| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89LP51RB2-20MU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 24KB (24K x 8) | FLASH | - | 1.375K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-VFQFN Exposed Pad | |
| AT89LP51RB2-20JU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 24KB (24K x 8) | FLASH | - | 1.375K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| AT89LP51RB2-20AU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 24KB (24K x 8) | FLASH | - | 1.375K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LQFP | |
| AT89LP51RB2-20AAU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 24KB (24K x 8) | FLASH | - | 1.375K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LQFP | |
| AT89LP51RB2-20PU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 37 | 24KB (24K x 8) | FLASH | - | 1.375K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 40-DIP (0.540,13.72mm) | |
| UPD78F0502AMC-CAB-AX | RENESAS ELECTRONICS CORP | 78K/0 | 8-Bit | 20MHz | 3-Wire SIO, I²C, LIN, UART/USART | 23 | 24KB (24K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 4x10b | Internal | -40°C ~ 85°C | 30-LSSOP (0.240, 6.10mm Width) | |
| UPD78F0512AMC-GAA-AX | RENESAS ELECTRONICS CORP | 78K/0 | 8-Bit | 20MHz | 3-Wire SIO, I²C, LIN, UART/USART | 31 | 24KB (24K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 6x10b | Internal | -40°C ~ 85°C | 38-SSOP | |
| UPD78F0502AFC-AA3-A | RENESAS ELECTRONICS CORP | 78K/0 | 8-Bit | 20MHz | 3-Wire SIO, I²C, LIN, UART/USART | 23 | 24KB (24K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 4x10b | Internal | -40°C ~ 85°C | 36-VFLGA | |
| UPD78F0512AGA-GAM-AX | RENESAS ELECTRONICS CORP | 78K/0 | 8-Bit | 20MHz | 3-Wire SIO, I²C, LIN, UART/USART | 41 | 24KB (24K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 48-LQFP | |
| UPD78F0512AGB-GAF-AX | RENESAS ELECTRONICS CORP | 78K/0 | 8-Bit | 20MHz | 3-Wire SIO, I²C, LIN, UART/USART | 37 | 24KB (24K x 8) | FLASH | - | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-LQFP |
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