Chengdu Ebyte Electronic Technology Co., Ltd.
E104-BT06 User Manual
Copyright ©2012–2018
，
Chengdu Ebyte Electronic Technology Co., Ltd
NO.
Pin item
Direction
Function
Application
1
TXD
O
Serial port
--
2
RXD
I
Serial port
--
3
NC
--
--
--
4
NC
--
--
--
5
NC
--
--
--
6
NC
--
--
--
7
NC
I
--
--
8
NC
I
--
--
9
NC
--
--
--
10
NC
--
--
--
11
RST
I
Reset pin
Low reset
12
VCC
I
Positive power
Connect to power +3.3V
13
GND
--
Power ground
--
14
GND
--
Power ground
--
15
NC
--
--
--
16
NC
--
--
--
17
NC
--
--
--
18
NC
--
--
--
19
NC
--
--
--
20
NC
--
--
--
21
GND
--
Power ground
--
22
GND
--
Power ground
--
23
PB0
I
DISCON
Disconnect pin
24
PA7
O
LINK
Status indication output pin
25
PA6
O
STATE
Data connection indicator pin
26
PA1
I
MOD
In the connected state, when the serial port has data entering
the chip, and the data is not sent through Bluetooth, it is high,
and the sending is completed pull down the pin. The user can
use this pin to determine whether to continue to input data
through the serial port
27
PA5
--
--
--
28
PA4
--
--
--
29
PA0
WAKEUP
If the module enters sleep, the falling edge wakes up
30
NC
--
--
--
31
NC
--
--
--
32
GND
--
Power ground
--
33
GND
--
Power ground
--
