User Manual

FN-LINK TECHNOLOGY LIMITED
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20 NC Not Connected
21 NC Not Connected
22 GPIOA_3 GPIO Pin
23 NC Not Connected
24 GPIOA_5 GPIO Pin
25 GPIOA_6/UART0_RXD GPIO Pin, UART0_IN(multiplexing)
26 GPIOA_7/UART0_TXD GPIO Pin, UART0_OUT(multiplexing)
27 GND Ground
28 NC Not Connected
29 NC Not Connected
30 GND Ground
31 NC Not Connected
32 NC Not Connected
33 GND Ground
34 VD33 3.3V Power Supply
35 GND Ground
36 GPIOC_3/SPI0_MISO GPIO Pin, SPI0_MISO(multiplexing)
37 GPIOC_2/SPI0_MOSI GPIO Pin, SPI0_MOSI(multiplexing)
38 GPIOC_1/SPI0_CLK GPIO Pin, SPI0_CLK(multiplexing)
39 GPIOC_0/PWM0 GPIO Pin, PWM(multiplexing)
40 GPIOC_4/SPI0_CS1 GPIO Pin, SPI0_CS1(multiplexing)
41 GPIOC_5 GPIO Pin
42 GPIOB_3/I2C_SDA GPIO Pin
43 GPIOB_2/I2C_SCL GPIO Pin
44 GPIOB_1/UART1_RXD GPIO Pin, UART1_IN(multiplexing)
45 GPIOB_0/UART1_TXD GPIO Pin, UART1_OUT(multiplexing)
46 NC Not Connected
47 NC Not Connected
48 GND Ground
49 NFCIP_1 NFC input differential signal
50 NFCIN_1 NFC input differential signal
51 RF_1 WL RF signal
52 GND Ground
53 GND Ground
54 GND Ground