ATMEGA48PA-MMHR vs ATMEGA328P-MMH Comparison
Detailed side-by-side comparison of ATMEGA48PA-MMHR by Microchip Technology and ATMEGA328P-MMH 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-MMH - 20MHz 32KB 8-Bit AVR MCU | Microchip Technology
ATMEGA328P-MMH ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48PA-MMHR | ATMEGA328P-MMH |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core | AVR 8-bit RISC | — |
| Flash Memory | 4 KB (2K x 16) | 32 KB |
| EEPROM | 256 B | 1024 bytes |
| SRAM | 512 B | 2 KB |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Maximum Throughput | 20 MIPS at 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| I/O Lines | 23 | — |
| ADC Resolution | 10-bit | — |
| Timers | 1 x 8-bit, 1 x 16-bit (plus RTC timer) | — |
| Communication Interfaces | USART, SPI, 2-wire (I2C compatible) | — |
| Analog Comparator | Yes, 1 on-chip | — |
| Watchdog Timer | Programmable, separate on-chip oscillator | — |
| Operating Temperature | -40C to +85C (IND) | — |
| Package | 28-pad VQFN/MLF, 4x4 mm, 0.45 mm pitch, 1 mm height | 28-VQFN, 4 x 4 mm |
| Mounting Type | Surface Mount | Surface mount |
| Packing | Tape & Reel (R suffix) | — |
| RoHS Status | Green / RoHS compliant package | — |
| Product Type | — | 8-bit AVR RISC microcontroller |
| Flash Organization | — | 16K x 16 bits |
| ISP Flash Read-While-Write | — | Supported |
| General-Purpose I/O Lines | — | 23 lines |
| General-Purpose Working Registers | — | 32 registers |
| Instruction Set | — | 131 powerful AVR instructions |
| Single-Clock-Cycle Execution | — | Most instructions |
| Serial Interfaces | — | I2C, SPI, and UART/USART |
| Package Pin Count | — | 28 pins |
| Operating Supply Voltage | — | 4.5 V to 5.5 V |
| Terminal Finish | — | NiPdAu |
| Green Compliance | — | Green |