ATMEGA1284-MU vs ATMEGA1284P-MU Comparison
Detailed side-by-side comparison of ATMEGA1284-MU by Microchip Technology and ATMEGA1284P-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
ATMEGA1284-MU - 8-bit AVR MCU, 128KB Flash, 20MHz | Microchip (Tape & Reel)
ATMEGA1284-MU ✓ ActiveMicrochip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284-MU | ATMEGA1284P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.72 | $4.10 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) | 128 KB (64K x 16) ISP, Read-While-Write |
| SRAM | 16 KB | 16 KB |
| EEPROM | 4 KB | 4 KB |
| 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 | — |
| Package | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Product Status | Active | — |
| Architecture | AVR enhanced RISC, 133 instructions, mostly single-cycle | — |
| Core Architecture | — | 8-bit AVR RISC |
| Max CPU Clock | — | 20 MHz |
| 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 |
| Operating Temperature | — | [DATA_NEEDED: temperature range for -MU speed grade] |
| Programming Interface | — | ISP via SPI, self-programming boot support |
| RoHS Status | — | Compliant (per Microchip product page) |