ATMEGA324PA-PU vs ATMEGA1284P-PU Comparison
Detailed side-by-side comparison of ATMEGA324PA-PU by Microchip Technology and ATMEGA1284P-PU 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
ATMEGA324PA-PU - 32KB AVR MCU 20MHz PDIP-40 | Microchip
ATMEGA324PA-PU ✓ ActiveMicrochip Technology
ATMEGA1284P-PU - 128KB AVR MCU 20MHz 40-PDIP | Microchip
ATMEGA1284P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-PU | ATMEGA1284P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.55 | $6.05 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 32 KB ISP Flash (read-while-write) | 128 KB (64K x 16) ISP Flash |
| EEPROM | 1 KB | 4 KB |
| SRAM | 2 KB | 16 KB |
| Maximum Clock Speed | 20 MHz (up to 20 MIPS) | — |
| Supply Voltage | 4.5 V to 5.5 V (per listed specifications) | — |
| General Purpose I/O | 32 I/O lines (4 x 8-bit ports) | — |
| Working Registers | 32 x 8-bit | 32 general purpose |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | — |
| Serial Interfaces | 2 x USART, 1 x Two-Wire (I2C-compatible), 1 x SPI | 2x USART, TWI (I2C-compatible), SPI |
| ADC | 8-channel 10-bit ADC | 8-channel 10-bit |
| Real-Time Counter | Yes, with separate oscillator | — |
| Hardware Multiplier | On-chip 2-cycle multiplier | — |
| Package | 40-pin PDIP (DIP-40), through-hole | 40-PDIP (through-hole) |
| Mounting Type | Through Hole | Through Hole |
| Low Power Technology | picoPower | — |
| Life Cycle Stage | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance] | — |
| Max Clock Frequency | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Count | — | 32 general purpose I/O lines |
| USART Count | — | 2 |
| Timer/Counters | — | 3 with compare modes and PWM |
| Special Features | — | picoPower, Real Time Counter, Read-While-Write Flash |
| Instruction Set Throughput | — | Up to 1 MIPS per MHz |
| Lifecycle Status | — | Active |