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