User's Manual

深圳市天工测控技术有限公司 SKW71-User Manual
SKW71-UM-001,A/1
3
1 VDD_3.3V
3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX
3.63V
2 GND Ground
3 GPIO_23 KEY_INPUT, be free for customer defined.
4 WAN_PORT_RX+ Ethernet port
5 I2S_WS(GPIO_19) Word select for stereo
6 WAN_PORT_RX- Ethernet port
7 I2S_MICIN(GPIO_22) I2S Data input
8 WAN_PORT_TX+ Ethernet port
9 I2S_MCK(GPIO_21) Master clock
10 WAN_PORT_TX- Ethernet port
11 I2S_SD(GPIO_20) Serial data input/output
12 LAN_PORT0_RX+ Ethernet port
13 I2S_CK(GPIO_18) Stereo clock
14 LAN_PORT0_RX- Ethernet port
15 USB + USB signal, carries USB data to and from the USB 2.0 PHY
16 LAN_PORT0_TX+ Ethernet port
17 USB - USB signal, carries USB data to and from the USB 2.0 PHY
18 LAN_PORT0_TX- Ethernet port
19 LED7(GPIO_27) SYSTEM LED
20 GND Ground
21 LED8(GPIO_26) JMP_START LED
22 VDD_2.0V OUTPUT Power supply output for peripheral network transformer
23
RESET_CONFIG
(UART_CTS)
(GPIO_12)
resets the firmware to its default configuration, it has a internal
10k drop down resistance, and trigger while Pulling up
24 VDD_2.0V OUTPUT Power supply output for peripheral network transformer
25
JUMPSTART
(UART_RTS) (GPIO_11)
KEY_INPUT to start WPS function, it has a internal 10k drop
down resistance, and trigger while Pulling up
26 GND Ground
27 GND Ground
28 SPI_MISO SPI serial interface
29 VDD_3.3V
3.3V input 1000mA, recommended voltage 3.3V,Min2.97V, MAX
3.63V
30 SPI_CLK SPI serial interface
31 VDD_3.3V
3.3V input 1000mA, recommended voltage 3.3V, Min2.97V, MAX
3.63V
32 SPI_MOSI SPI serial interface
33 LED6 (GPIO_17) WLAN LED