ATMEGA324PA-PU vs ATMEGA1284-PU Comparison
Detailed side-by-side comparison of ATMEGA324PA-PU by Microchip Technology and ATMEGA1284-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
ATMEGA1284-PU - 8-bit AVR MCU 128KB Flash 20MHz PDIP-40 | Microchip
ATMEGA1284-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-PU | ATMEGA1284-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.55 | $6.21 |
| Core Architecture | 8-bit AVR RISC | AVR enhanced RISC, 8-bit |
| Flash Memory | 32 KB ISP Flash (read-while-write) | — |
| EEPROM | 1 KB | 4KB |
| SRAM | 2 KB | 16KB |
| 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 | — |
| Instructions | 131 powerful instructions, most single-cycle | 133 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 | SPI, 2-Wire (I2C), USART |
| 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 |
| Mounting Type | Through Hole | Through Hole |
| Low Power Technology | picoPower | — |
| Life Cycle Stage | Active | — |
| RoHS Status | [DATA_NEEDED: RoHS compliance] | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | — | 128KB (64K x 16) |
| Maximum Clock Frequency | — | 20 MHz |
| Supply Voltage Range | — | 2.5V to 5.5V (speed-graded) |
| I/O Pins | — | 32 general purpose I/O lines |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| USART | — | 2 |
| JTAG | — | Yes (Port C, on-chip debug and boundary-scan) |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |