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Normaler Preis $94,999.99
Normaler Preis $99,999.99 Verkaufspreis $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 W79
Packaging | Tube
Core Processor 8051
Core Size 8-Bit
Speed 40MHz
Connectivity EBI/EMI, UART/USART
Peripherals POR, PWM, WDT
Number of I/O 36
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 1.25K x 8
Voltage - Supply (Vcc/Vdd) 3V ~ 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
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Nuvoton W79E632A40FL is a high-speed 8051-based MCU with a 40MHz core, 128KB flash, and 1.25KB RAM. It operates from 3V to 5.5V and includes POR, PWM, and WDT. Housed in a 44-pin BQFP, it is designed for commercial temperature ranges (0°C to 70°C), making it suitable for industrial control, POS, and networking applications requiring large code storage.

  • Large 128KB flash: Accommodates complex firmware without external memory.
  • 40MHz 8051 core: Delivers high performance for legacy 8051 code migration.
  • Wide voltage range (3V-5.5V): Provides design flexibility for mixed-voltage systems.
  • 44-pin BQFP package: Offers good thermal dissipation and compact footprint.

Industrial Automation Controllers

128KB flash and 1.25KB RAM support complex ladder logic and communication protocols at 40MHz.

Point-of-Sale Terminals

5V operation and 40MHz speed handle barcode scanning and printer control in retail environments.

Building Management Systems

Robust I/O and PWM enable HVAC damper control and lighting scheduling in commercial buildings.

Medical Monitoring Equipment

3V-5.5V range allows flexible power design for patient monitors and diagnostic devices.

Networking Equipment

High-speed 8051 core manages data buffering and status LEDs in switches and routers.

Test and Measurement

Large memory stores calibration tables and measurement routines for benchtop instruments.

Q: What is the operating voltage?
A: It operates from 3V to 5.5V, compatible with legacy 5V systems.
Q: What is the maximum clock speed?
A: The 8051 core runs at up to 40MHz, offering high instruction throughput.
Q: How much program memory is available?
A: It has 128KB flash (128K x 8) for large application code.
Q: What package is this?
A: It comes in a 44-pin BQFP (quad flat pack) for surface-mount assembly.
Base Product Number : W79E632A
1.25KB RAM 128KB flash 40MHz 8-bit MCU 8051 core BQFP-44 industrial POS PWM WDT
Q: What is the operating voltage?
A: It operates from 3V to 5.5V, compatible with legacy 5V systems.
Q: What is the maximum clock speed?
A: The 8051 core runs at up to 40MHz, offering high instruction throughput.
Q: How much program memory is available?
A: It has 128KB flash (128K x 8) for large application code.
Q: What package is this?
A: It comes in a 44-pin BQFP (quad flat pack) for surface-mount assembly.