| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA649A-AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 54 | 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 | 64-TQFP | |
| ATMEGA645P-AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USI | 54 | 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 | 64-TQFP | |
| ATXMEGA64A1-AUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | EBI/EMI, I²C, IrDA, SPI, UART/USART | 78 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b, D/A 4x12b | Internal | -40°C ~ 85°C | 100-TQFP | |
| ATSAM4LS4AA-MUR | ATMEL CORP | - | 32-Bit | 48MHz | I²C, IrDA, LIN, SPI, UART/USART, USB | 32 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 1.68 V ~ 3.6 V | A/D 3x12b, D/A 1x10b | Internal | -40°C ~ 85°C | 48-VFQFN Exposed Pad | |
| ATMEGA32-16MUR | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-VFQFN Exposed Pad | |
| ATMEGA32-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 4.5 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| ATMEGA32L-8MUR | ATMEL CORP | AVR | 8-Bit | 8MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-VFQFN Exposed Pad | |
| ATMEGA32L-8AUR | ATMEL CORP | AVR | 8-Bit | 8MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| ATXMEGA64A3-MHR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART | 50 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATMEGA644P-20MQR | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 64KB (32K x 16) | FLASH | 2K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 44-VFQFN Exposed Pad |
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