| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATUC64D4-Z1UT | ATMEL CORP | AVR | 32-Bit | 48MHz | I²C, SPI, UART/USART, USB | 35 | 64KB (64K x 8) | FLASH | - | 16K x 8 | 1.65 V ~ 3.6 V | A/D 6x10b | Internal | -40°C ~ 85°C | 48-VFQFN Exposed Pad | |
| ATMEGA325PA-AU | ATMEL CORP | AVR | 8-Bit | 20MHz | SPI, UART/USART, USI | 54 | 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 | 64-TQFP | |
| ATMEGA325PA-MU | ATMEL CORP | AVR | 8-Bit | 20MHz | SPI, UART/USART, USI | 54 | 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 | 64-VFQFN Exposed Pad | |
| ATMEGA329A-MU | ATMEL CORP | AVR | 8-Bit | 20MHz | SPI, UART/USART, USI | 54 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATMEGA325A-MN | ATMEL CORP | AVR | 8-Bit | 20MHz | SPI, UART/USART, USI | 54 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 64-VFQFN Exposed Pad | |
| ATMEGA325A-AN | ATMEL CORP | AVR | 8-Bit | 20MHz | SPI, UART/USART, USI | 54 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 64-TQFP | |
| ATSAM3N4BA-MU | ATMEL CORP | - | 32-Bit | 48MHz | I²C, IrDA, SPI, UART/USART | 47 | 256KB (256K x 8) | FLASH | - | 24K x 8 | 1.62 V ~ 3.6 V | A/D 10x10b, D/A 1x10b | Internal | -40°C ~ 85°C | 64-VFQFN Exposed Pad | |
| ATSAM4N8BA-AU | ATMEL CORP | - | 32-Bit | 100MHz | I²C, IrDA, SPI, UART/USART | 47 | 512KB (512K x 8) | FLASH | - | 64K x 8 | 1.62 V ~ 3.6 V | A/D 11x10b, D/A 1x10b | Internal | -40°C ~ 85°C | 64-LQFP | |
| ATMEGA324PA-CU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 85°C | 49-VFBGA | |
| ATMEGA324PA-PN | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 32KB (16K x 16) | FLASH | 1K x 8 | 2K x 8 | 1.8 V ~ 5.5 V | A/D 8x10b | Internal | -40°C ~ 105°C | 40-DIP (0.600, 15.24mm) |
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