ATMEGA644P-15MT vs ATMEGA324P-15MT Comparison
Detailed side-by-side comparison of ATMEGA644P-15MT by Microchip Technology and ATMEGA324P-15MT 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
ATMEGA644P-15MT - 8-bit AVR MCU, 64KB Flash, 44-VQFN | Microchip
ATMEGA644P-15MT NrndMicrochip Technology
ATMEGA324P-15MT - 8-bit AVR MCU 16MHz 32KB Flash VQFN-44 | Microchip
ATMEGA324P-15MT ✓ ActiveSpecification Comparison
| Parameter | ATMEGA644P-15MT | ATMEGA324P-15MT |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | Active |
| Core Architecture | AVR 8-bit RISC | — |
| Program Memory Size | 64KB (32K x 16) Flash | 32 KB (16K x 16) FLASH |
| RAM Size | 4KB SRAM | 2 KB |
| EEPROM Size | 2KB | 1 KB |
| Maximum Clock Speed | 16MHz | — |
| Supply Voltage Range | 2.7V to 5.5V | — |
| Number of I/O | 32 | 32 |
| USART Interfaces | 2 | — |
| ADC | 8-channel, 10-bit | — |
| Timers | 3 Timer/Counters with compare modes and PWM | Three timer/counters with compare modes and PWM |
| Serial Interfaces | 2 USART, TWI (2-wire), SPI | 2x USART, TWI (I2C), SPI |
| Oscillator Type | Internal RC (external crystal optional) | Internal |
| Package / Case | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) |
| Qualification | Automotive, AEC-Q100 | — |
| Technology | picoPower low-power CMOS | — |
| Instructions | 131, most single-cycle | — |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Mounting Type | Surface Mount | Surface Mount |
| MIPS | ~1 MIPS per MHz (up to 16 MIPS at 16MHz) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS compliance status] |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Number of USARTs | — | 2 |
| ADC Resolution | — | 10-bit |
| ADC Channels | — | 8 |
| Program Memory Type | — | ISP FLASH, read-while-write |
| Technology Feature | — | picoPower low-power technology |
| Instruction Set | — | 131 instructions, RISC, mostly single-cycle |