Bluetooth Low Energy Module
Shanghai Ehong Technologies Co., Ltd
5. Pinout and Terminal Description
5.1. Pin Configuration
Figure 1
：
Pinout of EH-MC10
Symbol
Pin
PAD Type
Description
GND
1
Ground
Ground
AIO2
2
Bidirectional analogue
10bit Analogue
programmable I/O line
AIO1
3
Bidirectional analogue
10bit Analogue
programmable I/O line
AIO0
4
Bidirectional analogue
10bit Analogue
programmable I/O line
UART_TX
5
CMOS output, tristate, with weak
internal pull-up
UART data output
UART_RX
6
CMOS input with weak internal pull-
down
UART data input
PIO3
7
Bi-directional with programmable
strength internal pull-up/down
Programmable
input/output line
PWM or LED Controls
PIO4
8
Bi-directional with programmable
strength internal pull-up/down
Programmable
input/output line
PWM or LED Controls
PIO5/SPI_CLK
9
Bi-directional with programmable
strength internal pull-up/down
Programmable
input/output line
Or debug SPI_CLK select
by SPI_PIO_SEL
GND
10
Ground
Ground
