write/
60
W_LED_FBN
White LED feedback N
White LED
62
KEYIN0
Keypad Input 0
64
KEYIN1
Keypad Input 1
Keypad
GPIO 6
VDDP_IO
Keypad
GPIO 7
VDDP_IO
66
KEYIN2
Keypad Input 2
68
KEYIN3
Keypad Input 3
Keypad
GPIO 8
VDDP_IO
Keypad
GPIO 9
VDDP_IO
70
KEYOUT0
72
KEYOUT1
Keypad Out 0
Keypad
GPIO 0
VDDP_IO
Keypad Out 1
Keypad
GPIO 1
VDDP_IO
74
76
KEYOUT2
Keypad Out 2
Keypad
GPIO 2
VDDP_IO
KEYOUT3
Keypad Out 3
Keypad
GPIO 3
VDDP_IO
78
KEYOUT4
Keypad Out 4
Keypad
GPIO 4
VDDP_IO
80
KEYOUT5
Keypad Out 5
I/O
Keypad
GPIO 5
VDDP_IO
iSR3500 Series
VDDP_RTC
Display
Charger
Charger
Peripheral interface
7 / 11
Pre-rev 0.3
Mobile Solutions
5 iSR35xx Module GPIO Pins and Function
Pin#
Name
Description
19
CTS_n
Clear to Send
21
RTS_n
Request to Send
GPIO13
Supply
Domain
VDDP_IO
Reset
Value
T/PU
GPIO12
VDDP_IO
GPIO or RTS function
GPIO
GPIO guide
GPIO or CTR function
29
RST_OUT
Reset Out
GPIO32
VDDP_IO
T/PD
Can be used for GPIO
31
EXT_INT
Ext. Interrupt
GPIO33
VDDP_IO
T/PD
Can be used for GPIO
45
SSC0_ MRST
SSC0_ MRST
GPIO15
VDDP_IO
GPIO or SSCO / SPI function
47
SSC0_ CLK
SSC0_ CLK
GPIO14
VDDP_IO
GPIO or SSCO / SPI function
49
SSC0_ MTSR
SSC0_ MTSR
GPIO16
VDDP_IO
GPIO or SSCO / SPI function
51
I2C_SDA
I2C Data
GPIO19
VDDP_IO
T/OD
GPIO or I2C function
53
I2C_CLK
I2C Clock
GPIO18
VDDP_IO
T/OD
GPIO or I2C function
55
CLK_32K
Clock 32K
GPIO28
VDDP_IO
T/PU
GPIO or 32Khz clock output
57
CLK_26M
Clock output
GPIO30
VDDP_IO
T/PD
GPIO or 26Mhz clock output
RXD
RX Data
GPIO10
VDDP_ IO
Reserved for UART
TXD
TX Data
GPIO11
VDDP_IO
Reserved for UART
DSR
Data Set Ready
GPIO20
VDDP_IO
T/PD
GPIO or DSR function
10
NMI_n
Non-maskable Int.
GPIO38
VDDP_IO
T/PU
Reserved for NMI function
12
DTR
Data Terminal Ready
GPIO37
VDDP_IO
T/PD
GPIO or DTR function
14
RI / VIB_ CTRL
Vibrator control
GPIO36
VDDP_IO
T/PD
GPIO or Ring Indicator
16
Keypad LED
Data Carrier Det.
White LED DRV
Display Reset
GPIO35
VDDP_IO
T/PD
GPIO or Keypad LED
GPIO34
VDDP_IO
T/PD
GPIO or Data Carrier Detect
46
KEYPAD_LED
DCD /
W_LED_DRV
DISP_ REST
GPIO17
VDDP_IO
Reserved for LCD Reset
52
CS2n
Chip select2
GPIO24
VDDP_MEM
T/PU
GPIO or Chip Select
54
CS3n
Chip select3
GPIO39
VDDP_MEM
T/PU
GPIO or Chip Select
62
KEYIN0
Keypad Input
GPIO 6
VDDP_IO
GPIO or Keypad
64
KEYIN1
Keypad Input
GPIO 7
VDDP_IO
GPIO or Keypad
66
KEYIN2
Keypad Input
GPIO 8
VDDP_IO
GPIO or Keypad
68
KEYIN3
Keypad In
GPIO 9
VDDP_ IO
GPIO or Keypad
70
KEYOUT0
Keypad Out
GPIO 0
VDDP_IO
GPIO or Keypad
72
KEYOUT1
Keypad Out
GPIO 1
VDDP_IO
GPIO or Keypad
74
KEYOUT2
Keypad Out
GPIO 2
VDDP_IO
GPIO or Keypad
76
KEYOUT3
Keypad Out
GPIO 3
VDDP_IO
GPIO or Keypad
78
KEYOUT4
Keypad Out
GPIO 4
VDDP_IO
GPIO or Keypad
80
KEYOUT5
Keypad Out
GPIO 5
VDDP_IO
GPIO or Keypad
34
6 iSR35xx Module Test Points on the Bottom
The following test points are available at the bottom centre (refer to 9.2) for JTAG debug (labels are marked on PCB):
VIO
TDI
TDO
TCK
TRST_n
TMS
For factory test purpose, the following signals are made available at the back of the module (refer to 9.2):
RTS_n
CTS_n
iSR3500 Series
TXD
RXD
VRTC ON
VBAT
8 / 11
VBAT1
GND
Pre-rev 0.3
Mobile Solutions
7 Application as GSM modem with host processor
Baseband On
TxD
RxD
Host
Processor
Intrr
ANT
Switch On
Baseband Reset
Reset/
UART RxTx
RxD
TxD
UART Handshake
CTS
RTS
Device Ready
DSR
DTR
RING0
iSR35xx
RI (Ring Inidcator)
SIM
Card
USB Detect
NMI
SD card Detect
etc
Refer to Design Guide for Industrial Applications for more detailed reference design.
8 Packaging Information
8.1
Tray (Option T)
(Dimensions to be finalized)
8.2
Tape and Reel (option R)
(Dimensions to be finalized)
iSR3500 Series
9 / 11
Pre-rev 0.3
Mobile Solutions
9 Module Dimension (mm)
9.1
Physical size
※ iSR3500 GSM/GPRS Module weight approx 2.4 gram
9.2
Mechanical Dimension
9.3
Board-to-Board Connector
The module uses Panasonic narrow pitch (0.5mm) connector AXK6F34347YG (34pin header), AXK6F60347YG
(60pin header) or AXK6F80347YG (80pin header). They have the mated height 1.5mm and 2.0mm, without
positioning bosses.
Note: The recommended socket connectors on user’s mother board are AXK5F34547YG, AXK5F60547YG and
AXK5F80547YG respectively.
iSR3500 Series
10 / 11
Pre-rev 0.3
Mobile Solutions
10 Reflow temperature profile
iSR3500 Series
11 / 11
Pre-rev 0.3
User’s Information
----
Additional information
Cautions
Modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
FCC compliance Information
This device complies with part 15 of 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.
Information to User
This equipment 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 radiate 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.
NOTE: Required Minimum distance between antenna and the user is 20cm.
The FCC requires that a label must be placed on the outside of the final product stating:
“Contains FCC ID: VDQDC3500” depending of the module to be integrated.

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