ATMEGA32A-PN vs ATMEGA328P-PN Comparison
Detailed side-by-side comparison of ATMEGA32A-PN by Microchip Technology and ATMEGA328P-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
ATMEGA32A-PN - 8-bit AVR MCU 32KB Flash 16MHz 40-DIP | Microchip
ATMEGA32A-PN ✓ ActiveMicrochip Technology
ATMEGA328P-PN - 8-bit AVR MCU 20MHz 32KB Flash PDIP-28 | Microchip
ATMEGA328P-PN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32A-PN | ATMEGA328P-PN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| 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 | — |
| Package | 40-pin PDIP (0.600 in / 15.24 mm) | 28-PDIP |
| Mounting Type | Through-Hole | Through-Hole |
| Communication Interfaces | USART, SPI, TWI (I2C) | USART, SPI, TWI (I2C) |
| 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 | — |
| Operating Temperature | -40 C to +85 C | -40C to +105C |
| RoHS Status | Compliant | Green (RoHS compliant) |
| Max CPU Frequency | — | 20 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| 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 |
| Programming Interfaces | — | ISP, debugWIRE |
| Low Power Mode Current | — | 0.1 uA (power-save) |
| Data Sheets Page Count | — | 662 pages |