Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd
7
No.
Name
Direction
Function
2
ANT
-
Antenna
6
REST
Input
Module reset pin, active low;
11
TXD
Output
TTL serial port output, currently only reading the module version is
available, can be floating when not using;
12
RXD
Input
TTL serial port input, currently only reading the module version is available,
can be floating when not using;
16
TTCLK
-
Debug clock pin, can be floating when not using;
17
TTDIO
-
Debug data pins, can be floating when not using;
20
VCC
Power supply
Positive reference of module power supply, voltage range: 2.3~5.5V DC,
3.3V or 5V is recommended;
23
Mode
Input
The transceiver mode control pin of the module, low-level transmit mode,
high-level receive mode, cannot be left floating;
25
Debug_EN
-
Debug control pin, enter program programming mode for low-level
module, can be floating when not using;
26
CH3
Input
Channel 3, combined with CH0, CH1, CH2 to select 16 working channels, see the
channel table for details;
27
CH2
Input
Channel 2, combined with CH0, CH1, CH2 to select 16 working channels, see the
channel table for details;
28
CH1
Input
Channel 1, combined with CH0, CH1, CH2 to select 16 working channels, see the
channel table for details;
29
CH0
Input
Channel 0, combined with CH0, CH1, CH2 to select 16 working channels, see the
channel table for details;
30
VOIN
Input
Audio input is negative, please refer to the recommended circuit for
hardware design;
31
VOIP
Input
The audio input is positive, please refer to the recommended circuit for
hardware design;
32
VOON
Output
Audio output is negative, see the recommended circuit for hardware
design;
33
VOOP
Output
The audio output is positive, please refer to the recommended circuit for
hardware design;
1
、
3
、
15
、
19
、
34
、
35
、
36
GND
Power supply
Module ground
4
、
5
、
7
、
8
、
9
、
10
、
13
、
14
、
18
、
21
、
22
、
24
NC
-
