| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA164PA-CU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 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 | 49-VFBGA | |
| ATMEGA324A-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-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 | |
| ATMEGA164PA-CUR | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 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 | 49-VFBGA | |
| ATMEGA324A-CUR | 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 | |
| ATMEGA164A-CUR | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 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 | 49-VFBGA | |
| ATMEGA324PA-CUR | 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 | |
| ATMEGA164A-CU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 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 | 49-VFBGA |
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