Chengdu Ebyte Electronic Technology Co.,Ltd.
E103-W10 User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
6
Pin No.
Item
Direction
Description
1
GND
-
GND
2
IO2
Input/Output GPIO2; Can be used as UART1_TX when flashing
3
IO0
Input/Output GPIO0;SPI_CS2;
4
IO4
Input/Output GPIO4
5
IO5
Input/Output GPIO5
6
RXD0
Input/Output GPIO3;Can be used as UART1_TX when flashing
7
TXD0
Input/Output GPIO1; SPI_CS1;Can be used as UART1_TX when flashing
8
RST
Input
External reset signal (low level valid), reset module; The pull-up resistor
is connected to the inside of the module
9
IO16
Input/Output GPIO16; Deep sleep wake-up
10
ADC
Input
TOUT;ADC port (Note: ADC port port inside the chip) can be used to
detect the input in voltage of the VDD3P3 (Pin3, Pin4) supply voltage
and the TOUT (Pin6) (both of which cannot be used at the same time)
11
EN
Input
Chip enables end, high level: effective, chip works properly;
Low level: Chip closed , small current., and the pull-up resistor is
connected inside the module
12
IO14
Input/Output GPIO14; HSPI_CLK
13
IO12
Input/Output GPIO12;HSPI_MISO
14
IO13
Input/Output GPIO13; HSPI_MOSI; UART0_CTS
15
IO15
Input/Output
GPIO15; HSPI_CS
；
UART0_RTS; Resistance is connected to ground
in the inside of the module
16
VCC
-
Module power
：
2.7~3.3V
4 Recommended wire diagram
