| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT91M42800A-33CJ | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LFBGA | |
| AT91M42800A-33AU-999 | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LQFP | |
| AT91M42800A-33CJ-999 | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LFBGA | |
| AT91M42800A-33AU | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LQFP | |
| AT91M42800A-33CI | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LFBGA | |
| AT91M42800A-33AI SL383 | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LQFP | |
| AT91M42800A-33CI SL383 | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 54 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 144-LFBGA | |
| MCF51AC256AVPUE | FREESCALE SEMICONDUCTOR INC | Coldfire V1 | 32-Bit | 50MHz | CAN, I²C, SCI, SPI | 54 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 2.7 V ~ 5.5 V | A/D 20x12b | External | -40°C ~ 105°C | 64-LQFP | |
| MCF51AC128ACFUE | FREESCALE SEMICONDUCTOR INC | Coldfire V1 | 32-Bit | 50MHz | CAN, I²C, SCI, SPI | 54 | 128KB (128K x 8) | FLASH | - | 32K x 8 | 2.7 V ~ 5.5 V | A/D 20x12b | External | -40°C ~ 85°C | 64-QFP | |
| MCF51AC256ACPUE | FREESCALE SEMICONDUCTOR INC | Coldfire V1 | 32-Bit | 50MHz | CAN, I²C, SCI, SPI | 54 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 2.7 V ~ 5.5 V | A/D 20x12b | External | -40°C ~ 85°C | 64-LQFP |
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