ATMEGA325P-20AUR vs ATMEGA329P-20AN Comparison
Detailed side-by-side comparison of ATMEGA325P-20AUR by Microchip Technology and ATMEGA329P-20AN 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
ATMEGA325P-20AUR - 8-bit AVR MCU 32KB 20MHz | Microchip
ATMEGA325P-20AUR ✓ ActiveMicrochip Technology
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN ✓ ActiveSpecification Comparison
| Parameter | ATMEGA325P-20AUR | ATMEGA329P-20AN |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.11 | $2.95 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| CPU Speed | 20 MHz | — |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Flash Program Memory | 32 KB (16K x 16) | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| ADC | 8-channel, 10-bit | [DATA_NEEDED: ADC channels and resolution] |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Instructions | 131 powerful instructions, most single-cycle | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | — |
| I/O Lines | 54 general-purpose I/O | — |
| Low Power Technology | picoPower | — |
| Package | 64-TQFP (14x14 mm) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | -40C to +105C |
| Programming | In-System Programmable (ISP) Flash | — |
| RoHS Status | Compliant | Compliant (Green) |
| Program Memory (Flash) | — | 32 KB |
| Maximum CPU Speed | — | 20 MHz (20 MIPS) |
| Supply Voltage (Vcc) | — | 2.7 V to 5.5 V |
| Number of I/O Pins | — | [DATA_NEEDED: total I/O pin count] |
| Communication Interfaces | — | SPI, UART/USART, USI |
| LCD Controller | — | Integrated (supports up to 4x25 segments) |
| Timers/Counters | — | 4 (with compare modes, PWM) |
| Instruction Set | — | 131 instructions, most single-cycle |
| Power-Saving Modes | — | 6 software-selectable modes |
| In-System Programming | — | Yes (SPI-based ISP) |