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