ATMEGA164A-MCHR vs ATMEGA1284P-MUR 对比
详细并排对比 ATMEGA164A-MCHR 出自 Microchip Technology 和 ATMEGA1284P-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
ATMEGA164A-MCHR - 8-bit AVR MCU 16KB Flash 20MHz QFN-44 | Microchip
ATMEGA164A-MCHR ✓ 量产中Microchip Technology
ATMEGA1284P-MUR - 8-bit AVR MCU 20MHz 128KB Flash | Microchip
ATMEGA1284P-MUR ✓ 量产中规格对比
| 参数 | ATMEGA164A-MCHR | ATMEGA1284P-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） | $3.01 | $0.00 |
| Core Architecture | AVR 8-bit RISC | — |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory | 16 KB (8K x 16) ISP Flash | — |
| EEPROM | 512 B | 4 KB |
| SRAM | 1 KB | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 32 I/O lines | — |
| General Purpose Working Registers | 32 registers | — |
| Instruction Set | 133 instructions, mostly single-cycle | — |
| Throughput | Up to 1 MIPS per MHz | Up to 20 MIPS at 20 MHz |
| 封装 | 44-QFN (MLF) 5x5 mm | 44-VQFN (7x7 mm), exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Operating Temperature (Max) | 85 C | — |
| Packaging | Tape and Reel (R suffix) | — |
| Programming | In-System Programmable (ISP), read-while-write | — |
| Debug Interface | In-Circuit Debug via MPLAB SNAP (ICSP) | — |
| 生命周期状态 | Active | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | — |
| Core | — | AVR 8-bit RISC |
| Max Clock Frequency | — | 20 MHz |
| Flash Program Memory | — | 128 KB (64K x 16), In-System Programmable |
| General Purpose I/O Lines | — | 32 |
| USARTs | — | 2 |
| Timer/Counters | — | 3 (with compare modes and PWM) |
| ADC | — | 8-channel, 10-bit |
| Serial Interfaces | — | TWI (I2C, byte-oriented), SPI, 2x USART |
| Real Time Counter | — | Yes (RTC) |
| Working Registers | — | 32 x 8 general purpose |
| Instructions | — | 131 instructions, most single-cycle |
| Multiplier | — | On-chip 2-cycle hardware multiplier |
| Debug / Programming | — | ISP (In-Circuit Serial Programming), JTAG |
| Life Cycle Stage | — | Active |