ATMEGA644PA-AU vs ATMEGA164PA-AUR 对比
详细并排对比 ATMEGA644PA-AU 出自 Microchip Technology 和 ATMEGA164PA-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-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ 量产中Microchip Technology
ATMEGA164PA-AUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA644PA-AU | ATMEGA164PA-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） | $4.61 | $2.05 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR enhanced RISC |
| Family | ATmega | — |
| Series | ATmega644P / picoPower | — |
| 最大时钟频率 | 20 MHz | 20 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) | 16 KB (8K x 16) in-system programmable |
| SRAM | 4 KB | 1 KB |
| EEPROM | 2 KB | 512 B |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| 工作温度 | -40C to +85C (industrial) | — |
| GPIO Pins | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit successive approximation |
| USART | 2 | — |
| I2C (TWI) | 1 | — |
| SPI | 1 | — |
| Timer/Counters | 3 (with PWM and compare modes) | — |
| 封装 | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| MIPS | 20 MIPS at 20 MHz | — |
| Programming Interface | ISP / ICSP / JTAG / debugWIRE | — |
| RoHS 状态 | Compliant | Compliant |
| Throughput | — | Up to 20 MIPS at 20 MHz (1 MIPS/MHz) |
| General Purpose I/O Lines | — | 32 |
| General Purpose Working Registers | — | 32 |
| Serial Interfaces | — | 2x USART, 1x TWI (I2C), 1x SPI |
| Timers | — | 2x 8-bit, 1x 16-bit with PWM and compare modes |
| Real-Time Counter | — | Yes, with separate oscillator |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| Packaging | — | Tape & Reel (AUR suffix) |
| Instruction Set | — | 131 powerful instructions, most single clock cycle |
| Programming Interfaces | — | SPI, JTAG (IEEE 1149.1), debugWIRE |