Size And Pin Definition - Ebyte E32-900T30D User Manual

Chengdu Ebyte Electronic Technology Co., Ltd

3 Size and pin definition

No. Name
1 M0
2 M1
3 RXD
4 TXD
5 AUX
6 VCC
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Direction
Input With M1, the four working modes of the module can be determined (it
（weak pull-up） cannot be suspended, and it can be grounded if it is not used).
Input With M0, the four working modes of the module can be determined (it
（weak pull-up） cannot be suspended, and it can be grounded if it is not used).
TTL UART input ,Connect to external TXD output pins; Can be configured
Input
as drain open circuit or pull up input, see parameter Settings
TTL UART output, Connect to external RXD input pin; Can be configured as
Output
drain open circuit or push - pull output, see parameter Settings
Used to indicate the working status of the module; The user wakes up the
external MCU and outputs low level during self-test initialization; Can be
Output
configured as drain open output, or push-pull output, see parameter Settings
(can be suspended)
Positive reference of module power supply, voltage range: 3.3v ~ 5.5V DC
Input
E32-900T30D User Manual
Function
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