| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATMEGA324A-MCH | 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 | 44-VQFN Exposed Pad | |
| ATMEGA324A-MCHR | 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 | 44-VQFN Exposed Pad | |
| ATMEGA324PA-MCHR | 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 | 44-VQFN Exposed Pad | |
| ATMEGA324PA-MCH | 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 | 44-VQFN Exposed Pad | |
| ATMEGA324P-20MCU | ATMEL CORP | AVR | 8-Bit | 20MHz | I²C, SPI, UART/USART | 32 | 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 | 44-VQFN Exposed Pad | |
| ATMEGA324PV-10MCU | ATMEL CORP | AVR | 8-Bit | 10MHz | 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 | 44-VQFN Exposed Pad | |
| PIC18F4520-I/ML | MICROCHIP TECHNOLOGY INC | PIC | 8-Bit | 40MHz | I²C, SPI, UART/USART | 36 | 32KB (16K x 16) | FLASH | 256 x 8 | 1.5K x 8 | 4.2 V ~ 5.5 V | A/D 13x10b | Internal | -40°C ~ 85°C | 44-VQFN Exposed Pad | |
| PIC18LF45J11-I/ML | MICROCHIP TECHNOLOGY INC | PIC | 8-Bit | 48MHz | I²C, SPI, UART/USART | 34 | 32KB (16K x 16) | FLASH | - | 3.8K x 8 | 2 V ~ 3.6 V | A/D 13x10b | Internal | -40°C ~ 85°C | 44-VQFN Exposed Pad | |
| PIC18LF45J50-I/ML | MICROCHIP TECHNOLOGY INC | PIC | 8-Bit | 48MHz | I²C, SPI, UART/USART, USB | 34 | 32KB (16K x 16) | FLASH | - | 3.8K x 8 | 2 V ~ 3.6 V | A/D 13x10b | Internal | -40°C ~ 85°C | 44-VQFN Exposed Pad | |
| PIC18LF4520-I/ML | MICROCHIP TECHNOLOGY INC | PIC | 8-Bit | 40MHz | I²C, SPI, UART/USART | 36 | 32KB (16K x 16) | FLASH | 256 x 8 | 1.5K x 8 | 2 V ~ 5.5 V | A/D 13x10b | Internal | -40°C ~ 85°C | 44-VQFN Exposed Pad |
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