Product Info

Bluetooth Module Series
HC06U_Hardware_Design 14 / 31
3
Application Interfaces
3.1. Pin Assignment
PB11
UART_TX
PB10
PB13
UART_RX
ADC_IN4
ADC_IN5
PB12
PB14
UART_CTS
17 18 16
12
11
10
9
7
6
8
5
4
3
2
1
20
21
22
23
25
26
24
27
28
29
30
31
GND
GND
ANT
GND
BOOT0
3V3
SWDIO
SWCLK
PA7
SPI_CSB
SPI_CLK
SPI_MISO
I2C_SDA
I2C_SCL
SPI_MOSI
HC06U
Top View
GND SPI
UARTDEBUG I2C
RF
14
15
13
19
PB0
CONN/DISC
PB1
RESET
PB2
UART_RTS
Power
Other
signal
Figure 2: Pin Assignment