ATMEGA324A-MU vs ATMEGA1284-MUR Comparison
Detailed side-by-side comparison of ATMEGA324A-MU by Microchip Technology and ATMEGA1284-MUR 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-MU - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324A-MU ✓ ActiveMicrochip Technology
ATMEGA1284-MUR - 8-bit AVR MCU, 128KB Flash, 20MHz | Microchip
ATMEGA1284-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324A-MU | ATMEGA1284-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Memory | 32 KB ISP Flash (read-while-write) | 128 KB (64K x 16) |
| EEPROM | 1 KB | 4 KB |
| SRAM | 2 KB | 16 KB |
| Maximum Clock Frequency | 20 MHz | — |
| General Purpose I/O Lines | 32 | — |
| Working Registers | 32 general purpose | — |
| Supply Voltage Class | 2.5 V / 3.3 V / 5 V systems | — |
| Package | 44-VFQFN Exposed Pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Throughput | Up to ~1 MIPS per MHz | — |
| Real Time Counter | Yes | — |
| Lifecycle Status | Active | — |
| Packaging | Tape & Reel | Tape & Reel (TR) |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Supply Voltage Range (Vcc min-max) | [DATA_NEEDED: full Vcc min-max range] | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 20 MHz |
| Operating Voltage | — | 2.5 V / 3.3 V / 5 V |
| Number of I/O | — | 32 |
| Connectivity | — | I2C, SPI, UART/USART |
| USARTs | — | 2 |
| ADC Resolution | — | 10-bit |
| Timers | — | 3 x timer/counter with compare modes and PWM |
| Real-Time Counter | — | Yes |
| Product Status | — | Active |
| Architecture | — | AVR enhanced RISC, 133 instructions, mostly single-cycle |