ATMEGA32A-PN vs ATMEGA328P-PU Comparison
Detailed side-by-side comparison of ATMEGA32A-PN 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
ATMEGA32A-PN - 8-bit AVR MCU 32KB Flash 16MHz 40-DIP | Microchip
ATMEGA32A-PN β ActiveMicrochip Technology
ATMEGA328P-PU - 8-bit AVR MCU 32KB Flash 28-PDIP | Microchip
ATMEGA328P-PU β ActiveSpecification Comparison
| Parameter | ATMEGA32A-PN | ATMEGA328P-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.15 | $0.00 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | β |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 16 MHz | β |
| Operating Voltage | 4.5 V to 5.5 V | β |
| Number of I/O Pins | 32 | β |
| ADC | 8-channel, 10-bit | 10-bit |
| Timers/Counters | Two 8-bit + One 16-bit | β |
| Package | 40-pin PDIP (0.600 in / 15.24 mm) | 28-PDIP |
| Mounting Type | Through-Hole | Through Hole |
| Communication Interfaces | USART, SPI, TWI (I2C) | β |
| Debug Interface | JTAG (IEEE 1149.1) | β |
| Programmable Lock Bits | Yes (software security) | β |
| Flash Endurance | 10,000 write/erase cycles | β |
| EEPROM Endurance | 100,000 write/erase cycles | β |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | β | 32 KB (16K x 16) |
| Maximum Clock Frequency | β | 20 MHz |
| Typical Arduino Clock Frequency | β | 16 MHz |
| Supply Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 23 |
| Working Registers | β | 32 general purpose |
| Instructions | β | 131 instructions, most single-cycle |
| In-System Programming | β | Yes (ISP, read-while-write) |
| Product Series | β | AVR ATmega |
| Interface Peripherals | β | USART, SPI, TWI (I2C) |