Ebyte E104-BT11 - 3.1 Pin Definition

Chengdu Ebyte Electronic Technology Co., Ltd E104-BT11 User Manual
Copyright ©2012–2020，Chengdu Ebyte Electronic Technology Co., Ltd
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Pin definition
No.
Function
Description
1
GND
Ground，connect to power reference ground
2
PWN
N/A
3
PWN
N/A
4
PA00
N/A
5
PA03
N/A
6
N.C
7
N.C
8
PA04
N/A
9
PA05
N/A
10
SWD
11
SWC
12
N.C
13
NetLink
Network indicator, pin outputs high level after successfully networking
14
PD04
N/A
15
PWM
N/A
16
PD03
N/A
17
TXD
TX pin of UART，for UART receiving
18
RXD
RX pin of UART，for UART transmitting
19
VCC
Power supply 1.9～3.6V（It is recommended to add a ceramic filter capacitor
externally）
20
GND
Ground，connect to power reference ground
21
PC02
N/A
22
PC03
Low-power role selection pin (internal pull-up):
Low power consumption role: pull up or float;
Other roles: Go directly to the ground.
23
PC04
Reset. Except for hardware information (UART configuration), all
factory settings are restored.
24
Wakeup
The wake-up pin is valid in low level under low power mode.
25
RST
Chip reset trigger input pin, valid in low level
26
GND
Ground，connect to power reference ground