ATMEGA324A-MCHR vs ATMEGA324PA-MCHR Comparison
Detailed side-by-side comparison of ATMEGA324A-MCHR by Microchip Technology and ATMEGA324PA-MCHR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA324A-MCHR - 8-bit AVR MCU 32KB Flash 20MHz VQFN-44 | Microchip
ATMEGA324A-MCHR ✓ ActiveMicrochip Technology
ATMEGA324PA-MCHR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-MCHR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324A-MCHR | ATMEGA324PA-MCHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $2.55 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB ISP Flash (read-while-write) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Instructions | 131 instructions, most single-cycle | 131 instructions, most single-cycle execution |
| General Purpose I/O | 32 I/O lines | — |
| Working Registers | 32 x 8-bit general purpose | — |
| Minimum Supply Voltage | 1.80 V | — |
| Supply Voltage Range | [DATA_NEEDED: operating supply voltage range] | — |
| Timers | 3 timers with PWM (real time counter included) | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| ADC | 10-bit ADC | — |
| Package | VQFN-44 (MLF), 44QFN with exposed pad | 44-QFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range (see datasheet for exact limits) | -40C to +85C (industrial) |
| Programming | In-System Programmable (ISP) | ICSP in-system programmable Flash with read-while-write |
| Lifecycle Status | Active | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Flash Memory Size | — | 32 KB (16K x 16) |
| EEPROM Size | — | 1 KB |
| SRAM Size | — | 2 KB |
| Number of I/O | — | 32 |
| General Purpose Registers | — | 32 |
| Supply Voltage | — | 2.5 V / 3.3 V / 5 V |
| MIPS per MHz | — | Up to 1 MIPS/MHz |
| Low Power Technology | — | picoPower |
| Debug / Scan | — | JTAG (on-chip debug and boundary scan) |
| Life Cycle Stage | — | ACTIVE |