ATMEGA1284P-MUR vs ATMEGA128A-AUR Comparison
Detailed side-by-side comparison of ATMEGA1284P-MUR by Microchip Technology and ATMEGA128A-AUR 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-MUR - 8-bit AVR MCU 20MHz 128KB Flash | Microchip
ATMEGA1284P-MUR ✓ ActiveMicrochip Technology
ATMEGA128A-AUR - 8-Bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284P-MUR | ATMEGA128A-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Max Clock Frequency | 20 MHz | — |
| Flash Program Memory | 128 KB (64K x 16), In-System Programmable | — |
| SRAM | 16 KB | 4KB |
| EEPROM | 4 KB | 4KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| General Purpose I/O Lines | 32 | — |
| USARTs | 2 | 2 |
| Timer/Counters | 3 (with compare modes and PWM) | — |
| ADC | 8-channel, 10-bit | — |
| Serial Interfaces | TWI (I2C, byte-oriented), SPI, 2x USART | TWI (I2C), SPI, 2x USART |
| Real Time Counter | Yes (RTC) | — |
| Working Registers | 32 x 8 general purpose | 32 general purpose |
| Instructions | 131 instructions, most single-cycle | — |
| Multiplier | On-chip 2-cycle hardware multiplier | — |
| Package | 44-VQFN (7x7 mm), exposed pad | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Debug / Programming | ISP (In-Circuit Serial Programming), JTAG | — |
| Life Cycle Stage | Active | — |
| Core Architecture | — | AVR 8-bit RISC |
| Flash Memory | — | 128KB (64K x 16) In-System Programmable |
| Maximum Clock Frequency | — | 16 MHz |
| I/O Lines | — | 53 |
| Instruction Set | — | 133 powerful instructions, most single-cycle |
| Timers/Counters | — | 4 flexible timer/counters with compare modes and PWM |
| Operating Temperature | — | Industrial range ([DATA_NEEDED: exact min/max C]) |
| Real-Time Counter | — | Yes |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |