ATMEGA329P-20AN vs ATMEGA325P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA329P-20AN by Microchip Technology and ATMEGA325P-20AUR 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
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN ✓ ActiveMicrochip Technology
ATMEGA325P-20AUR - 8-bit AVR MCU 32KB 20MHz | Microchip
ATMEGA325P-20AUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA329P-20AN | ATMEGA325P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 32 KB | — |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 20 MHz (20 MIPS) | — |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | — |
| Operating Temperature | -40C to +105C | -40C to +85C (industrial) |
| Package | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm) |
| 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) | — |
| ADC | [DATA_NEEDED: ADC channels and resolution] | 8-channel, 10-bit |
| Instruction Set | 131 instructions, most single-cycle | — |
| Power-Saving Modes | 6 software-selectable modes | — |
| In-System Programming | Yes (SPI-based ISP) | — |
| RoHS Status | Compliant (Green) | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| CPU Speed | — | 20 MHz |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| Flash Program Memory | — | 32 KB (16K x 16) |
| 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 |
| Programming | — | In-System Programmable (ISP) Flash |