ATMEGA1284-MU vs ATMEGA164PA-MUR 对比
详细并排对比 ATMEGA1284-MU 出自 Microchip Technology 和 ATMEGA164PA-MUR 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
ATMEGA1284-MU - 8-bit AVR MCU, 128KB Flash, 20MHz | Microchip (Tape & Reel)
ATMEGA1284-MU ✓ 量产中Microchip Technology
ATMEGA164PA-MUR - 8-Bit AVR MCU 16KB Flash 20MHz | Microchip
ATMEGA164PA-MUR ✓ 量产中规格对比
| 参数 | ATMEGA1284-MU | ATMEGA164PA-MUR |
|---|---|---|
| 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） | $1.72 | $2.89 |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 16 KB | 1 KB |
| EEPROM | 4 KB | 512 B |
| Operating Voltage | 2.5 V / 3.3 V / 5 V | — |
| Number of I/O | 32 | — |
| Connectivity | I2C, SPI, UART/USART | — |
| USARTs | 2 | — |
| ADC Resolution | 10-bit | — |
| Timers | 3 x timer/counter with compare modes and PWM | — |
| Real-Time Counter | Yes | 1 |
| 封装 | 44-VQFN (7x7 mm) with exposed pad | 44-VQFN (7x7 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Product Status | Active | — |
| Architecture | AVR enhanced RISC, 133 instructions, mostly single-cycle | — |
| Program Memory Size | — | 16 KB Flash (8K x 16) |
| 最大时钟频率 | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| 工作温度 | — | -40 C to +85 C (industrial) |
| I/O Lines | — | 32 |
| General Purpose Working Registers | — | 32 |
| Timers/Counters | — | 3 (with compare modes and PWM) |
| USART Interfaces | — | 2 |
| Two-Wire Serial Interface | — | 1 (byte-oriented, I2C compatible) |
| ADC | — | 8-channel 10-bit |
| Multiplier | — | On-chip 2-cycle |
| Instruction Set | — | 133 powerful instructions, most single clock cycle |
| RoHS 状态 | — | Compliant |