ATMEGA48PA-MUR vs ATMEGA328P-MUR Comparison
Detailed side-by-side comparison of ATMEGA48PA-MUR by Microchip Technology and ATMEGA328P-MUR 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
ATMEGA48PA-MUR - 8-bit AVR MCU 4KB 20MHz VQFN-32 | Microchip
ATMEGA48PA-MUR ✓ ActiveMicrochip Technology
ATMEGA328P-MUR - 8-bit AVR MCU 20MHz 32KB Flash VQFN-32 (Tape & Reel)
ATMEGA328P-MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48PA-MUR | ATMEGA328P-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 4 KB (2K x 16) | — |
| EEPROM | 256 B | 1 KB |
| SRAM | 512 B | 2 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Number of I/O | 23 | — |
| ADC Resolution | 10-bit, 6 channels | — |
| Timers | Two 8-bit, one 16-bit | — |
| Communication Interfaces | USART, SPI, I2C (TWI) | USART, SPI (master/slave), TWI (I2C-compatible) |
| Operating Temperature | -40C to +85C | -40 C to +85 C (industrial) |
| Package | 32-VQFN (5x5 mm) 32M1 | 32-pin VQFN (5x5 mm, exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| Package Height / Pitch | 1 mm height, 0.45 mm pitch (per datasheet package drawing) | — |
| Programming Features | ISP, IAP, debugWIRE | — |
| Power-Saving Modes | 5 modes incl. picoPower power-down | — |
| RoHS Status | Compliant (GREEN package) | Compliant |
| Core Architecture | — | AVR 8-bit RISC |
| Maximum Clock Speed | — | 20 MHz |
| Instruction Throughput | — | 20 MIPS |
| Flash Program Memory | — | 32 KB (16 K x 16) |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| General-Purpose I/O | — | 23 lines |
| ADC | — | 10-bit, 8 channels (6 + 2 dedicated QFN/VFP) |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| On-chip Oscillator | — | Internal 8 MHz calibrated, 128 kHz |
| Programming Interface | — | ISP, debugWIRE, TPI |