ATMEGA328P-MMH vs ATMEGA48PA-MMHR Comparison
Detailed side-by-side comparison of ATMEGA328P-MMH by Microchip Technology and ATMEGA48PA-MMHR 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 ✓ Active
Specification Comparison
| Parameter | ATMEGA328P-MMH | ATMEGA48PA-MMHR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit AVR RISC microcontroller | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Memory | 32 KB | 4 KB (2K x 16) |
| Flash Organization | 16K x 16 bits | — |
| ISP Flash Read-While-Write | Supported | — |
| SRAM | 2 KB | 512 B |
| EEPROM | 1024 bytes | 256 B |
| 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 | 28-VQFN, 4 x 4 mm | 28-pad VQFN/MLF, 4x4 mm, 0.45 mm pitch, 1 mm height |
| Package Pin Count | 28 pins | — |
| Mounting Type | Surface mount | Surface Mount |
| Operating Supply Voltage | 4.5 V to 5.5 V | — |
| Terminal Finish | NiPdAu | — |
| Green Compliance | Green | — |
| Core | — | AVR 8-bit RISC |
| 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) |
| Packing | — | Tape & Reel (R suffix) |
| RoHS Status | — | Green / RoHS compliant package |