ATMEGA328P-MUR vs ATMEGA48PA-MU Comparison
Detailed side-by-side comparison of ATMEGA328P-MUR by Microchip Technology and ATMEGA48PA-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
ATMEGA328P-MUR - 8-bit AVR MCU 20MHz 32KB Flash VQFN-32 (Tape & Reel)
ATMEGA328P-MUR Nrnd
Specification Comparison
| Parameter | ATMEGA328P-MUR | ATMEGA48PA-MU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | NRND | Active |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Maximum Clock Speed | 20 MHz | — |
| Instruction Throughput | 20 MIPS | — |
| Flash Program Memory | 32 KB (16 K x 16) | — |
| SRAM | 2 KB | 512 B |
| EEPROM | 1 KB | 256 B |
| 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) | 10-bit, 8 single-ended channels, differential with programmable gain |
| Timers/Counters | 2 x 8-bit, 1 x 16-bit | 2 x 8-bit, 1 x 16-bit with compare modes |
| Communication Interfaces | USART, SPI (master/slave), TWI (I2C-compatible) | USART, SPI, Two-Wire Interface (I2C) |
| On-chip Oscillator | Internal 8 MHz calibrated, 128 kHz | — |
| Package | 32-pin VQFN (5x5 mm, exposed pad) | 32-pin VQFN (5x5 mm, 0.5 mm pitch), green |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C (industrial) |
| Programming Interface | ISP, debugWIRE, TPI | — |
| RoHS Status | Compliant | Compliant (GREEN package) |
| Flash Memory | — | 4 KB (2K x 16) ISP Flash |
| Maximum Clock Frequency | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V (picoPower) |
| General Purpose I/O | — | 23 lines |
| Working Registers | — | 32 x 8-bit |
| Sleep Modes | — | 6 modes incl. power-down at 0.1 uA (picoPower) |
| Internal Oscillator | — | Calibrated RC oscillator (8 MHz nominal, divided options) |
| Brown-out Detector | — | Yes, on-chip |
| Flash Endurance | — | 10,000 write/erase cycles (per datasheet family specification) |