2.2 Pin Details of RNWF02 Module
Pin Number | Pin Name | Pin Type | Pin Description |
---|---|---|---|
0 | GND Paddle | P | Thermal ground pad |
1 | NC | — | No connection |
2 | I2C_SCL/PA8 | I | I2C clock connected to TrustFlex or Trust&GO device. Recommended to connect external pull-up resistor of 1.2K. |
3 | I2C_SDA/PA9 | I/O | I2C data connected to TrustFlex or Trust&GO device. Recommended to connect external pull-up resistor of 1.2K. |
4 | NMCLR | I | Master clear reset, active-low |
5 | PTA_WLAN_ACTIVE/PB6 | O | PTA interface, WLAN_ACTIVE |
6 | PTA_BT_PRIO/PB5 | I/O | PTA interface, BT_PRIORITY |
7 | PB7(2) | I/O | General purpose input output |
8 | NC | — | No connection |
9 | GND | P | Ground |
10 | DFU_Rx/Strap1/PB0 | I |
For device firmware update receive pin, strap 1 for UART1 host interface selection, Port B0. Recommended to connect to a pull-down resistor of 100K. |
11 | INT0/PB2/Wake | — | To wake-up the Wi-Fi® Module from its Deep Sleep (DS) and Extreme Deep Sleep (XDS) mode by the host |
12 | GND | P | Ground |
13 | IRQN/PA6 | O | Interrupt request (active-low) from the Wi-Fi® Module to wake-up the host from its Sleep state |
14 | UART1_TX/PA5 | O | UART1 transmit, Host interface |
15 | UART1_RTS/PA4 | O | UART1 Request-to-Send (active low), Host interface |
16 | UART1_CTS/PA3 | I | UART1 Clear-to-Send (active-low), Host interface |
17 | PA2(2) | I/O | General purpose input output |
18 | PA0(2) | I/O | General purpose input output |
19 | UART1_RX/PA1 | I | UART1 receive, Host interface |
20 | VDD | P | VDD power supply (3.0-3.6V) |
21 | SOSCI/PTA_BT_ACTIVE/PB4 (1) | I | Secondary oscillator input for 32.768 KHz external crystal/ PTA Interface BT_ACTIVE |
22 | SOSCO/PB3 | O | Secondary oscillator output |
23 | VDDIO | P | I/O power supply (1.8-3.6V) |
24 | TP | P | Test point –1.5V |
25 | NC | — | No connection |
26 | DFU_Tx/Strap2/PB1 | I | For device firmware update receive pin, strap 2 for UART2 host interface selection, Port B1. Recommended to connect to a pull-down resistor of 100K. |
27 | UART2_TX/PA7 | I/O | UART2 transmit for firmware log |
28 | GND | P | Ground |
29 | GND Paddle | P | Thermal ground pad |
Note:
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