| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89C51ED2-RDRUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT89C51ED2-SMSUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 68-PLCC | |
| AT89C51ED2-RDTUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 64-LQFP | |
| AT89C51ED2-RDTIM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT89C51ED2-SMRIM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 68-PLCC | |
| AT89C51ED2-RDRIM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT89C51ED2-SMRUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 50 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 68-PLCC | |
| PXAS37KBA,512 | NXP SEMICONDUCTORS | XA | 16-Bit | 30MHz | EBI/EMI, I²C, UART/USART | 50 | 32KB (32K x 8) | OTP | - | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x8b | External | 0°C ~ 70°C | 68-LCC (J-Lead) | |
| PXAS30KBBE,557 | NXP SEMICONDUCTORS | XA | 16-Bit | 30MHz | EBI/EMI, I²C, UART/USART | 50 | - | ROMless | - | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x8b | External | 0°C ~ 70°C | 80-LQFP | |
| PXAS37KBBE,557 | NXP SEMICONDUCTORS | XA | 16-Bit | 30MHz | EBI/EMI, I²C, UART/USART | 50 | 32KB (32K x 8) | OTP | - | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x8b | External | 0°C ~ 70°C | 80-LQFP |
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