W79E658A40FL
IC MCU 8BIT 128KB FLASH 100QFP
Embedded Microcontrollers
100-BQFP
W79
Active
$4.19 / unit (market reference)
MOQ: 132 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Nuvoton Technology Corporation of America |
| Model | W79E658A40FL |
| Package / Case | 100-BQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Core Processor | 8051 |
| Speed | 40MHz |
| Program Memory Size | 128KB (128K x 8) |
| RAM Size | 1.25K x 8 |
| Number of I/O | 60 |
| Data Converters | A/D 8x10b |
| Voltage - Supply | 4.5V ~ 5.5V |
| Connectivity | EBI/EMI, I²C, UART/USART |
| Peripherals | POR, PWM, WDT |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
W79E658A40FL by Nuvoton Technology Corporation of America is a 8051 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 100-BQFP package fits automated SMT assembly. Operating temperature is 0°C ~ 70°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 40MHz |
| RAM Size | 1.25K x 8 |
| Core Size | 8-Bit |
| Peripherals | POR, PWM, WDT |
| Connectivity | EBI/EMI, I²C, UART/USART |
| Number of I/O | 60 |
| Core Processor | 8051 |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V |
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