| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA32U4-AU | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART, USB | 26 | 32KB (16K x 16) | FLASH | 1K x 8 | 2.5K x 8 | 2.7 V ~ 5.5 V | A/D 12x10b | Internal | -40°C ~ 85°C | 44-TQFP | |
| AT89LP51ED2-20JU | ATMEL CORP | 8051 | 8-Bit | 20MHz | EBI/EMI, I²C, SPI, UART/USART | 40 | 64KB (64K x 8) | FLASH | 4K x 8 | 2.25K x 8 | 2.4 V ~ 5.5 V | A/D 7x10b | Internal | -40°C ~ 85°C | 44-LCC, 44-PLCC | |
| ATSAM3U2CA-AU | ATMEL CORP | - | 32-Bit | 96MHz | EBI/EMI, I²C, Memory Card, SPI, SSC, UART/USART, U | 57 | 128KB (128K x 8) | FLASH | - | 36K x 8 | 1.62 V ~ 1.95 V | A/D 4x10b, 4x12b | Internal | -40°C ~ 85°C | 100-LQFP | |
| AT90USB1286-MUR | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART, USB, USB OTG | 48 | 128KB (128K x 8) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| AT90CAN128-16AUR | ATMEL CORP | AVR | 8-Bit | 16MHz | CAN, EBI/EMI, I²C, SPI, UART/USART | 53 | 128KB (128K x 8) | FLASH | 4K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-LQFP | |
| ATMEGA32M1-AU | ATMEL CORP | AVR | 8-Bit | 16MHz | CAN, LIN, SPI, UART/USART | - | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 11x10b; D/A 1x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATXMEGA256A3U-MH | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART, USB | 50 | 256KB (128K x 16) | FLASH | 4K x 8 | 16K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b; D/A 2x12b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| AT90CAN32-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | CAN, EBI/EMI, I²C, SPI, UART/USART | 53 | 32KB (32K x 8) | FLASH | 1K x 8 | 2K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-LQFP | |
| ATSAM3S4BA-AU | ATMEL CORP | - | 32-Bit | 64MHz | I²C, MMC, SPI, SSC, UART/USART, USB | 47 | 256KB (256K x 8) | FLASH | - | 48K x 8 | 1.62 V ~ 1.95 V | A/D 10x10/12b, D/A 2x12b | Internal | -40°C ~ 85°C | 64-LQFP | |
| ATMEGA1284-PU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 128KB (64K x 16) | FLASH | 4K x 8 | 16K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 40-DIP (0.600, 15.24mm) |
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