Silex technology SX-SDMAC-2832S, Руководство пользователя

Страница: 18 / 27

Drawing No.：JW204430XX
Date：July 13, 2017
(18/27)
CONFIDENTIAL
© silex technology, Inc.
4.2. Signal specifications
Num Signal name Type I/O Domain Descriptions
1 GND GND GND Ground
2 NC NC NC
NC pin
3 WLAN_PWD_L PD VDD_GPIO_1 WLAN reset. (0=Disable, 1=Enable) Internal Pull-down.
4 VDD P P +3.135～+3.465V
5 VDD P P
+3.135～+3.465V
6 VDD P P
+3.135～+3.465V
7 VDD P P
+3.135～+3.465V
8 VDD_GPIO_1 P P +1.71 ～ +3.46V
9 VDD_GPIO_2 P P
+1.71 ～ +3.46V
10 GND GND GND
Ground
11 GND GND GND Ground
12 SD_D3 B VDD_SDIO
SDIO Data[3] for WLAN. Since this pin is used for Bootstrap option, you must not drive this
pin until releasing the reset signal. Internal Pull-up.
13 SD_D2 B VDD_SDIO
SDIO Data[2] for WLAN. Since this pin is used for Bootstrap option, you must not drive this
pin until releasing the reset signal. Interal Pull-up
14 SD_D1 B VDD_SDIO
SDIO Data[1] for WLAN. Since this pin is used for Bootstrap option, you must not drive this
pin until releasing the reset signal. Interal Pull-up
15 SD_D0 B VDD_SDIO
SDIO Data[0] for WLAN.
16 SD_CMD B VDD_SDIO SDIO command for WLAN.
17 GND GND GND
Ground
18 SD_CLK DI VDD_SDIO SDIO Clock for WLAN.
19 GND GND GND
Ground
20 RESERVED DO VDD_SDIO
Un-used signal. Keep Open. Since this pin is used for Bootstrap option, you must not drive
this pin until releasing the reset signal. Internal Pull-up.
21 VDD_SDIO P P +1.71 ～ +3.46V
22 GND GND GND Ground
23 GND GND GND
Ground
24 BT_UART_RXD DI VDD_GPIO_1
UART RXD for BT. Since this pin is used for Bootstrap option, you must not drive this pin
until releasing the reset signal.Keep Open if BT is not used.
Interal Pull-up.
25 BT_UART_CTS DI VDD_GPIO_1
UART CTS for BT. Since this pin is used for Bootstrap option, you must not drive this pin
until releasing the reset signal. Keep Open if BT is not used. Interal Pull-up.