| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W78E058DFG | NUVOTON TECHNOLOGY CORP | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | 36 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 2.4 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-BQFP | |
| N78E059AFG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 40MHz | EBI/EMI, SPI, UART/USART | 36 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 44-BQFP | |
| W78E858A40FL | NUVOTON TECHNOLOGY CORP | 8052 | 8-Bit | 40MHz | EBI/EMI, Serial Port | 36 | 32KB (32K x 8) | FLASH | - | 768 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-BQFP | |
| W77E058A40FL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 40MHz | EBI/EMI, Serial Port | 36 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-BQFP | |
| W77L058A25FL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 25MHz | EBI/EMI, Serial Port | 36 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 2.7 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-BQFP | |
| W78E058B40FL | NUVOTON TECHNOLOGY CORP | 8052 | 8-Bit | 40MHz | EBI/EMI, UART/USART | 36 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 4.5 V ~ 5.5 V | - | Internal | 0°C ~ 70°C | 44-BQFP | |
| W78L058A24FL | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | EBI/EMI, UART/USART | 36 | 32KB (32K x 8) | FLASH | - | 512 x 8 | 2.4 V ~ 5.5 V | - | Internal | 0°C ~ 60°C | 44-BQFP | |
| Z51F3220FNX | ZILOG INC | 8051 | 8-Bit | 16MHz | I²C, SPI, UART/USART | 42 | 32KB (32K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 16x12b | Internal | -40°C ~ 85°C | 44-BQFP |
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