| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89C51ID2-RLTUM | ATMEL CORP | 80C51 | 8-Bit | 60MHz | I²C, 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-LQFP | |
| ATMEGA1281-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 54 | 128KB (64K x 16) | FLASH | 4K x 8 | 8K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-TQFP | |
| ATXMEGA256A3-AU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART | 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-TQFP | |
| AT91SAM9G20B-CU | ATMEL CORP | ARM9 | 16/32-Bit | 400MHz | EBI/EMI, Ethernet, I²C, IrDA, ISI, Memory Card, SP | 96 | 64KB (64K x 8) | ROM | - | 96K x 8 | 0.9 V ~ 1.1 V | A/D 4x10b | Internal | -40°C ~ 85°C | 217-LFBGA | |
| ATMEGA1280-16AU | ATMEL CORP | AVR | 8-Bit | 16MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 128KB (64K 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 | |
| ATMEGA1280V-8AU | ATMEL CORP | AVR | 8-Bit | 8MHz | EBI/EMI, I²C, SPI, UART/USART | 86 | 128KB (64K 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 | |
| AT32UC3A0512-ALUT | ATMEL CORP | AVR | 32-Bit | 66MHz | EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB | 109 | 512KB (512K x 8) | FLASH | - | 64K x 8 | 1.65 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C | 144-LQFP | |
| AT91M55800A-33AU | ATMEL CORP | ARM7 | 16/32-Bit | 33MHz | EBI/EMI, SPI, UART/USART | 58 | - | ROMless | - | 8K x 8 | 2.7 V ~ 3.6 V | A/D 8x10b; D/A 2x10b | Internal | -40°C ~ 85°C | 176-LQFP | |
| ATMEGA128L-8MU | ATMEL CORP | AVR | 8-Bit | 8MHz | EBI/EMI, I²C, SPI, UART/USART | 53 | 128KB (64K x 16) | FLASH | 4K x 8 | 4K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| AT91SAM9G45C-CU | ATMEL CORP | ARM9 | 16/32-Bit | 400MHz | EBI/EMI, Ethernet, I²C, IrDA, Memory Card, SPI, SS | 160 | 64KB (64K x 8) | ROM | - | 128K x 8 | 0.9 V ~ 1.1 V | A/D 8x10b | Internal | -40°C ~ 85°C | 324-TFBGA |
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