ATMEGA1284P-AU vs ATMEGA1284P-MU Comparison
Detailed side-by-side comparison of ATMEGA1284P-AU 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
ATMEGA1284P-AU - 8-bit AVR MCU 128KB Flash 20MHz TQFP-44
ATMEGA1284P-AU ✓ ActiveMicrochip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284P-AU | ATMEGA1284P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.65 | $4.10 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | 4 KB |
| SRAM | 16 KB | 16 KB |
| Maximum CPU Speed | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| I/O Pins | 32 | — |
| General-Purpose Registers | 32 | — |
| ADC | 10-bit, 8-channel | — |
| USART | 2 | 2 |
| SPI | 1 | 1 |
| TWI (I2C) | 1 | 1, byte-oriented 2-wire |
| Timer/Counters | 2x 8-bit, 2x 16-bit | 3 (with compare modes and PWM) |
| PWM Channels | 6 | — |
| Package | TQFP-44 (10x10 mm) | 44-VQFN (7x7 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: temperature range for -MU speed grade] |
| In-System Programming | Yes (SPI) | — |
| JTAG Debug | Yes (IEEE 1149.1) | — |
| Power-Down Current | [DATA_NEEDED: power-down current in nA] | — |
| RoHS Status | Compliant | Compliant (per Microchip product page) |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Max CPU Clock | — | 20 MHz |
| Flash Memory | — | 128 KB (64K x 16) ISP, Read-While-Write |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| I/O Lines | — | 32 general purpose |
| Real Time Counter (RTC) | — | Yes |
| 10-bit ADC | — | 8 channels |
| Watchdog Timer | — | Yes, programmable with on-chip oscillator |
| Programming Interface | — | ISP via SPI, self-programming boot support |