Skylab M and C Technology SKW92 WiFi Module User Manual SKW92

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Date Submitted	2017-07-24 00:00:00
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Creation Date	2017-07-18 19:33:48
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Skylab M&C Technology Co., Ltd.
SKW92-User Manual
SKW92 User Manual
General Description
The module SKW92 compliant to 802.11 b/g/n Wi-Fi Solution for low power,
low-cost, and highly integrated AP and consumer electronic devices, the module
requiring only a external 3.3V power supply .
The module based on the single chip MT7628NNwhich integrates an 802.11n
MAC/BB/radio with internal PA and LNA. It supports 802.11n operations up to 144
Mbps for 20 MHz and 300 Mbps for 40 MHz channel respectively, and IEEE
802.11b/g data rates.
The SKW92 module includes an 802.11n MAC and baseband, a 2.4GH z radio and FEM, a
580MHz MIPS CPU, a 5-port 10/100 fast Ethernet switch. Solution for low power, low-cost, and
consumer electronic devices, the module requires only an external 3.3V power supply. It supports
802.11n operating up to 144 Mbps for 20 MHz and 300 Mbps for 40 MHz channel respectively, and
IEEE 802.11b/g data rates.
The module supports bridge mode and AP Client mode and Gateway mode. The high performance
Module can process advanced applications effortlessly, such as security and VoIP. It also includes a
selection of interface to support a variety of applications, such as a USB port for accessing external
storage and 3G/TLE modem. Especially in the IOT, a wide range of applications.
Applications
„
„
„
„
„
„
IP TV
IP DVD(Internet VOD Player)
Set Top Box
Home Gateways
Gaming Consoles
DVR
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Skylab M&C Technology Co., Ltd.
SKW92-User Manual
Features
„
„
„
„
„
„
„
„
„
Compliant to IEEE 802.11b/g/n WLANs
2T2R Mode with support for a 300Mbps TX/RX PHY rate.
DDR2 memory up to 512Mb
Flash memory up to 64Mb
4LAN ports and 1WAN port
Support USB 2.0 host device
Support USB disk.
Security: WEP 64/128, WPA, WPA2, TKIP, AES, WAPI
RoHS compliance meets environment-friendly requirement.
Module Pinout
Figure 1: SKW92 Pin Name
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Skylab M&C Technology Co., Ltd.
SKW92-User Manual
Pin Description
Pin No.
Pin name
Description
Remark
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Skylab M&C Technology Co., Ltd.
SKW92-User Manual
WAN_PORT_RX+
WAN port
WAN_RX+
WAN_PORT_RX-
WAN port
WAN_RX-
WAN_PORT_TX+
WAN port
WAN_TX+
WAN_PORT_TX-
WAN port
WAN_TX-
LAN_PORT1_TX+
Ethernet port1
SPIS_CS / GPIO#14 / PWM0
LAN_PORT1_TX-
Ethernet port1
LAN_PORT1_RX+
Ethernet port1
LAN_PORT1_RX-
Ethernet port1
SPIS_CLK / GPIO#15 / PWM1
SPIS_MISO / GPIO#16 /
UART2 TXD
SPIS_MOSI / GPIO#17 /
UART2 RXD
LAN_PORT2_RX+
Ethernet port2
GPIO#18 / PWM0 / SD_D7
10
LAN_PORT2_RX-
Ethernet port2
11
LAN_PORT2_TX+
Ethernet port2
12
LAN_PORT2_TX-
Ethernet port2
GPIO#19 / PWM1 / SD_D6
GPIO#20 / PWM2 /
UART2 TXD / SD D5
GPIO#21 / PWM3 /
UART2 RXD / SD D4
13
LAN_PORT3_TX+
Ethernet port3
SD_WP / GPIO#22
14
LAN_PORT3_TX-
Ethernet port3
SD_CD / GPIO#23
15
LAN_PORT3_RX+
Ethernet port3
SD_D1 / GPIO#24
16
LAN_PORT3_RX-
Ethernet port3
SD_D0 / GPIO#25
17
GND
Ground
18
USB+
USB data pin Data+
USB_D+
19
USB-
USB data pin Data-
USB_D-
20
GND
Ground
21
LAN_PORT4_RX+
Ethernet port4
SD_CLK / GPIO#26
22
LAN_PORT4_RX-
Ethernet port4
SD_CMD/ GPIO#27
23
LAN_PORT4_TX+
Ethernet port4
SD_D3 / GPIO#28
24
LAN_PORT4_TX-
Ethernet port4
SD_D2 / GPIO#29
25
UART_RXD0
UART0 only for debug
UART0_RX / GPIO#13
26
UART_TXD0
UART0 only for debug
UART0_TX / GPIO#12 / O, IPD
GND
GND
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Skylab M&C Technology Co., Ltd.
27
GND
Ground
SKW92-User Manual
GND
SKW92-UM-001,A/1
Skylab M&C Technology Co., Ltd.
SKW92-User Manual
28
3.3VD
3.3V input 1000mA
+3.3V
29
3.3VD
3.3V input 1000mA
+3.3V
30
GND
Ground
GND
31
P4_LED
LAN_PORT4_LED
P4_LED_N / GPIO#39
32
P3_LED
LAN_PORT3_LED
P3_LED_N / GPIO#40
33
P2_LED
LAN_PORT2_LED
P2_LED_N /GPIO#41
34
P1_LED
LAN_PORT1_LED
P1_LED_N/ GPIO#42
35
P0_LED
WAN_PORT_LED
P0_LED_N / GPIO#43
36
WLED_N
Wireless LED
37
UART_TXD1
UART1
Output
38
UART_RXD1
UART 1 Serial Data Input
39
WDT_RST_N
WPS/Factory
Setting_Button_Key
40
WPS_LED
WPS_LED
41
I2S_DI
I2S data input
I2S_SDI/GPIO#0/PCMDRX
42
I2S_WS
I2S word select
I2S_WS/GPIO#2/PCMCLK
43
I2S_DO
I2S data output
I2S_SDO
/GPIO#1/PCMDTX/IPD
44
I2S_CLK
I2S clock
45
HW_RESET
Power on reset
46
I2C_SD
I2C Data
47
I2C_SCLK
I2C clock
I2C_SCL(PU 2K2)
48
GPIO0
General Purpose I/O
POWER_ON# / GPIO#11/IPD
Serial
WLED_N / GPIO#44
Data
UART1_TXD / GPIO#45 / O,
IPU
UART1_RXD / GPIO#46
WDT_RST_N /I2S_MCLK /
GPIO#38/O, IPU
WPS_LED_N / GPIO#37
I2S_CLK/GPIO#3/PCMFS
HW_RESET_N#
I2C_SDA(PU 2K2) / GPIO#5
/ GPIO#4
PCB Dimensions
SKW92-UM-001,A/1
Skylab M&C Technology Co., Ltd.
SKW92-User Manual
Figure 2: SKW92 Dimensions
Manufacturing Process Recommendations
Figure 3: SKW92Typical Lead-free Soldering Profile
Note：The final soldering temperature chosen at the factory depends on additional external factors like choice
of soldering paste，size，thickness and properties of the baseboard，etc. Exceeding the maximum soldering
temperature in the recommended soldering profile may permanently damage the module.
SKW92-UM-001,A/1
Skylab M&C Technology Co., Ltd.
SKW92-User Manual
Ordering Information
Module No.
Antenna Connector Type
SPI Flash Size
SKW92-UM-001,A/1
Skylab M&C Technology Co., Ltd.
SKW92-User Manual
SKW92_8
IPEX Connector
8M Bytes
SKW92_16
IPEX Connector
16M Bytes
SKW92-UM-001,A/1
Skylab M&C Technology Co., Ltd.
SKW92-User Manual
FCC Statement
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
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
-- Consult the dealer or an experienced radio/TV technician for help
receiver is connected.
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
FCC Caution: Any changes or modification not expressly approved by the party responsible for
compliance could void the user’s authority to operate.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment.
SKW92-UM-001,A/1
SKYLAB M&C Technology Co., Ltd
SKW92-User Manual
Skylab M&C Technology Co., Ltd.
FCC Radiation Exposure Statement
The modular can be installed or integrated in mobile or fix devices only. This modular cannot
be installed in any portable device, for example, USB dongle like transmitters is forbidden.
This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This transmitter must not be collocated or operating in conjunction with any other
antenna or transmitter.
If the FCC identification number is not visible when the module is installed inside another
device, then the outside of the device into which the module is installed must also display a
label referring to the enclosed module.
This exterior label can use wording such as the following:
“Contains Transmitter Module FCC ID:2ACOE-SKW92 Or Contains FCC ID:2ACOE-SKW92''
when the module is installed inside another device, the user manual of this device must
contain below warning statements;
1. 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.
(2) This device must accept any interference received, including interference that may cause
undesired operation.
2. Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
The devices must be installed and used in strict accordance with the manufacturer's
instructions as described in the user documentation that comes with the product.
3. Integrator is responsible for final compliance of the end-product
> > that integrates this modular transmitter.
> > 15B Compliance on final product with integrated modular transmitter
> > 15C Evaluation of RF Parameter of the modular transmitter (e.g.
> > Fundamental, Out-of-Band Emissions)
4. Integration strictly limited to host platform (Wireless Router and similar devices)
5. This module is not shielding.
SKW92-UM-001,A/1
SKYLAB M&C Technology Co., Ltd
SKW92-User Manual
Skylab M&C Technology Co., Ltd.
This device is intended only for OEM integrators under the following
conditions:
1) The antenna must be installed such that 20 cm is maintained between the antenna
and usersc.
2) The transmitter module may not be co‐located with any other transmitter or
antenna.
3) For all products market in United States, OEM has to limit the operation channels in CH1
to CH11 for 2.4G band by supplied firmware programming tool. And OEM shall
not supply any tool or info to the end‐user regarding to change the domain selection.
As long as 3 conditions above are met, further transmitter test will not be required.
However, the OEM integrator is still responsible for testing their end‐product for
any additional compliance requirements required with this module installed (for
example, digital device emissions, PC peripheral requirements, etc.).
IMPORTANT NOTE: In the event that these conditions cannot be met (for
example certain laptop configurations or co‐location with another transmitter), then
the FCC authorization is no longer considered valid and the FCC ID cannot be
used on the final product. In these circumstances, the OEM integrator will be
responsible for re‐evaluating the end product (including the transmitter) and
obtaining a separate FCC authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may
be installed such that 20 cm may be maintained between the antenna and users
The final end product must be labeled in a visible area with the following: “Contains FCC ID:
2ACOE‐SKW92”.
Module Antenna Type: PCB PIN ANT, 1.5dBi gain
SKW92-UM-001,A/1

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