ATMEGA164PA-CU vs ATMEGA324PA-CUR 对比
详细并排对比 ATMEGA164PA-CU 出自 Microchip Technology 和 ATMEGA324PA-CUR 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
ATMEGA164PA-CU - 8-bit AVR MCU 20MHz 16KB Flash 49-VFBGA | Microchip
ATMEGA164PA-CU ✓ 量产中Microchip Technology
ATMEGA324PA-CUR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-CUR ✓ 量产中规格对比
| 参数 | ATMEGA164PA-CU | ATMEGA324PA-CUR |
|---|---|---|
| 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） | $2.15 | $2.58 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| 数据总线宽度 | 8 bit | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Flash Memory | 16 KB (8K x 16) ISP, read-while-write | 32 KB (16K x 16) ISP Flash with read-while-write |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V (per datasheet summary; picoPower PA variants support lower VCC - verify in full datasheet) | — |
| I/O Ports | 32 general purpose I/O lines | — |
| Timers/Counters | 3 flexible timer/counters with compare modes and PWM | — |
| USART | 2 | — |
| Serial Interfaces | Two-Wire Interface (I2C), SPI, 2x USART | — |
| ADC | 8-channel 10-bit | — |
| Instruction Set | 133 powerful instructions, most single-cycle | 131 powerful instructions, mostly single-cycle |
| Low Power Technology | picoPower with sleep modes and real-time counter | picoPower |
| 封装 | 49-VFBGA (5x5 mm) | 49-VFBGA (5 x 5 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | Compliant (GREEN package per FindIC listing) | [DATA_NEEDED: RoHS status] |
| 电源电压 | — | 2.5 V / 3.3 V / 5 V operation |
| Supply Voltage Range (5V grade) | — | 4.5 V to 5.5 V |
| General Purpose I/O | — | 32 I/O lines |
| General Purpose Working Registers | — | 32 |
| Packaging | — | Tape & Reel (R suffix) |
| Life Cycle Stage | — | Active |
| Programming | — | In-System Programmable (ISP) |
| Manufacturer | — | Microchip Technology (Atmel) |
| Number of Timers | — | [DATA_NEEDED: timer count] |