| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89C51IC2-RLRIL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | I²C, SPI, UART/USART | 34 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT91SAM9N12-CUR | ATMEL CORP | ARM9 | 16/32-Bit | 400MHz | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, U | 105 | 128KB (128K x 8) | ROM | - | 32K x 8 | 0.9 V ~ 1.1 V | A/D 12x10b | Internal | -40°C ~ 85°C | 217-LFBGA | |
| AT89C51ED2-SLRUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | SPI, UART/USART | 34 | 64KB (64K x 8) | FLASH | 2K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| ATMEGA640V-8AUR | ATMEL CORP | AVR | 8-Bit | 8MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 64KB (32K x 16) | FLASH | 4K x 8 | 8K x 8 | 1.8 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA640-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 64KB (32K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 16x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA6450-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 68 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA6450V-8AUR | ATMEL CORP | AVR | 8-Bit | 8MHz | SPI, UART/USART, USI | 68 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATMEGA64-16MUR | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 53 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATMEGA64L-8MUR | ATMEL CORP | AVR | 8-Bit | 8MHz | I²C, SPI, UART/USART | 53 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| AT91SAM7S128D-AU-999 | ATMEL CORP | ARM7 | 16/32-Bit | 55MHz | I²C, SPI, SSC, UART/USART, USB | 32 | 128KB (128K x 8) | FLASH | - | 32K x 8 | 1.65 V ~ 1.95 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-LQFP |
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