ATMEGA1284P-AU vs ATMEGA324PA-AU Comparison
Detailed side-by-side comparison of ATMEGA1284P-AU by Microchip Technology and ATMEGA324PA-AU 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
ATMEGA324PA-AU - 32KB AVR MCU 20MHz TQFP-44 | Microchip
ATMEGA324PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA1284P-AU | ATMEGA324PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.65 | $2.87 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 128 KB | — |
| EEPROM | 4 KB | 1 KB |
| SRAM | 16 KB | 2 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 | 8-channel 10-bit |
| USART | 2 | — |
| SPI | 1 | — |
| TWI (I2C) | 1 | — |
| Timer/Counters | 2x 8-bit, 2x 16-bit | — |
| PWM Channels | 6 | — |
| Package | TQFP-44 (10x10 mm) | 44-TQFP (10 x 10 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| 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 |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Flash Memory | — | 32 KB ISP Flash (16K x 16), read-while-write |
| Maximum Clock Frequency | — | 20 MHz |
| Supply Voltage | — | 4.5 V to 5.5 V |
| I/O Lines | — | 32 |
| Working Registers | — | 32 general purpose |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Timers/Counters | — | 3 with compare modes and PWM |
| Serial Interfaces | — | 2 USART, TWI (I2C), SPI |
| Low-Power Technology | — | picoPower |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |