Skylab M&C Technology Co., Ltd 802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet Model SKW78 1 / 16 SKW78-DA-001,A/1 SKW78 4x4 MIMO WLAN Module Datasheet Name: 802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Model No.: SKW78 Revision: V1.02 Revision History Revision Description Approved Date V1.01 Initial Release George He 20160222 V1.02 Update certification information George He 20170831
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Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
1 / 16 SKW78-DA-001,A/1
SKW78 4x4 MIMO WLAN
Module Datasheet
Name: 802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module
Model No.: SKW78
Revision: V1.02
Revision History
Revision Description Approved Date
V1.01 Initial Release George He 20160222
V1.02 Update certification information George He 20170831
Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
2 / 16 SKW78-DA-001,A/1
Contents
1. General Description ...............................................................................................................................................3
3. Features .................................................................................................................................................................3
UART lite for debug ............................................................................................................................................7
11. Contact Information ...........................................................................................................................................16
Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
3 / 16 SKW78-DA-001,A/1
1. General Description
The SKW78 module compliant to 802.11
a/b/g/n/ac Wi-Fi Solution, It integrates a
dual-core MIPS1004Kc (880MHz), 3-port GbE
switch, USB2.0, SD-XC. The module is suitable
for 802.11ac, LTE cat4/5, edge, hotspot, VPN,
AC (Access Control). For consumer electronic
devices, the module requires only an external
3.3V power supply.
The module integrates a 2.4GHz 2x2 MIMO
WLAN chip with internal PA and LNA and
integrates a 5GHz 2x2 MIMO WLAN chip with
internal PA and LNA. It supports 2.4GHz
operations up to 144 Mbps for 20 MHz and 300
Mbps for 40 MHz channel respectively, and
supports 5GHz operations up to 866 Mbps for
80 MHz channel respectively.
The module support Bridge mode and AP/
Client mode and Gateway mode.
2. Applications
◆ AP WiFi
◆ 802.11ac Router
◆ VPN
◆ 3G/4G Wi-Fi Router
◆ WiFi AP Client
◆ Hotspot
◆ Home Security Gateway
◆ Internet Service Router
Figure 1: SKW78 Top View
3. Features
◆IEEE 802.11 a/b/g/n and 802.11ac draft
compliant.
◆Dual-band 4T4R mode with data rate up to
1167Mbps.
◆2.4G band 2T2R Mode with support for a
300Mbps TX/RX PHY rate.
◆5G band 2T2R Mode with support for a
867Mbps TX/RX PHY rate.
◆ DDR3 memory up to 1024Mb.
◆ Flash memory up to 128Mb.
◆ 2 LAN ports and 1 WAN port with 1000Mbps
PHY.
◆ Firmware: Linux 2.6 SDK, OpenWRT
◆ Support WAN/LAN/USB/I2C/I2S/SD
interfaces.
◆ Support 20MHz, 40MHz, 80MHz bandwidth.
◆ Security: WEP64/128, TKIP, AES, WPA,
WPA2, WAPI.
◆ Support AP/Client/Router mode.
◆ RoHS compliance meets
environment-friendly requirement.
◆ FCC,CE compliance.
◆ 71-pin header.
◆ 75.0mm(L) x 52.3mm(W) x 9.0mm(H)
dimension.
Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
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4. Application Block Diagram
Figure 2: SKW78 Block Diagram
5. Interfaces
USB2.0 Host
The USB interface support USB slave devices for USB disk and USB 3G/4G dongle and USB
camera.
Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
5 / 16 SKW78-DA-001,A/1
I2C Interface
Below is the I2C interface timing.
Figure 3: I2C Timing
I2S Interface
SKW78 Pin Number SKW78 Pin Name GPIO I2S UART3
50 I2S_CLK GPIO#6 I2S_CLK CTS3
51 I2S_WS GPIO#7 I2S_WS TXD3
52 I2S_SDI GPIO#8 I2S_SDI RXD3
53 I2S_SDO GPIO#5 I2S_SDO RTS3
Table5-1: I2S/UART3 pin share scheme
Note: Controlled by the UART3_MODE register.
Skylab M&C Technology Co., Ltd
802.11b/g/n/ac 4x4 MIMO WiFi AP/Router Module Datasheet
Model SKW78
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Figure 4: I2S Timing
Symbol Description Min Max Unit
t_I2S_IS Setup Time for I2S input(data & WS) 3.5 ns
t_I2S_IH Hold Time for I2S input(data & WS) 0.5 ns