Size And Pin Definition - Ebyte E18 Series User Manual

Chengdu Ebyte Electronic Technology Co.,ltd.

3. Size and pin definition

Pin No. Pin item
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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Pin
direction
GND Input
VCC Input
P2.2 Input /Output
P2.1 Input /Output
P2.0 Input /Output
P1.7 Input /Output
P1.6 Input /Output
NC
NC
P1.5 Input /Output
P1.4 Input /Output
P1.3 Input /Output
P1.2 Input /Output
P1.1 Output
P1.0 Output
Ground, connecting to power supply reference ground
Power supply, must be 2.0-3.6V
MCU GPIO
MCU GPIO
MCU GPIO
MCU GPIO
MCU GPIO
N.C.
N.C.
MCU GPIO
MCU GPIO
MCU GPIO
MCU GPIO
MCU GPIO，PA transmission control pin
MCU GPIO，PA receiving control pin
E18-MS1PA2-PCB User Manual
Application
2-5