Datasheet

3 Pin Definitions
3 Pin Definitions
3.1 Pin Layout
The pin diagram below shows the approximate location of pins on the module. For the actual diagram drawn to
scale, please refer to Figure 7.1 Physical Dimensions.
Pin 49
GND
GND GND GND
GNDGND
GND GND GND
Pin 1
Pin 2
Pin 3
Pin 4
Pin 6
Pin 5
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 53
GND
Pin 52
GND
Pin 12
Pin 13 Pin 14
Pin 15
Pin 16 Pin 17 Pin 18 Pin 19 Pin 20
Pin 21
Pin 22
Pin 23 Pin 24
Pin 25
Pin 51
GND
Pin 26
Pin 27
Pin 28
Pin 29
Pin 30
Pin 31
Pin 32
Pin 33
Pin 34
Pin 35
Pin 50
GND
Pin 36 Pin 37 Pin 38 Pin 39
Pin 40
Pin 41
Pin 42
Pin 43
Pin 44
Pin 45 Pin 46 Pin 47 Pin 48
GND
GND
3V3
NC
IO2
IO3
NC
EN
NC
NC
GND
IO0
IO1
GND
NC
IO10
NC
IO4
IO5
IO6 IO7
IO8 IO9
NC
NC
IO18
IO19
NC
NC
RXD0
TXD0
NC
NC
NC
NC
GND GND GND GND GND GND GND GND GND GND GND GND GND
Keepout Zone
Figure 3: Pin Layout (Top View)
3.2 Pin Description
The module has 53 pins. See pin definitions in Table 2.
For peripheral pin configurations, please refer to ESP32-C3 Series Datasheet.
Table 2: Pin Definitions
Name No. Type
1
Function
GND
1, 2, 11, 14,
36-53
P Ground
3V3 3 P Power supply
Cont’d on next page
Espressif Systems 9
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ESP32-C3-MINI-1 & MINI-1U Datasheet v1.0