ATMEGA329-16AU vs ATMEGA329A-MUR Comparison
Detailed side-by-side comparison of ATMEGA329-16AU by Microchip Technology and ATMEGA329A-MUR 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
ATMEGA329A-MUR - 8-bit AVR MCU, 32KB Flash, 64-QFN | Microchip
ATMEGA329A-MUR β ActiveSpecification Comparison
| Parameter | ATMEGA329-16AU | ATMEGA329A-MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.45 | $3.61 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Maximum Clock Frequency | 16 MHz | β |
| 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 | 64-pin QFN (9 x 9 mm) with exposed pad |
| 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] | -40 C to +85 C (Industrial) |
| Program Memory (Flash) | β | 32 KB (16K x 16) |
| Maximum CPU Speed | β | 20 MHz |
| Supply Voltage (Vcc) | β | 4.5 V to 5.5 V |
| I/O Pins | β | 32 |
| On-chip LCD Driver | β | Yes (segmented LCD) |
| ADC | β | 10-bit |
| Communication | β | USART, SPI, TWI (I2C-compatible) |
| Timers/Counters | β | 2 x 8-bit, 1 x 16-bit |
| Instruction Set | β | 131 instructions, mostly single-cycle |