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Nuvoton W77E532A40FL - High-Performance 8-Bit Microcontroller

The W77E532A40FL from Nuvoton Technology Corporation is a premium 8-bit microcontroller based on the proven 8051 core architecture, engineered for demanding embedded and industrial applications. Operating at 40MHz with 128KB Flash memory and 1KB RAM, this MCU delivers reliable performance for control systems, automation, and IoT devices.

Key Features & Benefits

  • High-Speed Processing: 40MHz clock speed ensures rapid execution for time-critical applications
  • Generous Memory: 128KB Flash program memory with 1KB RAM for complex firmware
  • Rich Connectivity: EBI/EMI and Serial Port interfaces for versatile system integration
  • Robust I/O: 36 programmable I/O pins for flexible peripheral control
  • Built-in Protection: Power-On Reset (POR) and Watchdog Timer (WDT) for system reliability
  • Industrial-Grade: 0°C to 70°C operating range with 4.5V-5.5V supply voltage
  • Compact Package: 44-BQFP surface mount package for space-efficient designs

Ideal Applications

Perfect for industrial automation, motor control, sensor networks, data acquisition systems, and embedded control applications requiring proven 8051 architecture with modern Flash-based flexibility.


Why Choose HQICKEY?

As an authorized distributor, we guarantee authentic Nuvoton components with full traceability, lifecycle support, and engineering-focused technical resources to accelerate your design decisions.

Related Resources

Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series W77
Packaging | Tray
Core Processor 8051
Core Size 8-Bit
Speed 40MHz
Connectivity EBI/EMI, Serial Port
Peripherals POR, WDT
Number of I/O 36
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 4.5V ~ 5.5V
Data Converters -
Oscillator Type Internal
Operating Temperature 0°C ~ 70°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 44-BQFP
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