ATMEGA48-20MI vs ATMEGA328P-MU Comparison
Detailed side-by-side comparison of ATMEGA48-20MI 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
ATMEGA48-20MI - 8-bit AVR MCU 20MHz 4KB Flash VQFN-32 | Microchip
ATMEGA48-20MI β Active
Specification Comparison
| Parameter | ATMEGA48-20MI | ATMEGA328P-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Nrnd |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $1.28 |
| Core | AVR 8-bit RISC | β |
| Core Size | 8-bit | 8-bit |
| Max Clock Frequency | 20 MHz | β |
| Throughput | Up to 20 MIPS at 20 MHz | β |
| Flash Memory | 4 KB (2K x 16) In-System Programmable | β |
| SRAM | 512 B | β |
| EEPROM | 256 B | β |
| Operating Voltage Range | 1.8 V to 5.5 V | β |
| I/O Count | 23 general purpose I/O lines | β |
| Timers | 3 timer/counters with compare modes | 2 x 8-bit, 1 x 16-bit |
| ADC | 8-channel 10-bit | β |
| On-Chip Debug | debugWIRE | β |
| Working Registers | 32 x 8-bit general purpose | β |
| Instruction Set | 131 instructions, mostly single-cycle | β |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C |
| Package | 32-VQFN (5x5 mm) exposed pad | 32-VQFN (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Technology | picoPower low power | β |
| Series | AVR ATmega | 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 |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| 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) |
| Programming | β | ISP, debugWIRE |
| Oscillator Type | β | Internal |