User's Manual
Table Of Contents
1 Overview
Table 2 – cont’d from previous page
Name No. Type
1
Function
GND 9,17 P Ground
IO7 10 I/O/T GPIO7, FSPID, MTDO, LED PWM
IO8 11 I/O/T GPIO8
IO9 12 I/O/T GPIO9
IO10 13 I/O/T GPIO10, FSPICS0, LED PWM
IO3 14 I/O/T GPIO3, ADC1_CH3, LED PWM
RXD0 15 I/O/T GPIO20, U0RXD
TXD0 16 I/O/T GPIO21, U0TXD
1
P: power supply; I: input; O: output; T: high impedance.
Espressif Systems 6 ESP8685-WROOM-04 User Manual v0.1