ATMEGA32A-AUR vs ATMEGA329-16AU Comparison
Detailed side-by-side comparison of ATMEGA32A-AUR 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-AUR - 16MHz 32KB Flash 8-bit AVR MCU | Microchip
ATMEGA32A-AUR ✓ ActiveMicrochip Technology
ATMEGA329-16AU - 8-bit AVR MCU 16MHz 32KB Flash LCD | Microchip
ATMEGA329-16AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA32A-AUR | ATMEGA329-16AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum Clock Frequency | 16 MHz | 16 MHz |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| I/O Pins | 32 | — |
| ADC | 8-channel, 10-bit | — |
| Timers/Counters | Two 8-bit, One 16-bit | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| On-Chip Debug | JTAG interface | — |
| Package | 44-pin TQFP (10x10 mm) | 64-TQFP (14x14 mm), 0.8 mm pitch |
| Operating Temperature | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Mounting Type | Surface Mount | Surface Mount |
| Self-Programming | Yes (In-System) | — |
| Number of Instructions | 131 | — |
| RoHS Status | Compliant | [DATA_NEEDED: RoHS status] |
| Flash Program Memory | — | 32 KB (16K x 16) |
| General Purpose I/O Lines | — | 54 |
| LCD Controller | — | On-chip segment LCD controller with internal contrast control |
| JTAG Interface | — | Yes (boundary-scan, on-chip debug, programming) |
| In-System Programming | — | Yes (ISP Flash, read-while-write) |
| General Purpose Working Registers | — | 32 |
| Instructions | — | 130+ powerful instructions, most single-clock cycle |
| Life Cycle Stage | — | Active |