ATMEGA48P-20MUR vs ATMEGA328P-MU Comparison
Detailed side-by-side comparison of ATMEGA48P-20MUR by Microchip Technology and ATMEGA328P-MU 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
ATMEGA48P-20MUR - 8-bit AVR MCU 20MHz 4KB Flash | Microchip
ATMEGA48P-20MUR β Active
Specification Comparison
| Parameter | ATMEGA48P-20MUR | ATMEGA328P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.06 | $1.28 |
| Core Architecture | AVR 8-bit RISC | β |
| Core Size | 8-Bit | 8-bit |
| Maximum Clock Frequency | 20 MHz | β |
| Flash Memory | 4 KB (2K x 16) | β |
| EEPROM | 256 B | β |
| SRAM | 512 B | β |
| Supply Voltage Range | 4.5 V to 5.5 V (at 20 MHz) | 1.8 V to 5.5 V |
| General Purpose I/O | 23 | β |
| Timer/Counters | 3 (with compare modes) | β |
| Serial Interfaces | SPI, TWI (I2C), USART | β |
| ADC | 10-bit | β |
| Package | 32-VQFN (5x5 mm), 0.45 mm pitch, 1 mm height | 32-VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Industrial range (-40C to +85C) | -40C to +85C |
| Life Cycle Stage | Active | β |
| Green / RoHS Package | Green (halogen-free) plastic package | β |
| Programming / Debug | ISP, ICSP via MPLAB SNAP | β |
| Low Power Technology | picoPower | β |
| Core Processor | β | AVR 8-bit RISC |
| Speed | β | 20 MHz |
| Program Memory Size | β | 32 KB (16K x 16) Flash |
| EEPROM Size | β | 1 KB |
| RAM Size | β | 2 KB |
| Number of I/O | β | 23 |
| ADC Resolution | β | 10-bit |
| ADC Channels | β | 8 (6 external + 2 multiplexed) |
| Peripherals | β | Brown-out Detect/Reset, POR, PWM, WDT |
| Communication Interfaces | β | USART, SPI, I2C (TWI) |
| Timers | β | 2 x 8-bit, 1 x 16-bit |
| Programming | β | ISP, debugWIRE |
| Oscillator Type | β | Internal |