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ESP32-WROVER-E-N8R8

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Espressif Systems WiFi Modules, ESP32-WROVER-E. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ESP32-WROVER-E-N8R8

Espressif Systems · WiFi Modules · ESP32-WROVER-E

ESP32-WROVER-E-N8R8 from Espressif Systems, in a ESP32-WROVER-E. 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.
2 3V3 power_in Power supply input; the recommended VDD33 range is 3.0 V to 3.6 V (3.3 V typical), with an absolute maximum of 3.6 V.
3 EN input Active-high module-enable input; the datasheet suggests an RC delay circuit (typically R = 10 kΩ, C = 1 µF) for stable power-up.
4 SENSOR_VP input GPIO36, also ADC1_CH0 and RTC_GPIO0.
5 SENSOR_VN input GPIO39, also ADC1_CH3 and RTC_GPIO3.
6 IO34 input GPIO34, also ADC1_CH6 and RTC_GPIO4.
7 IO35 input GPIO35, also ADC1_CH7 and RTC_GPIO5.
8 IO32 bidirectional GPIO32, also XTAL_32K_P (32.768 kHz crystal oscillator input), ADC1_CH4, TOUCH9 and RTC_GPIO9.
9 IO33 bidirectional GPIO33, also XTAL_32K_N (32.768 kHz crystal oscillator output), ADC1_CH5, TOUCH8 and RTC_GPIO8.
10 IO25 bidirectional GPIO25, also DAC_1, ADC2_CH8, RTC_GPIO6 and EMAC_RXD0.
11 IO26 bidirectional GPIO26, also DAC_2, ADC2_CH9, RTC_GPIO7 and EMAC_RXD1.
12 IO27 bidirectional GPIO27, also ADC2_CH7, TOUCH7, RTC_GPIO17 and EMAC_RX_DV.
13 IO14 bidirectional GPIO14, also MTMS, HSPICLK, HS2_CLK, SD_CLK, EMAC_TXD2, ADC2_CH6, TOUCH6 and RTC_GPIO16.
14 IO12 bidirectional GPIO12 (MTDI strapping pin, default pull-down); the datasheet states IO12 should be kept low when the module is powered on.
15 GND power_in Ground.
16 IO13 bidirectional GPIO13, also MTCK, HSPID, HS2_DATA3, SD_DATA3, EMAC_RX_ER, ADC2_CH4, TOUCH4 and RTC_GPIO14.
17 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
18 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
19 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
20 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
21 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
22 NC unconnected Not connected; the datasheet notes GPIO6-GPIO11 are internal flash pins that are not led out.
23 IO15 bidirectional GPIO15 (MTDO strapping pin, default pull-up), also HSPICS0, HS2_CMD, SD_CMD, EMAC_RXD3, ADC2_CH3, TOUCH3 and RTC_GPIO13.
24 IO2 bidirectional GPIO2 (strapping pin for chip boot mode, default pull-down), also HSPIWP, HS2_DATA0, SD_DATA0, ADC2_CH2, TOUCH2 and RTC_GPIO12.
25 IO0 bidirectional GPIO0 (strapping pin for chip boot mode, default pull-up), also CLK_OUT1, EMAC_TX_CLK, ADC2_CH1, TOUCH1 and RTC_GPIO11.
26 IO4 bidirectional GPIO4, also HSPIHD, HS2_DATA1, SD_DATA1, EMAC_TX_ER, ADC2_CH0, TOUCH0 and RTC_GPIO10.
27 NC unconnected Not connected (NC) per Table 3.
28 NC unconnected Not connected (NC) per Table 3.
29 IO5 bidirectional GPIO5 (strapping pin for SDIO slave timing, default pull-up), also VSPICS0, HS1_DATA6 and EMAC_RX_CLK.
30 IO18 bidirectional GPIO18, also VSPICLK and HS1_DATA7.
31 IO19 bidirectional GPIO19, also VSPIQ, U0CTS and EMAC_TXD0.
32 NC unconnected Not connected (NC) per Table 3.
33 IO21 bidirectional GPIO21, also VSPIHD and EMAC_TX_EN.
34 RXD0 bidirectional GPIO3, U0RXD (UART0 receive), also CLK_OUT2; UART0 is used for firmware download and log output.
35 TXD0 bidirectional GPIO1, U0TXD (UART0 transmit), also CLK_OUT3 and EMAC_RXD2; UART0 is used for firmware download and log output.
36 IO22 bidirectional GPIO22, also VSPIWP, U0RTS and EMAC_TXD1.
37 IO23 bidirectional GPIO23, also VSPID and HS1_STROBE.
38 GND power_in Ground.
39 GND power_in Exposed ground pad (EPAD); soldering it to base-board ground is optional but improves thermal performance.

Key specifications

Parameter Value
Manufacturer Espressif Systems
Package ESP32-WROVER-E
Category IoT/Communication Modules
Pins 39

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 29
Storage temperature Tstore -40 105 °C 29
Power supply voltage VDD33 3 3.3 3.6 V 29
Current delivered by external power supply IV DD 0.5 A 29
Operating temperature T -40 85 °C 29
Low-level input voltage VIL -0.3 V 29
Low-level input voltage of CHIP_PU to shut down the chip VIL_nRST 0.6 V 30
High-level input current IIH 50 nA 29
Low-level input current IIL 50 nA 29
Power supply voltage (3.3 V), flash VCC 2.7 3.3 3.6 V 31
Maximum clock frequency, flash FC 80 MHz 31
Program/erase cycles, flash 100000 cycles 31
Data retention time, flash TRET 20 years 31
Page program time, flash TPP 0.8 5 ms 31
Sector erase time (4 KB), flash TSE 70 500 ms 31
Block erase time (32 KB), flash TBE1 0.2 2 s 31
Block erase time (64 KB), flash TBE2 0.3 3 s 31
Chip erase time (64 Mb), flash TCE 25 100 s Chip erase time (64 Mb) 31
Power supply voltage (3.3 V), PSRAM VCC 2.7 3.3 3.6 V 31
Maximum clock frequency, PSRAM FC 80 MHz 31
Differential nonlinearity (DNL) DNL -7 7 LSB RTC controller; ADC connected to an external 100 nF capacitor; DC signal input; ambient temperature at 25 °C; Wi-Fi&Bluetooth off 27
Integral nonlinearity (INL) INL -12 12 LSB RTC controller; ADC connected to an external 100 nF capacitor; DC signal input; ambient temperature at 25 °C; Wi-Fi&Bluetooth off 27
ADC total error -23 23 mV Atten = 0, effective measurement range of 100 ∼ 950 mV 27
ADC total error -30 30 mV Atten = 1, effective measurement range of 100 ∼ 1250 mV 27
ADC total error -40 40 mV Atten = 2, effective measurement range of 150 ∼ 1750 mV 27
ADC total error -60 60 mV Atten = 3, effective measurement range of 150 ∼ 2450 mV 27

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 alloy Figure 16: Reflow Profile 47

CAD (KiCad official)

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

Provenance

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

  • Datasheet: Espressif Systems datasheet (53 pp, sha256 611e8506f352225e, 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