text.skipToContent text.skipToNavigation


Microchip WBZ351PE Multi-Protocol Microcontroller Module

RF ready with PCB antenna, advanced security and robust analog

Part of the PIC32CX-BZ family, Microchip’s WBZ351PE is a secure, low-cost 32-bit microcontroller module with an inbuilt wireless subsystem certified for Bluetooth® and Zigbee®.

Designed from the ground up to go to market quickly, WBZ351PE is powered by a 64 MHz ARM® Cortex® M4F and is packed with features.

Summary of Features

  • MCU:
    • 64 MHz Arm Cortex M4F processor
    • 512 kB Flash with error correction code (ECC)
    • 96 kB multi-port programmable quality of service (QoS) SRAM
    • Up to 32 kB of SRAM retention in backup
    • 64 kB of ROM for secure boot
    • 32-channel event system
    • 16-channel direct memory access controller (DMAC)
    • Internal and external clock options

  • Peripherals:
    • Serial communication: USART, I2C, SPI, RS485, LIN
    • Quad SPI with execute-in-place (XIP) support
    • 12-bit, 2 Msps analog-to-digital converters (ADC)
    • Up to eight capacitive voltage divider (CVD) channels for touch
    • 7-bit general purpose digital-to-analog converter (DAC)
    • Analog comparators
    • Up to 27 GPIOs
    • Eight 16-bit timers/counters (TC)
    • 24-bit and 16-bit timers/counters for control (TCC)


  • Security:
    • Secure boot with immutable Root-of-Trust
    • High-performance cryptographic accelerator
    • 128-bit, 192-bit, and 256-bit AES
    • Secure hash algorithm (SHA1, SHA224, SHA256)
    • Public key algorithms (ECC, ECDSA)
    • True random number generator (TRNG)

  • Radio:
    • Bluetooth LE 5.2 certified
    • 2M uncoded PHY
    • Long-range coded PHY
    • Multi-link and multi-role support
    • Zigbee 3.0 certified
    • Hardware radio arbiter for Bluetooth and 802.15.4 coexistence
    • Secure over-the-air (OTA) update
    • Transmit output power up to +11 dBm
    • Receiver power sensitivity down to −108 dBm

  • Certifications:
    • FCC (USA)
    • CE (EU)
    • UKCA (UK)
    • ISED (Canada)
    • SRRC (China)
    • MIC (Japan)
    • NC (Taiwan)
    • KC (South Korea)



More Information

RF Ready with Onboard Antenna
RF design is complicated but the WBZ351 makes it easier. With our RF-ready, PCB antenna, you don’t need to be an RF-expert to add wireless to your application, saving you time and RF-design costs.

Global Regulatory-Certified
Radio certification is also complicated and can take a long time to complete. Our WBZ351PE modules are pre-certified in US, Canada, Europe, China, Taiwan, Japan and Korea helping you go to market quicker.

Ultra-Low Power 2.4 GHz Transceiver
Build applications enabling Bluetooth Low-Energy (LE) 5.2, IEEE® 802.15.4 / Zigbee 3.0 connectivity with hardware-level arbitration for multi-protocol wireless functionality.

Hardware-Based Security (Secure Boot)
Protect applications with NIST-compliant authentication and secure boot ROM to ensure only trusted software runs on your system.

Robust Analog Peripherals
Industrial-grade capacitive touch, ADCs, DAC and comparators enable versatile sensor integration and analog management for a wide range of applications.

Functional Safety
This device supports the ISO 26262 (ASIL B), and IEC 61508 (SIL 2) functional safety standards. The Functional Safety Manual, FMEDA and Diagnostic Software information are available under NDA. Contact us for more information.

Easy Development
Built on the MPLAB® Harmony® v3 framework, application development for WBZ351PE is simple. Start prototyping in seconds using drag-and-drop building blocks or one of our many demo applications. Go to the application developer's guide.

Block Diagram

Microchip WBZ351 Block Diagram