E78-400M22S1A Programming Interface - Ebyte E78 Series User Manual

Chengdu Ebyte Electronic Technology Co., Ltd
46 UART0-TX
47 LCD-SEG6
48 LCD-SEG7
49 LCD-SEG8
50 LCD-SEG9
51 VCC
52 GND
★ For the pin definition, software driver and communication protocol of the module, please refer to ASR official

3. E78-400M22S1A Programming interface

Note: If users use the E78-400M22S1A module to develop by themselves, it is recommended to use the test board
E78-400TBL-01A made by our company for the E78 module first, which is convenient for users. Users can decide
according to his own needs.
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
output UART0-TX pin
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Power supply, range 2.5V ~ 3.7V (recommended to add external ceramic
filter capacitor)
Ground wire, connected to the power reference ground
《ASR6501 Datasheet》 ★
E78-400M22S1A User Manual
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