BL32F3222NR Optical Transceiver SoC, 32MHz MCU, High GPIO Count, QFN32 Package

Shanghai Belling

The BL32F3222NR is a feature-rich optical transceiver SoC offering expanded GPIO capability for complex control and interface requirements. It combines MCU processing, analog sensing, and digital communication in a compact QFN32 package.

Key Specifications

  • Supply Voltage (VDD): 2.0V – 5.5V

  • CPU Frequency: 32MHz

  • Flash / RAM: 32KB / 2KB

  • GPIO: 29

  • Timers: 3 × 16-bit

  • PWM: 3 channels

  • UART: 1

  • Interfaces: 2 × I²C

  • ADC: 12-bit × 2 channels

  • Temperature Sensor: ±2 °C

  • Package: QFN32

Applications

  • Optical transceivers

  • Industrial communication controllers

  • Multi-interface control boards

Features

  • High GPIO availability

  • Accurate temperature monitoring

  • Robust MCU integration

  • Compact QFN package