ATMEGA325P-20AUR vs ATMEGA329P-20AN 对比
详细并排对比 ATMEGA325P-20AUR 出自 Microchip Technology 和 ATMEGA329P-20AN 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN ✓ 量产中规格对比
| 参数 | ATMEGA325P-20AUR | ATMEGA329P-20AN |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（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 | — |
| 封装 | 64-TQFP (14x14 mm) | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (industrial) | -40C to +105C |
| Programming | In-System Programmable (ISP) Flash | — |
| RoHS 状态 | 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) |