ATMEGA324P-20MU vs ATMEGA164P-20MU Comparison
Detailed side-by-side comparison of ATMEGA324P-20MU by Microchip Technology and ATMEGA164P-20MU 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
ATMEGA324P-20MU - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324P-20MU ✓ ActiveMicrochip Technology
ATMEGA164P-20MU - 8-bit AVR MCU 20MHz 16KB Flash | Microchip
ATMEGA164P-20MU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324P-20MU | ATMEGA164P-20MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.80 | $2.98 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory | 32 KB (16K x 16) | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 | — |
| Timers/Counters | 3 (with compare modes and PWM) | 3 (with compare modes and PWM) |
| USART | 2 | — |
| ADC Resolution | 10-bit | — |
| Connectivity | I2C (TWI), SPI, UART/USART | — |
| Package | 44-VQFN (7x7 mm), exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C | [DATA_NEEDED: operating temperature range] |
| Programmer Support | MPLAB SNAP (ICSP, in-circuit debug) | — |
| Technology | picoPower, AVR RISC, 131 instructions | — |
| Program Memory Size | — | 16 KB (8K x 16) FLASH |
| EEPROM Size | — | 512 B |
| RAM Size | — | 1 KB SRAM |
| Number of I/O | — | 32 |
| Communication Interfaces | — | 2x USART, TWI (I2C), SPI |
| ADC | — | 8-channel 10-bit |
| RTC | — | Yes (real-time counter) |
| Instructions | — | 133 (advanced RISC, mostly single-cycle) |
| Low Power Technology | — | picoPower |
| Programming | — | ISP (In-System Programming), read-while-write |