 |  | | |
| PartNumber | W78E858A40DL | W78E858A40FL | W78E858 |
| Description | IC MCU 8BIT 32KB FLASH 40DIP | IC MCU 8BIT 32KB FLASH 44QFP | |
| Manufacturer | - | Nuvoton Technology Corporation of America | Nuvoton Technology Corporation of America |
| Product Category | - | Embedded - Microcontrollers | Embedded - Microcontrollers |
| Series | - | W78 | W78 |
| Packaging | - | Tray | Tube |
| Package Case | - | 44-BQFP | 40-DIP |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Supplier Device Package | - | * | * |
| Number of I O | - | 36 | 32 |
| Speed | - | 40MHz | 40MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | 8052 | 8052 |
| RAM Size | - | 768 x 8 | 768 x 8 |
| Program Memory Type | - | FLASH | FLASH |
| Peripherals | - | POR, PWM, WDT | POR, PWM, 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 | - | - | - |
| Oscillator Type | - | Internal | Internal |