| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA168PV-10AUR | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA168A-AU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA16U2-AU | ATMEL CORP | AVR | 8-Bit | 16MHz | SPI, UART/USART, USB | 22 | 16KB (8K x 16) | FLASH | 512 x 8 | 512 x 8 | 2.7 V ~ 5.5 V | - | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA168V-10AU | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA168-20AU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATXMEGA16E5-AU | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART | 26 | 16KB (8K x 16) | FLASH | 512 x 8 | 2K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA168PV-10AN | ATMEL CORP | AVR | 8-Bit | 10MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 32-TQFP | |
| ATMEGA168P-20AN | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 32-TQFP | |
| ATXMEGA16E5-AUR | ATMEL CORP | AVR | 8/16-Bit | 32MHz | I²C, IrDA, SPI, UART/USART | 26 | 16KB (8K x 16) | FLASH | 512 x 8 | 2K x 8 | 1.6 V ~ 3.6 V | A/D 16x12b, D/A 2x12b | Internal | -40°C ~ 85°C | 32-TQFP | |
| ATMEGA168-15AT | ATMEL CORP | AVR | 8-Bit | 16MHz | I²C, SPI, UART/USART | 23 | 16KB (8K x 16) | FLASH | 512 x 8 | 1K x 8 | 2.7 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 32-TQFP |
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