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 β ActiveMicrochip Technology
ATMEGA1284-MUR - 8-bit AVR MCU, 128KB Flash, 20MHz | Microchip
ATMEGA1284-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA324A-MU | ATMEGA1284-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.90 | $1.72 |
| Core Architecture | 8-bit AVR RISC | β |
| 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 | β |
| General Purpose I/O Lines | 32 | β |
| Working Registers | 32 general purpose | β |
| Supply Voltage Class | 2.5 V / 3.3 V / 5 V systems | β |
| Package | 44-VFQFN Exposed Pad | 44-VQFN (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | β |
| Instructions | 131 powerful instructions, most single-cycle | β |
| Throughput | Up to ~1 MIPS per MHz | β |
| Real Time Counter | Yes | β |
| Lifecycle Status | Active | β |
| Packaging | Tape & Reel | Tape & Reel (TR) |
| RoHS Status | [DATA_NEEDED: RoHS status] | β |
| Supply Voltage Range (Vcc min-max) | [DATA_NEEDED: full Vcc min-max range] | β |
| Core Processor | β | AVR |
| Core Size | β | 8-Bit |
| Speed | β | 20 MHz |
| Operating Voltage | β | 2.5 V / 3.3 V / 5 V |
| Number of I/O | β | 32 |
| Connectivity | β | I2C, SPI, UART/USART |
| USARTs | β | 2 |
| ADC Resolution | β | 10-bit |
| Timers | β | 3 x timer/counter with compare modes and PWM |
| Real-Time Counter | β | Yes |
| Product Status | β | Active |
| Architecture | β | AVR enhanced RISC, 133 instructions, mostly single-cycle |