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The ESP32-S3R2 microcontroller is a low-power system-on-chip (SoC) with a dual-core 32-bit Xtensa® LX7 processor, designed by Espressif Systems and offered in a QFN-56 package. This microcontroller supports 2.4 GHz Wi-Fi and Bluetooth 5.0 (Bluetooth LE) and includes 2 MB of internal PSRAM. It operates at frequencies up to 240 MHz and supports a supply voltage of 3.3V. The ESP32-S3R2 features 45 general-purpose input/output (GPIO) pins and supports communication interfaces such as I²C, SPI, UART, and USB.
Specifications of ESP32-S3R2 32-bit Microcontroller
- Processor Core: Dual-core 32-bit Xtensa® LX7
- Operating Frequency: Up to 240 MHz
- Program Memory: No internal memory; supports external flash memory up to 16 MB via QSPI interface
- Data Memory: 2 MB internal PSRAM
- Number of I/Os: 45 GPIO pins
- Interfaces: I²C, SPI, UART, USB
- Supply Voltage: 3.3V
- Package: QFN-56
- Operating Temperature Range: -40°C to 85°C
| Package | QFN-56 |
|---|---|
| Packaging | Tape & Reel |
| Operating Temperature Min | -40 C° |
| Operating Temperature Max | +85 C° |
| Mounting Type | SMD/SMT |
| Components - Type | RF System on a Chip - SoC |
| Maximum Clock Frequency | 240 MHz |
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