Ebyte E78 Series User Manual page 6

Chengdu Ebyte Electronic Technology Co., Ltd
LCD-SEG1
9
7
10 I2C-SDA
11 I2C-SCL
12 ADC-IN0
13 ADC-IN1
14 GPIO2
15 GPIO3
16 GPIO4
17 ADC_IN2
18 GND
19 ANT
20 GND
21 GND
22 GND
23 GND
24 SPI-NSS
25 SPI-SCK
26 SPI_MISO
27 SPI_MOSI
28 LCD-SEG1
29 LCD-SEG2
30 SWIM
31 NRST
LCD-COM
32
0
LCD-COM
33
1
LCD-COM
34
2
35 VREFP
36 UART1-RX
37 UART1-TX
38 VLCD
39 LCD-SEG0
40 GND
41 LCD-SEG3
LCD-COM
42
3
43 LCD-SEG4
44 LCD-SEG5
45 UART0-RX
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
Input/output MCU GPIO
Input/output I2C-SDA pin
Input/output I2C-SCL pin
Input ADC input pin
Input ADC input pin
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Input ADC input pin
Ground wire, connected to the power reference ground
output Antenna interface, stamp hole (50 ohm characteristic impedance)
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
Ground wire, connected to the power reference ground
Input SPI select pin, can select external SPI
Input SPI-SCK pin, can be used as external SPI
output SPI_MISO pin, can be used as external SPI
Input SPI MOSI pin, can be used as external SPI
MCU GPIO
Input/output MCU GPIO
Input/output Program burning pin
Input External reset pin
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Input ADC reference voltage input
Input UART1-RX pin
output UART1-TX pin
Input VLCD pin
Input/output MCU GPIO
Ground wire, connected to the power reference ground
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Input/output MCU GPIO
Input UART0-RX pin
E78-400M22S1A User Manual
5