Mechanical Dimensions And Pin Definitions; E78-900Ln22S(6601)(6601) Dimensional Drawing; Pin Definition - Ebyte E78-868LN22S Manual

Chengdu Ebyte Electronic Technology Co., Ltd.

3 Mechanical Dimensions and Pin Definitions

3.1 E78-900LN22S(6601)(6601) Dimensional drawing

3.2 Pin definition

Pin number
1
2
3
4
5
6
7
8 UART_CTS
9 UART_RTS
10
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Pin name Pin direction
GND -
VCC -
SETB -
DIO1 input Output
BUSY input Output
I2C_SDA input Output
I2C_SCL input Output
input Output
input Output
GND -
Pin usage
Ground wire, connected to the power reference
ground
Power supply, range 2.5V~3.7V (it is recommended
to add external ceramic filter capacitors)
Low power wake-up pin
NC (pin reserved)
NC (pin reserved)
NC (pin reserved)
NC (pin reserved)
NC (pin reserved)
NC (reserved pin)
Ground wire, connected to the power reference
E78-868LN22S User Manual
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