Mechanical Properties; E78-868Ln22S Dimensions; Pin Definition - Ebyte E78-868LN22S User Manual

E78-868LN22S

3. Mechanical properties

3.1 E78-868LN22S Dimensions

3.2 Pin definition

No.
1
2
3
4
5
6
7
8
9
10
Name Direction
GND
VCC
SETB
DIO1 Input/output
BUSY Input/output
I2C_SDA Input/output
I2C_SCL Input/output
UART_CTS Input/output
UART_RTS Input/output
GND
Function
Ground wire, connected to the power reference
ground
Power supply, range 2.5-3.7v (external ceramic filter
capacitor is recommended)
Low power wake-up pin
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
NC (reserved pin)
Ground wire, connected to the power reference
5