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