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ESP32-C5-WROOM-1U-N8R8

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Espressif Systems RF and Wireless, ESP32-C5-WROOM-1U. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ESP32-C5-WROOM-1U-N8R8

Espressif Systems · RF and Wireless · ESP32-C5-WROOM-1U

ESP32-C5-WROOM-1U-N8R8 from Espressif Systems, in a ESP32-C5-WROOM-1U. 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 for the module.
2 3V3 power_in Power supply input with a recommended operating range of 3.0 V to 3.6 V (3.3 V typical), and the external supply must deliver at least 0.6 A.
3 EN input Chip enable: high enables the chip and low powers it off; the pin must not be left floating.
4 IO2 bidirectional GPIO2 with alternate functions MTMS, LP_GPIO2, LP_UART_RTSN, LP_I2C_SDA, ADC1_CH1 and FSPIQ.
5 IO3 bidirectional GPIO3 with alternate functions MTDI, LP_GPIO3, LP_UART_CTSN, LP_I2C_SCL and ADC1_CH2; MTDI is also a strapping pin for the SDIO clock edge.
6 IO0 bidirectional GPIO0 with alternate functions XTAL_32K_P, LP_GPIO0 and LP_UART_DTRN.
7 IO1 bidirectional GPIO1 with alternate functions XTAL_32K_N, LP_GPIO1, LP_UART_DSRN and ADC1_CH0.
8 IO6 bidirectional GPIO6 with alternate functions LP_GPIO6, ADC1_CH5 and FSPICLK.
9 IO7 bidirectional GPIO7 with alternate functions FSPID and SDIO_DATA1; it is also a strapping pin for JTAG signal source control and is floating by default.
10 IO8 bidirectional GPIO8 with alternate functions PAD_COMP0 and SDIO_DATA0.
11 IO9 bidirectional GPIO9 with alternate functions PAD_COMP1 and SDIO_CLK.
12 IO10 bidirectional GPIO10 with alternate functions FSPICS0 and SDIO_CMD.
13 IO13 bidirectional GPIO13 with alternate functions USB_D- and SDIO_DATA3.
14 IO14 bidirectional GPIO14 with alternate functions USB_D+ and SDIO_DATA2.
15 IO28 bidirectional GPIO28, which is a chip boot mode strapping pin and is pulled up by default.
16 IO5 bidirectional GPIO5 with alternate functions MTDO, LP_GPIO5, LP_UART_TXD, ADC1_CH4 and FSPIWP.
17 IO4 bidirectional GPIO4 with alternate functions MTCK, LP_GPIO4, LP_UART_RXD, ADC1_CH3 and FSPIHD.
18 IO27 bidirectional GPIO27, which is a chip boot mode and ROM message printing strapping pin and is pulled up by default.
19 NC/IO15 bidirectional Used as SPICS1 for the in-package SPI PSRAM and cannot be used for other functions in PSRAM modules; in modules without in-package PSRAM it can be used as GPIO15.
20 NC unconnected Not connected.
21 IO23 bidirectional GPIO23.
22 NC unconnected Not connected.
23 IO24 bidirectional GPIO24.
24 RX0 bidirectional UART0 receive signal (U0RXD), also usable as GPIO12.
25 TX0 bidirectional UART0 transmit signal (U0TXD), also usable as GPIO11.
26 IO25 bidirectional GPIO25, which is an SDIO sampling and driving clock edge strapping pin and is floating by default.
27 IO26 bidirectional GPIO26, which is a chip boot mode strapping pin and is floating by default.
28 GND power_in Ground reference for the module.
29 EPAD power_in Exposed ground pad; soldering it to the base board ground is optional but improves thermal performance when done with the correct amount of solder paste.
30 GND power_in Ground reference for the module.
31 ANT2 bidirectional RF input and output for the external antenna; it is disabled by default, with ANT1 used instead, and must be enabled by contacting Espressif.
32 GND power_in Ground reference for the module.

Key specifications

Parameter Value
Manufacturer Espressif Systems
Package ESP32-C5-WROOM-1U
Category RF and Wireless
Pins 32

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 IVDD 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
Power supply voltage (1.8 V) VCC 1.65 1.8 2 V 35
Power supply voltage (3.3 V) VCC 2.7 3.3 3.6 V 35
Maximum clock frequency FC 80 MHz 35
Program/erase cycles 100000 cycles 35
Data retention time TRET 20 years 35
Page program time TPP 0.8 5 ms 35
Sector erase time (4 KB) TSE 70 500 ms 35
Block erase time (32 KB) TBE1 0.2 2 s 35
Block erase time (64 KB) TBE2 0.3 3 s 35
Chip erase time (64 Mb) TCE 25 100 s 35
Power supply voltage (1.8 V) VCC 1.62 1.8 1.98 V 35
RF transmit power range -15 20 dBm 42
RF transmit power range -15 20 dBm 802.15.4 Transmitter Characteristics - 250 Kbps 46
Sensitivity -97.5 dBm Bluetooth LE 1 Mbps, @30.8% PER 43
Maximum received signal 5 dBm Bluetooth LE 1 Mbps, @30.8% PER 43
Sensitivity -94.5 dBm Bluetooth LE 2 Mbps, @30.8% PER 44
Maximum received signal 5 dBm Bluetooth LE 2 Mbps, @30.8% PER 44
Sensitivity 105 dBm Bluetooth LE 125 Kbps, @30.8% PER 45
Maximum received signal 5 dBm Bluetooth LE 125 Kbps, @30.8% PER 45
Sensitivity -101.5 dBm Bluetooth LE 500 Kbps, @30.8% PER 45
Sensitivity -103 dBm 802.15.4 250 Kbps, @1% PER 46
Maximum received signal 5 dBm 802.15.4 250 Kbps, @1% PER 46
Pin capacitance CIN 2 pF 32
High-level source current IOH 40 mA VDD = 3.3 V, VOH >= 2.64 V, PAD_DRIVER = 3 32
Low-level sink current IOL 28 mA VDD = 3.3 V, VOL = 0.495 V, PAD_DRIVER = 3 32
Internal weak pull-up resistor RPU 45 kΩ 32
Internal weak pull-down resistor RPD 45 kΩ 32

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