ATMEGA325P-20MUR vs ATMEGA3290P-20AU Comparison
Detailed side-by-side comparison of ATMEGA325P-20MUR by Microchip Technology and ATMEGA3290P-20AU 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
ATMEGA325P-20MUR - 8-bit AVR MCU 32KB 20MHz 64-QFN | Microchip
ATMEGA325P-20MUR β ActiveMicrochip Technology
ATMEGA3290P-20AU - AVR 8-Bit MCU 20MHz 32KB Flash TQFP-100 | Microchip
ATMEGA3290P-20AU β ActiveSpecification Comparison
| Parameter | ATMEGA325P-20MUR | ATMEGA3290P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.86 | $9.62 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Flash Memory Size | 32 KB (16K x 16) | β |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Operating Voltage | 1.8 V to 5.5 V | β |
| Peripherals | picoPower, Brown-out Detect/Reset, POR, PWM, WDT | β |
| Number of I/O | 54 | β |
| ADC Resolution | 10-bit | β |
| Number of ADC Channels | 8 | β |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| Debug Interface | JTAG (on-chip debug, boundary scan) | β |
| Package | 64-QFN (9x9 mm) Exposed Pad / 64-VFQFN | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Program Memory Type | In-System Programmable FLASH | β |
| Flash Memory | β | 32 KB (16K x 16) |
| General Purpose I/O | β | 69 |
| Working Registers | β | 32 |
| Instruction Set | β | 131 powerful instructions |
| Supply Voltage | β | 4.5 V to 5.5 V |
| Low Power Technology | β | picoPower |
| Programming / Debug | β | ICSP, debugWIRE (via MPLAB SNAP) |
| LCD Controller | β | Yes (segment LCD drive) |
| Lifecycle Status | β | ACTIVE |