ATMEGA644PA-ANR vs ATMEGA644PA-AUR 对比
详细并排对比 ATMEGA644PA-ANR 出自 Microchip Technology 和 ATMEGA644PA-AUR 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
ATMEGA644PA-ANR - 8-bit AVR MCU 64KB Flash 44-TQFP | Microchip
ATMEGA644PA-ANR ✓ 量产中Microchip Technology
ATMEGA644PA-AUR - 8-Bit AVR MCU 64KB Flash 20MHz TQFP-44 | Microchip
ATMEGA644PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA644PA-ANR | ATMEGA644PA-AUR |
|---|---|---|
| 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） | $3.35 | $1.78 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Program Memory Size | 64 KB (32K x 16) | — |
| Program Memory Type | FLASH | — |
| EEPROM Size | 2 KB | — |
| RAM Size | 4 KB | — |
| Number of I/O | 32 | — |
| Oscillator Type | Internal | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | I2C, SPI, USART | — |
| ADC Resolution | 10-bit, 8 channels | — |
| Architecture Features | 131 instructions, most single-cycle, 2-cycle on-chip multiplier | — |
| 封装 / 外壳 | 44-TQFP (10x10 mm) | — |
| 工作温度 | -40C to +105C | — |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (T/R) |
| Technology | picoPower | — |
| Voltage - Supply | [DATA_NEEDED: Voltage - Supply] | — |
| RoHS 状态 | Green (RoHS compliant per FindIC listing) | Compliant (GREEN) |
| Core Architecture | — | 8-bit AVR RISC (Harvard) |
| Flash Memory (ISP) | — | 64 KB (32K x 16) with read-while-write |
| SRAM | — | 4 KB |
| EEPROM | — | 2 KB |
| 最大时钟频率 | — | 20 MHz |
| Maximum Throughput | — | 20 MIPS (1 MIPS per MHz) |
| Instructions | — | 131 instructions, mostly single-clock cycle |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| General Purpose I/O | — | 32 lines |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| USART | — | 2 |
| Serial Interfaces | — | TWI (I2C-compatible), SPI |
| ADC | — | 8-channel 10-bit |
| Real-Time Counter | — | Yes |
| 电源电压 | — | 2.5 V / 3.3 V / 5 V operation |
| 封装 | — | 44-TQFP (10 x 10 mm) |
| Low Power Technology | — | picoPower |