| Part Numbers | Manufacturer Name | Datasheet | Core Processor | Core Size | Speed | Connectivity | RAM Size | Number of I/O | Program Memory Size | Program Memory Type | EEPROM Size | Voltage - Supply (Vcc/Vdd) | Data Converters | Oscillator Type | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W78C438C40FL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | 40 | - | ROMless | - | 256 x 8 | 4.5 V ~ 5.5 V | - | External | 0°C ~ 70°C | 100-QFP | |
| W925E240FG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 3.6MHz | Serial Port | 40 | 256KB (256K x 8) | FLASH | - | 8K x 8 | 2.2 V ~ 6 V | - | Internal | 0°C ~ 75°C | 100-QFP |
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