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| PartNumber | W78E058B | W78E058B-40 | W78E058B-40DL |
| Description | |||
| Manufacturer | Nuvoton Technology Corporation of America | WINBOND | WINBOND |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | W78 | - | - |
| Packaging | Tube | - | - |
| Package Case | 40-DIP | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | - | - |
| Supplier Device Package | * | - | - |
| Number of I O | 32 | - | - |
| Speed | 40MHz | - | - |
| EEPROM Size | - | - | - |
| Core Processor | 8052 | - | - |
| RAM Size | 512 x 8 | - | - |
| Program Memory Type | FLASH | - | - |
| Peripherals | POR, WDT | - | - |
| Connectivity | EBI/EMI, UART/USART | - | - |
| Voltage Supply Vcc Vdd | 4.5 V ~ 5.5 V | - | - |
| Core Size | 8-Bit | - | - |
| Program Memory Size | 32KB (32K x 8) | - | - |
| Data Converters | - | - | - |
| Oscillator Type | Internal | - | - |