4-7. BlueTooth/WiFi Module
< Function/Wi-Fi/BT Connector Pins with Main
Reference Chart>
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20
13 579246810 11 13 15 17 19 12 14 16 18 20
Wi-Fi /BT Pins Function Pins
WCT734M Pin Assignments
1 USB DM 11 KEY1
2 USB DP 12 KEY2
3 GND 13 I2C_SCL
4 UART_TX 14 I2C_SDA
5 BT_WAKLE_UP 15 DMIC_DATA
6 WIFI_SUSPEND 16 DMIC_CLK
7 5V 17 LED
8 WIFI_WAKE_UP 18 GND
9 RESET 19 IR_LED1
10 IR_RX 20 IR_LED2
<FUNCTION/IR/BT/WIFI>
Pin20 ~ Pin1
Pin Description
Pin Pin Name VOLTAGE(V)
1 USB DM
USB
2 USB DP
USB
3 GND
GND
4 UART_TX
3.3
5 BT_WAKLE_UP
3.3
6 WIFI_SUSPEND
3.3
7 5V
5
8 WIFI_WAKE_UP
3.3
9 RESET
3.3
10 IR_RX
-
11 KEY1
-
12 KEY2
-
13 I2C_SCL
-
14 I2C_SDA
-
15 DMIC_DATA
-
16 DMIC_CLK
-
17 LED
-
18 GND
GND
19 IR_LED1
-
20 IR_LED2
-
4-17
4. Troubleshooting