ATMEGA328P-PN vs ATMEGA32A-PN Comparison
Detailed side-by-side comparison of ATMEGA328P-PN by Microchip Technology and ATMEGA32A-PN 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-PN - 8-bit AVR MCU 20MHz 32KB Flash PDIP-28 | Microchip
ATMEGA328P-PN ✓ ActiveMicrochip Technology
ATMEGA32A-PN - 8-bit AVR MCU 32KB Flash 16MHz 40-DIP | Microchip
ATMEGA32A-PN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA328P-PN | ATMEGA32A-PN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Max CPU Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Supply Voltage Range | 2.5 V to 5.5 V | — |
| GPIO Count | 23 | — |
| ADC Resolution | 10-bit, 6 channels | — |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | USART, SPI, TWI (I2C) |
| Operating Temperature | -40C to +105C | -40 C to +85 C |
| Package | 28-PDIP | 40-pin PDIP (0.600 in / 15.24 mm) |
| Mounting Type | Through-Hole | Through-Hole |
| Programming Interfaces | ISP, debugWIRE | — |
| Low Power Mode Current | 0.1 uA (power-save) | — |
| RoHS Status | Green (RoHS compliant) | Compliant |
| Data Sheets Page Count | 662 pages | — |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| Maximum CPU Speed | — | 16 MHz |
| Operating Voltage | — | 4.5 V to 5.5 V |
| Number of I/O Pins | — | 32 |
| ADC | — | 8-channel, 10-bit |
| Timers/Counters | — | Two 8-bit + One 16-bit |
| Debug Interface | — | JTAG (IEEE 1149.1) |
| Programmable Lock Bits | — | Yes (software security) |
| Flash Endurance | — | 10,000 write/erase cycles |
| EEPROM Endurance | — | 100,000 write/erase cycles |