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Regular price $94,999.99
Regular price $99,999.99 Sale price $94,999.99
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100+ $74,999.99 $7,499,999.00
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Product attributes Property Value
Manufacturer Nuvoton Technology Corporation
Product Series W77
Packaging | Tube
Core Processor 8051
Core Size 8-Bit
Speed 25MHz
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) 2.7V ~ 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-LCC (J-Lead)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

W77L532A25PL - High-Performance 8-Bit Microcontroller

The W77L532A25PL from Nuvoton Technology Corporation is a powerful 8-bit microcontroller based on the industry-standard 8051 core architecture. Designed for embedded systems and industrial applications, this microcontroller delivers exceptional performance with its 25MHz operating speed and comprehensive peripheral set.

Key Features & Benefits

  • High-Speed Processing: 25MHz clock speed ensures fast execution of complex tasks
  • Generous Memory: 128KB Flash program memory and 1K x 8 RAM for extensive code and data storage
  • Flexible I/O: 36 programmable I/O pins provide versatile connectivity options
  • Wide Voltage Range: Operates from 2.7V to 5.5V, compatible with various power supply configurations
  • Built-in Peripherals: Includes EBI/EMI interface, serial port, POR (Power-On Reset), and WDT (Watchdog Timer)
  • Reliable Design: Internal oscillator and surface mount 44-LCC package for robust performance

Ideal Applications

This microcontroller is perfect for industrial control systems, automation equipment, consumer electronics, data acquisition systems, and embedded applications requiring reliable 8-bit processing power. The W77L532A25PL's combination of speed, memory, and I/O capabilities makes it an excellent choice for both prototyping and production environments.


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