ATMEGA48-20PJ vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA48-20PJ by Microchip Technology and ATMEGA328P-PU 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
ATMEGA48-20PJ - 8-Bit AVR MCU, 20MHz, 4KB Flash | Microchip
ATMEGA48-20PJ ✓ ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA48-20PJ | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Flash Program Memory | 4 KB (2K x 16) | 32 KB (16K x 16) |
| SRAM | 512 B | 2 KB |
| EEPROM | 256 B | 1 KB |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| GPIO Count | 23 | — |
| ADC Resolution | 10-bit, 8-channel | — |
| Timer/Counters | 3 | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| Instructions | 131, most single-cycle | 131 instructions, most single-cycle |
| Debug Interface | DebugWIRE on-chip debug | — |
| Package | 28-PDIP | 28-PDIP |
| Mounting Type | Through Hole | Through Hole |
| Operating Temperature | [DATA_NEEDED: Operating Temperature (P suffix grade)] | [DATA_NEEDED: operating temperature range] |
| RoHS Status | [DATA_NEEDED: RoHS Status] | [DATA_NEEDED: RoHS status] |
| Typical Arduino Clock Frequency | — | 16 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O Lines | — | 23 |
| Working Registers | — | 32 general purpose |
| In-System Programming | — | Yes (ISP, read-while-write) |
| ADC | — | 10-bit |
| Product Series | — | AVR ATmega |
| Interface Peripherals | — | USART, SPI, TWI (I2C) |