| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AT89C51RC2-RLTUL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 44-LQFP | |
| AT89C5115-SISUM | ATMEL CORP | 80C51 | 8-Bit | 40MHz | UART/USART | 20 | 16KB (16K x 8) | FLASH | 2K x 8 | 512 x 8 | 3 V ~ 5.5 V | A/D 8x10b | External | -40°C ~ 85°C | 28-LCC (J-Lead) | |
| AT89C51RC2-SLSUL | ATMEL CORP | 80C51 | 8-Bit | 40MHz | SPI, UART/USART | 32 | 32KB (32K x 8) | FLASH | - | 1.25K x 8 | 2.7 V ~ 3.6 V | - | External | -40°C ~ 85°C | 44-LCC (J-Lead) | |
| ATMEGA128A-MN | ATMEL CORP | AVR | 8-Bit | 16MHz | 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 ~ 105°C | 64-VFQFN Exposed Pad | |
| AT32UC3A4128-C1UT | ATMEL CORP | AVR | 32-Bit | 66MHz | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/US | 88 | 128KB (128K x 8) | FLASH | - | 128K x 8 | 1.75 V ~ 3.6 V | A/D 8x10b | Internal | -40°C ~ 85°C | 100-VFBGA | |
| AT32UC3C2128C-A2UT | ATMEL CORP | AVR | 32-Bit | 66MHz | CAN, Ethernet, I²C, IrDA, LIN, SPI, UART/USART, US | 45 | 128KB (128K x 8) | FLASH | - | 32K x 8 | 3 V ~ 5.5 V | A/D 11x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 64-TQFP | |
| AT32UC3C2128C-Z2UT | ATMEL CORP | AVR | 32-Bit | 66MHz | CAN, Ethernet, I²C, IrDA, LIN, SPI, UART/USART, US | 45 | 128KB (128K x 8) | FLASH | - | 32K x 8 | 3 V ~ 5.5 V | A/D 11x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATUC256L4U-ZAUT | ATMEL CORP | AVR | 32-Bit | 50MHz | I²C, SPI, UART/USART, USB | 36 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 1.62 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 48-VFQFN Exposed Pad | |
| ATUC256L4U-AUT | ATMEL CORP | AVR | 32-Bit | 50MHz | I²C, SPI, UART/USART, USB | 36 | 256KB (256K x 8) | FLASH | - | 32K x 8 | 1.62 V ~ 3.6 V | A/D 8x12b | Internal | -40°C ~ 85°C | 48-TQFP | |
| ATMEGA406-1AAU | ATMEL CORP | AVR | 8-Bit | 1MHz | I²C | 18 | 40KB (20K x 16) | FLASH | 512 x 8 | 2K x 8 | 4 V ~ 25 V | A/D 10x12b | Internal | -30°C ~ 85°C | 48-LQFP |
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