Product Manual

ZHONGSHAN B&T TECHNOLOGY Co., Ltd
- 8 -
3
GND
GND
GND
4
NC
NC
Not Connect
5
CHIP_EN
I
Enable chip. 1: enable chip; 0: shutdown chip
6
GPIOA_14
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
7
GPIOA_15
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
8
GPIOA_0
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
9
GPIOA_12
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
10
GND
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
11
VDD33
Power
3.3V INPUT,300mA MAX
12
GND
GND
GND
13
VBAT_MEAS
NA
Reserved
14
GPIOA_5
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
15
GPIOA_18
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
16
GPIOA_19
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
17
GPIOA_22
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
18
GPIOA_23
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
19
GPIOA_30
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
20
GPIOA_29
IO
GPIO pin. The MUX function can be referred to
Pin Function Table
21
GND
GND
GND
Pin Function Table
PIN
name
UART
SPI
Master
SPI
Slave
SPI
Flash
I2C
SDIO
PWM/TIME
R
EXT32K
I2S
Others
GPIOA_1
4
PWM0
SWD_CLK
GPIOA_1
5
PWM1
SWD_DATA
GPIOA_0
PWM2
ext_32k