Nuvoton Technology Corporation W77E058A40FL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| 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 | 32KB (32K 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 |
| ROHS |
The Nuvoton W77E058A40FL is a robust 8051 microcontroller with 32KB of on-chip flash memory. Running at 40MHz, it provides high throughput for real-time embedded applications. The 44-BQFP package offers excellent thermal performance and is suitable for automated assembly. Integrated POR and WDT ensure dependable operation in industrial and automotive environments.
- Large Program Memory: 32KB flash supports complex firmware without external memory, reducing BOM cost.
- Fast Execution: 40MHz clock delivers 2.5x faster processing than legacy 8051s, enabling advanced features.
- Robust Package: 44-BQFP provides good heat dissipation and mechanical stability for harsh environments.
- System Safety: POR and WDT prevent data corruption and system hangs, critical for unattended operation.
Automotive Engine Control Units
The 40MHz speed and 32KB flash enable complex fuel injection algorithms, while the 5V supply matches automotive power rails.
Industrial Automation HMI Panels
With 1K RAM for display buffering and fast GPIO, it drives simple graphical interfaces and keypad scanning in factory equipment.
Smart Energy Meters
The 32KB flash stores calibration data and tariff tables, while WDT ensures continuous metering accuracy in harsh grid conditions.
Robotics Controllers
High-speed PWM generation and interrupt response make it suitable for servo motor control in educational and light industrial robots.
Security Access Panels
Its 40MHz processing handles encryption routines for keypad entry systems, with BQFP package allowing secure PCB potting.
HVAC Zone Controllers
The 5V operation interfaces directly with legacy thermostats and damper actuators, simplifying retrofit installations.
- Q: How much flash memory does the W77E058A40FL have?
- A: It includes 32KB (32K x 8) of program memory.
- Q: What is the maximum clock frequency?
- A: It supports up to 40MHz operation.
- Q: What package type is used?
- A: It is available in a 44-BQFP package.
- Q: Does it have a watchdog timer?
- A: Yes, it features both POR and WDT for enhanced reliability.
- Q: How much flash memory does the W77E058A40FL have?
- A: It includes 32KB (32K x 8) of program memory.
- Q: What is the maximum clock frequency?
- A: It supports up to 40MHz operation.
- Q: What package type is used?
- A: It is available in a 44-BQFP package.
- Q: Does it have a watchdog timer?
- A: Yes, it features both POR and WDT for enhanced reliability.

W77E058A40FL.pdf