Pin Description - Espressif Systems ESP32­-C3­-MINI-­1 User Manual

1 Overview

1.2 Pin Description

GND
GND
3V3
NC
IO2
IO3
NC
EN
NC
NC
GND
The module has 53 pins. See pin definitions in Table 2.
For peripheral pin configurations, please refer to
Name No.
GND 1, 2, 11, 14, 36-53
3V3 3
NC 4
IO2 5
IO3 6
NC 7
EN 8
NC 9
NC 10
Espressif Systems
Keepout Zone
Pin 53
GND
Pin 1
Pin 2
Pin 3
GND
Pin 4
Pin 5
Pin 6 GND
Pin 7
Pin 8
GND
Pin 9
Pin 10
Pin 11
Pin 52
GND
Figure 1: Pin Layout (Top View)
ESP32-C3 Family Datasheet
Table 2: Pin Definitions
Type Function
P Ground
P Power supply
— NC
I/O/T GPIO2, ADC1_CH2, FSPIQ
I/O/T GPIO3, ADC1_CH3
— NC
High: on, enables the chip.
I
Low: off, the chip powers off.
Note: Do not leave the EN pin floating.
— NC
— NC
GND GND
Pin 49
GND
GND
GND GND
.
5
Pin 50
GND
NC
Pin 35
NC
Pin 34
NC
Pin 33
NC
Pin 32
TXD0
Pin 31
RXD0
Pin 30
NC
Pin 29
NC
Pin 28
IO19
Pin 27
IO18
Pin 26
NC
Pin 25
Pin 51
GND
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ESP32-C3-MINI-1 User Manual v0.1