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| PartNumber | W78E378 | W78E378A10PL | W78E378P |
| Description | IC MCU 8BIT 32KB FLASH 44PLCC | IC MCU 8BIT 32KB FLASH 44PLCC | |
| Manufacturer | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America | WINBOND |
| Product Category | Embedded - Microcontrollers | Embedded - Microcontrollers | IC Chips |
| Series | W78 | W78 | - |
| Packaging | Tube | Tube | - |
| Package Case | 44-LCC (J-Lead) | 44-LCC (J-Lead) | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | - |
| Supplier Device Package | 44-PLCC (16.59x16.59) | 44-PLCC (16.59x16.59) | - |
| Number of I O | 25 | 25 | - |
| Speed | 10MHz | 10MHz | - |
| EEPROM Size | - | - | - |
| Core Processor | 80C31 | - | |
| RAM Size | 576 x 8 | 576 x 8 | - |
| Program Memory Type | FLASH | FLASH | - |
| Peripherals | LVD, POR, WDT | LVD, POR, WDT | - |
| Connectivity | EBI/EMI, Serial Port | EBI/EMI, Serial Port | - |
| Voltage Supply Vcc Vdd | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | - |
| Core Size | 8-Bit | 8-Bit | - |
| Program Memory Size | 32KB (32K x 8) | 32KB (32K x 8) | - |
| Data Converters | A/D 7x8b; D/A 11x8b | A/D 7x8b; D/A 11x8b | - |
| Oscillator Type | Internal | Internal | - |