Espressif Systems ESP32-PICO-D4 RF SIP Module

Espressif Systems ESP32-PICO-D4 RF SIP Module provides complete Wi-Fi® and BLUETOOTH® functionalities based on the ESP32 chip. This module requires minimal PCB area as it features a small size of (7.0 ± 0.1)mm x (7.0 ± 0.1)mm x (0.94 ± 0.1)mm. The ESP32-PICO-D4 module integrates peripheral components, including a crystal oscillator, 4-MB SPI Flash, filter capacitors, and RF matching links in a single package. This SPI module is well-suited for space-limited or battery-operated applications such as wearable electronics, medical equipment, sensors, and other IoT products.

Espressif Systems ESP32 Dual-Core Wi-Fi Dual-Mode Bluetooth SoC (System-on-Chip) is a single 2.4GHz Wi-Fi and Bluetooth combo chip designed for mobile, wearable electronics, and IoT applications. This chip is designed to achieve incredible power and RF performance, showing robustness, versatility, and reliability in various applications and power scenarios.

Features

Wi-Fi
- 802.11 b/g/n
- 802.11 n (2.4GHz), up to 150Mbps
- WMM
- Immediate Block ACK
- Defragmentation
Bluetooth
- Compliant with Bluetooth v4.2 BR/EDR and BLE specifications
- Class-1, class-2, and class-3 transmitter without external power amplifier
- Enhanced power control
- +12dBm transmitting power
CPU and memory
- Xtensa^® single/dual-core 32-bit LX6 microprocessor(s), up to 600 MIPS (200 MIPS for ESP32-SOWD, 400 MIPS for ESP32-D2WD)
- 448kB ROM
- 520kB SRAM
- 16kB SRAM in RTC

Clocks and timers
- Internal 8MHz oscillator with calibration
- Internal RC oscillator with calibration
Advanced peripheral interfaces
- 34 × programmable GPIOs
- 12-bit SAR ADC up to 18 channels
- Two × 8-bit DAC
Security
- Secure boot
- Flash encryption
- Cryptographic hardware acceleration