| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C8051T635-GM | SILICON LABORATORIES INC | 8051 | 8-Bit | 25MHz | SMBus (2-Wire/I²C), SPI, UART/USART | 17 | 2KB (2K x 8) | OTP | - | 768 x 8 | 1.8 V ~ 3.6 V | - | Internal | -40°C ~ 85°C | 20-VFQFN Exposed Pad | |
| W79E2051ASG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-SOIC (0.295, 7.50mm Width) | |
| W79E2051ARG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-SSOP (0.209, 5.30mm Width) | |
| W79E2051RAKG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-DIP Module | |
| W79E2051RASG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-SOIC (0.295, 7.50mm Width) | |
| W79E2051RARG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-SSOP (0.209, 5.30mm Width) | |
| W79E2051AKG | NUVOTON TECHNOLOGY CORP | 8051 | 8-Bit | 24MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | 128 x 8 | 256 x 8 | 2.4 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 20-DIP Module | |
| R5F2M120ANSP#U0 | RENESAS ELECTRONICS CORP | R8C | 16-Bit | 20MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.5 V | A/D 6x10b | Internal | -20°C ~ 85°C | 20-LSSOP (0.173, 4.40mm Width) | |
| R5F2M120ADSP#U0 | RENESAS ELECTRONICS CORP | R8C | 16-Bit | 20MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.5 V | A/D 6x10b | Internal | -40°C ~ 85°C | 20-LSSOP (0.173, 4.40mm Width) | |
| R5F2M120ANDD#U0 | RENESAS ELECTRONICS CORP | R8C | 16-Bit | 20MHz | UART/USART | 17 | 2KB (2K x 8) | FLASH | - | 256 x 8 | 1.8 V ~ 5.5 V | A/D 6x10b | Internal | -20°C ~ 85°C | 20-DIP (0.300, 7.62mm) |
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