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ESP32-C5-WROOM-1-N8R8

Espressif Systems · WiFi Modules · ESP32-C5-WROOM-1

ESP32-C5-WROOM-1-N8R8 from Espressif Systems, in a ESP32-C5-WROOM-1. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground reference pin of the module.
2 3V3 power_in Module power supply pin; the VDD33 operating range is 3.0 V to 3.6 V with 3.3 V typical (Table 6-2, page 32).
3 EN input Chip enable: high enables the chip, low powers the chip off, and the pin must not be left floating.
4 IO2 bidirectional GPIO2 and MTMS strapping pin (floating by default), also usable as LP_GPIO2, LP_UART_RTSN, LP_I2C_SDA, ADC1_CH1 and FSPIQ.
5 IO3 bidirectional GPIO3 and MTDI strapping pin (floating by default), also usable as LP_GPIO3, LP_UART_CTSN, LP_I2C_SCL and ADC1_CH2.
6 IO0 bidirectional GPIO0, also usable as XTAL_32K_P, LP_GPIO0 and LP_UART_DTRN.
7 IO1 bidirectional GPIO1, also usable as XTAL_32K_N, LP_GPIO1, LP_UART_DSRN and ADC1_CH0.
8 IO6 bidirectional GPIO6, also usable as LP_GPIO6, ADC1_CH5 and FSPICLK.
9 IO7 bidirectional GPIO7, also usable as FSPID and SDIO_DATA1; it is a strapping pin for the JTAG signal source and floats by default.
10 IO8 bidirectional GPIO8, also usable as PAD_COMP0 and SDIO_DATA0.
11 IO9 bidirectional GPIO9, also usable as PAD_COMP1 and SDIO_CLK.
12 IO10 bidirectional GPIO10, also usable as FSPICS0 and SDIO_CMD.
13 IO13 bidirectional GPIO13, also usable as USB_D- and SDIO_DATA3.
14 IO14 bidirectional GPIO14, also usable as USB_D+ and SDIO_DATA2.
15 IO28 bidirectional GPIO28, a boot-mode strapping pin with an internal pull-up (default logic 1).
16 IO5 bidirectional MTDO and GPIO5, also usable as LP_GPIO5, LP_UART_TXD, ADC1_CH4 and FSPIWP.
17 IO4 bidirectional MTCK and GPIO4, also usable as LP_GPIO4, LP_UART_RXD, ADC1_CH3 and FSPIHD.
18 IO27 bidirectional GPIO27, a boot-mode and ROM message printing strapping pin with an internal pull-up (default logic 1).
19 NC/IO15 bidirectional Used as SPICS1 and unavailable for other functions when the module has in-package SPI PSRAM; otherwise usable as GPIO15.
20 NC unconnected Not connected.
21 IO23 bidirectional GPIO23.
22 NC unconnected Not connected.
23 IO24 bidirectional GPIO24.
24 RX0 bidirectional U0RXD, UART0 receive, also usable as GPIO12.
25 TX0 bidirectional U0TXD, UART0 transmit, also usable as GPIO11.
26 IO25 bidirectional GPIO25, a strapping pin for SDIO sampling and driving clock edge control (floating by default).
27 IO26 bidirectional GPIO26, a chip boot-mode strapping pin (floating by default).
28 GND power_in Ground pin.
29 EPAD power_in Exposed ground pad of the module.

Key specifications

Parameter Value
Manufacturer Espressif Systems
Package ESP32-C5-WROOM-1
Category IoT/Communication Modules
Pins 29

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Power supply voltage VDD33 -0.3 3.6 V 32
Power supply voltage VDD33 3 3.3 3.6 V 32
Current delivered by external power supply IV DD 0.6 A 32
Operating ambient temperature TA -40 85 °C 32
High-level input current IIH 50 nA 32
Low-level input current IIL 50 nA 32
Flash power supply voltage (1.8 V) VCC 1.65 1.8 2 V 35
Flash power supply voltage (3.3 V) VCC 2.7 3.3 3.6 V 35
Flash maximum clock frequency FC 80 MHz 35
Flash program/erase cycles 100000 cycles 35
Flash data retention time TRET 20 years 35
Flash page program time TPP 0.8 5 ms 35
Flash sector erase time (4 KB) TSE 70 500 ms 35
Flash block erase time (32 KB) TBE1 0.2 2 s 35
Flash block erase time (64 KB) TBE2 0.3 3 s 35
Flash chip erase time (16 Mb) TCE 7 20 s 35
Flash chip erase time (32 Mb) TCE 20 60 s 35
Flash chip erase time (64 Mb) TCE 25 100 s 35
Flash chip erase time (128 Mb) TCE 60 200 s 35
Flash chip erase time (256 Mb) TCE 70 300 s 35
PSRAM power supply voltage (1.8 V) VCC 1.62 1.8 1.98 V 35
PSRAM power supply voltage (3.3 V) VCC 2.7 3.3 3.6 V 35
PSRAM maximum clock frequency FC 80 MHz 35
RF transmit power range (802.15.4, 250 Kbps) -15 20 dBm 46

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin Solder: Sn-Ag-Cu (SAC305) lead-free solder Temperature (°C) 56

CAD (KiCad official)

  • Symbol: ESP32-C5-WROOM-1-N8R8
  • Footprint: PCM_Espressif:ESP32-C5-WROOM-1
  • 3D model: ESP32-C5-WROOM-1 (KiCad packages3D, STEP)
  • 3D model files: esp32-c5-wroom-1-n8r8-etched.step / esp32-c5-wroom-1-n8r8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esp32-c5-wroom-1-n8r8.step / esp32-c5-wroom-1-n8r8.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Espressif Systems datasheet (62 pp, sha256 fa50f329237226d0, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF