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W55MH32

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The W55MH32 is a high-security, low-power MCU featuring a powerful Cortex-M3 core with rich peripherals in iMCU series. Its provides an advanced IoT connectivity to work on consumer and industrial applications.

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HKD16.90

  • 68QFN
  • 100QFN

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Data sheet

Embedded CoreTCP/IP, MAC & PHY
Host Interface8bit BUS, SPI
TX/RX Buffer16KB
Number of Hardware Socket4
Network PerformanceMax 25Mbps
Operation Temp (℃)-40 ~ 85
Package Type48LQFP / QFN (7x7)

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Description

Introducing the W55MH32 from iMCU series, a high-security, low-power MCU designed for the future of IoT and industrial applications. Powered by a Cortex-M3 core, it features advanced hardware security and a versatile set of peripherals. Its internet offload feature enhances IoT connectivity, ensuring seamless performance. Ideal for new energy systems, smart grids, financial equipment, security access control, and gateway devices, the W55MH32 delivers efficiency, reliability, and cutting-edge connectivity for your next-generation solutions. Key Differences Between W55MH32Q and W55MH32L.

W55MH32L:

- Includes 2 additional UARTs for enhanced serial communication

- Features an SDIO interface for high-speed data transfer

- Provides more GPIOs for flexible peripheral connections and custom designs

W55MH32Q:

- Smaller form factor, ideal for compact designs

- Includes all core features for networking and control

- Supports all general communication interfaces for versatile applications

Features

  • Core: 32-bit ARM®Cortex-M3 Core(Up to 216MHz operation)
  • Memories:1024KB FLASH,96KB SRAM
  • Hardware TCP/IP stack is supported
  • Support 8 hardware socket communication at the same time
  • Internal 32Kbytes Memory for Ethernet Tx/Rx Buffers
  • 10BaseT/100BaseTX Ethernet PHY embedded
  • Support Auto Negotiation (Full and half duplex, 10 and 100-based)
  • Up to 12 communication interface
    • 2 x I2C interfaces(support SMBus/PMBus)
    • 5(W55MH32L) / 3(W55MH32Q) x USARTs
    • 2 SPI interfaces, 1 multiplexed with I2S interface
    • CAN interface(2.0B Active)
    • USB 2.0 full-speed interface(Optional internal 1.5K pull-up resistor)
    • SDIO interface(Only W55MH32L Support)

  • 3 x 12-bit, 1 μs A/D converters

  • 2 x 12-bit D/A converters

  • 12-channel DMA controller

  • generate sequence of true random numbers

  • voltage & temperature sensor alarm

  • Enhanced CRC calculation unit

  • 17 x Timers

  • Built-in hardware algorithm

    • DES、AES、SHA、SM1、SM3、SM4、SM7

    • Provide a complete high-performance algorithm library

  • Encapsulation
    • W55MH32L : QFN100, 12 x 12(mm)
    • W55MH32Q: QFN68, 8 x 8(mm)

W55MH32

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W55MH32

W55MH32

The W55MH32 is a high-security, low-power MCU featuring a powerful Cortex-M3 core with rich peripherals in iMCU series. Its provides an advanced IoT connectivity to work on consumer and industrial applications.