Ebyte E610-433T30S User Manual page 8

Chengdu Ebyte Electronic Technology Co.,Ltd
Pin definition：
Pin
Pin name
number
1
2
3
4
5
6
7
11
12
13
14
18
19
20
21
22
23
24
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7
Pin
direction
GND -
Module power supply positive reference. The voltage range is 3.0 to
VCC -
Used to indicate the working state of the module; The user wakes up
AUX Output
initialization of the power-on self-test; (can be suspended)
TXD Output TTL serial port output, connected to an external RXD input pin;
RXD Input TTL serial port input, connected to an external TXD output pin；
Input
Cooperate with M0 to determine 4 working modes of the module (not
(very
M1
weak
pull-up)
Input
Cooperate with M1 to determine the four working modes of the module
(very
M0
weak
pull-up)
ANT Output Antenna interface (HF output, 50 ohm characteristic impedance)
GND -
GND -
GND -
NC -
NC -
NC -
NC -
NC -
NC -
NC -
Module ground wire
the external MCU, and the output level is low during the
suspended, but grounded if not used)
(not suspended, but grounded if not used)
NC pin, which should be suspended
NC pin, which should be suspended
NC pin, which should be suspended
NC pin, which should be suspended
NC pin, which should be suspended
NC pin, which should be suspended
NC pin, which should be suspended
E610-433T30S User Manual
Pin using
3.6 VDC
Ground
Ground
Ground