ATMEGA32A-AU vs ATMEGA329-16AU Comparison
Detailed side-by-side comparison of ATMEGA32A-AU by Microchip Technology and ATMEGA329-16AU 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-AU - 8-bit AVR MCU, 32KB Flash, 16MHz, TQFP-44 | Microchip
ATMEGA32A-AU β ActiveMicrochip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU β ActiveSpecification Comparison
| Parameter | ATMEGA32A-AU | ATMEGA329-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $8.45 |
| Manufacturer | Microchip Technology (formerly Atmel) | β |
| Series | AVR ATmega | β |
| Core Architecture | AVR RISC 8-bit | 8-bit AVR RISC |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| MIPS Throughput | 16 MIPS at 16 MHz | β |
| Program Memory (Flash) | 32 KB | β |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Operating Voltage Range | 2.7 V to 5.5 V | β |
| I/O Pins | 32 programmable | β |
| ADC | 8-channel, 10-bit | β |
| Timers/Counters | Two 8-bit and one 16-bit | β |
| Communication Peripherals | USART, SPI, TWI (I2C) | β |
| Debug Interface | JTAG (IEEE 1149.1 compliant) | β |
| Package | 44-pin TQFP (10x10 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| RoHS Status | Compliant (Green) | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | β | 32 KB (16K x 16) |
| Supply Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 54 |
| LCD Controller | β | On-chip segment LCD controller with internal contrast control |
| JTAG Interface | β | Yes (boundary-scan, on-chip debug, programming) |
| In-System Programming | β | Yes (ISP Flash, read-while-write) |
| General Purpose Working Registers | β | 32 |
| Instructions | β | 130+ powerful instructions, most single-clock cycle |
| Life Cycle Stage | β | Active |