Справочник Пользователя для High-Flying Electronics Technology Co. Ltd HF-A11X
HF-A11x V3.1 User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
10
1.2. Hardware Introduction
Figure 1.
HF-A11x Demo
1.2.1. Pins
Definition
Figure 2.
HF-A11x Pins Map
Table 2 HF-A11x Pins Definition
Pin Description
Name
Directio
n
n
Note
1
Ground GND
Power
2
VCC
3.3V
Power
3.3V @ 350mA power input
UART Data Transmit
UART_TXD
O
3
GPIO GPIO3
I/O
UART Data Receive
UART_RX
D
D
I
4
GPIO GPIO4
I/O
UART sends request of
data transmission
data transmission
UART_RTS
O
5
GPIO GPIO5
I/O
If not use UART function，this 4
pins can be configured as GPIO
pins, and can change GPIO pin
status through AT command
pins can be configured as GPIO
pins, and can change GPIO pin
status through AT command