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The ESP32-D2WD has all the great features of the ESP32-D0WD plus adds 2 Mbytes of embedded on-chip flash. This embedded flash means that the entire application can be run on-chip with no external flash needed. The added flash also makes this compact 5x5 chip a powerhouse for the wearable's market or any other application where small size is needed.
The ESP32-D2WD also features dual microprocessors, (one for normal operation and one for low-power sleep mode), and has the combo Bluetooth (BT 4.2 and BLE) and Wi-Fi radios.
Key Features of the ESP21-D2WD
- Small 5 x 5 mm package
- 2Mbyte on-chip embedded flash
- Ultra-low power consumption
- 2.4 GHz Wi-Fi
- Bluetooth 4.2 and BLE
- Fine resolution clock gating
- Dynamic power scaling
- Multiple power modes
- Built-in Antenna Switches
These features allow the support of leading industry smart home standards including Apple HomeKit.
Learn more and compare ESP32 SOC chips.
ESP32-D2WD Features
- Built-In Antenna Switches
- Power Amplifier
- RF Balun
- Low Noise Receive Amplifier
- Power Management Modules
- Ultra-Low Power Consumption
- Compliant with Bluetooth v4.2 BR/EDR and BLE specification
- Bluetooth Class 1, Class 2, and Class 3 transmitter without external power amplifier
- BT 4.2 controller and host stack
- 802.11 b/g/n/e/i Wi-Fi
- Fine Resolution Clock Gating
- Dynamic Power Scaling
Peripherals and Sensors
- 12-bit SAR ADC up to 18 channels
- 2 x 8-bit D/A convertors
- 10 x touch sensors
- On-chip temperature sensor
- On-chip Hall sensor
- 4 x SPI, 2 x I2S, 2 x I2C, 3 x UART
- CAN 2.0
- IR (TX/RX)
- Motor PWM
- LED PWM
- Supports the industry leading smart home standards including Apple HomeKit
| Chip package | QFN 5x5 |
| Controllers |
|
| Core | Dual Core |
| Cpu | Xtensa® 32-bit LX6 microprocessors |
| Dimensions | 5.0 x 5.0 x 0.85 mm |
| Interfaces |
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| Memory |
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| Mpn | ESP32-D2WD |
| Pins | 48 Pin QFN package |
| Power | Power supply: 2.2 V to 3.6 V |
| Protocols |
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| Temperature range |
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| Timers | 4 General-Purpose Timers |
| Watchdog timer | 3 Watchdog Timers |
Documentation |
|
|---|---|
| ESP32 Datasheet | Download (PDF) |
| ESP32 Technical Reference Manual | Download (PDF) |
| ESP32 Hardware Design Guidelines | Download (PDF) |
| ESP32 Bluetooth Networking User Guide | Download (PDF) |
| ESP32 Bluetooth Architecture | Download (PDF) |
| Espressif HomeKit SDK Product Brief | Download (PDF) |
| BT/BLE Coexistence Demo | Download (PDF) |
| ESP32 Instruction Set and Examples | Download (PDF) |
| ESP32 FAQs | Download (PDF) |
| ESP32 Flash Encryption Guide | Espressif Website (HTML) |
Downloads |
|
|---|---|
| ESP32 RF Performance Test Demonstration | Download (ZIP) |
| ESP32 Certification and Test | Download (ZIP) |
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