User's Manual

Wi-linktech Communication Technologies (Shanghai) Co.,Ltd.
4.2 Pin definition
PIN # Pin name type describe
1 GND
The POWER
Ground
2 3 v3
The POWER
3.3 V Power Supply
3 PD < 2 > Digital I/O SPI_CN/I2S_LR/PWM3 / PD < 2 >
4 PD < 7 > Digital I/O SPI_CK I2S_BCK / 7816 _TRX/PD < 7 >
5 RST The RESET Power on reset, active low
6 PD < 4 > Digital I/O
SWM/I2S_SDO/PWM2_N/PD < 4 >
7 PD < 3 > Digital I/O
PWM1_N I2S_SDI / 7816 _TRX/PD < 3 >
8 PA < 0 > Digital I/O DMIC_DI/PWM0_N/UART_RX/PA < 0 >
9 PA < 1 > Digital I/O DMIC_CLK / 7816 _CLK/ I2S_CLK/PA < 1 >
10 PB < 7 > Digital I/O
SDM_N1 / SPI_DO/UART_RX/lc_comp_ain < 7 > /
sar_aio < 7 > / PB < 7 >
11 PA < 7 >
Digital I/O
SWS/UART_RTS/PA < 7 >
12 PC < 0 >
Digital I/O
I2C_SDA PWM4_N/UART_RTS PGA_P0 / PC < 0 >
13 PC < 1 >
Digital I/O
I2C_SCK PWM1_N/PWM0 PGA_N0 / PC < 1 >
14 PC < 2 >
Digital I/O
PWM0/7816 _TRX/I2C_SDA/XC32K_O/PGA_P1 / PC <
2 >
15 PC < 4 >
Digital I/O
PWM2 / UART_CTS/PWM0_N/sar_aio 8 > < < 4 > /
by/PC
16 PB < 1 >
Digital I/O
PWM4 / UART_TX/ATSEL2 / lc_comp_ain < 1 > /
sar_aio < 1 > / PB < 1 >
17 PC < 3 > Digital I/O
PWM1 / UART_RX/I2C_SCK/XC32K_I PGA_N1 / PC <
3 >
18 RFT
ANALOG
External RF antenna outlet
19 PB < 4 > Digital I/O
SDM_P0 PWM4 / lc_comp_ain < 4 > / sar_aio < 4 > / <
4 > in PB
20 PB < 5 >
Digital I/O
SDM_N0 PWM5 / lc_comp_ain < 5 > / sar_aio < 5 > /
PB < 5 >
21 PB < 6 >
Digital I/O
SDM_P1 / SPI_DI/UART_RTS/lc_comp_ain < 6 > /
sar_aio < 6 > / PB < 6 >
Not
e: All digital IOs can be used as GPIOs with configurable pull-up/pull-down resistors.
2019.03
www .w i - li nk te ch .c om
10