ATMEGA1284P-MU vs ATMEGA324PA-MU Comparison
Detailed side-by-side comparison of ATMEGA1284P-MU by Microchip Technology and ATMEGA324PA-MU 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
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActiveMicrochip Technology
ATMEGA324PA-MU - 8-bit AVR MCU 32KB Flash 20MHz VQFN-44 | Microchip
ATMEGA324PA-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284P-MU | ATMEGA324PA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.10 | $2.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Max CPU Clock | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP, Read-While-Write | 32 KB (16K x 16) ISP Flash |
| EEPROM | 4 KB | 1 KB |
| SRAM | 16 KB | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| I/O Lines | 32 general purpose | — |
| USART | 2 | — |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| Real Time Counter (RTC) | Yes | — |
| 10-bit ADC | 8 channels | — |
| TWI (I2C) | 1, byte-oriented 2-wire | — |
| SPI | 1 | — |
| Watchdog Timer | Yes, programmable with on-chip oscillator | — |
| Package | 44-VQFN (7x7 mm) with Exposed Pad | 44-VQFN (7 x 7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: temperature range for -MU speed grade] | [DATA_NEEDED: operating temperature range] |
| Programming Interface | ISP via SPI, self-programming boot support | — |
| RoHS Status | Compliant (per Microchip product page) | Compliant |
| Maximum Clock Frequency | — | 20 MHz |
| Supply Voltage | — | 2.5 V / 3.3 V / 5 V |
| Number of I/O | — | 32 general purpose I/O lines |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| Programming Method | — | In-System Programmable (ISP), read-while-write |
| Power Technology | — | picoPower low-power modes |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution in bits] |
| ECCN | — | EAR99 |
| Lifecycle Stage | — | ACTIVE |