AT90USB1287-AU vs AT90USB647-AUR 对比
详细并排对比 AT90USB1287-AU 出自 Microchip Technology 和 AT90USB647-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。
规格对比
| 参数 | AT90USB1287-AU | AT90USB647-AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | Unknown | 有效 |
| Processor Core | 8-bit AVR enhanced RISC | — |
| 最大时钟频率 | 16 MHz | — |
| Maximum Throughput | Approaching 16 MIPS at 16 MHz | — |
| Program Memory Size | 128 KB flash (128K x 8) | 64 KB (64K x 8) flash |
| Program Memory Features | In-System Programmable flash with read-while-write capability | — |
| EEPROM Size | 4 KB (4K x 8) | — |
| SRAM Size | 8 KB (8K x 8) | 4 KB (4K x 8) |
| General-Purpose I/O Lines | 48 | 48 |
| General-Purpose Working Registers | 32 | 32 |
| USB Version | USB 2.0 | USB 2.0 |
| USB Operating Modes | Low-speed and full-speed On-The-Go | Low-speed and full-speed On-The-Go |
| ADC Resolution | 10 bits | — |
| ADC Channel Count | 8 channels | — |
| Timer/Counter Count | 4 | — |
| Serial Interfaces | USART and byte-oriented 2-wire serial interface | USART and byte-oriented 2-wire serial interface |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Supported Logic Levels | 3.3 V and 5 V | — |
| Real-Time Counter | 1 | — |
| Debug Interface | JTAG on-chip debug | — |
| 封装 | 64-TQFP, 14 x 14 mm | 64-TQFP (14x14 mm) |
| 安装类型 | Surface mount | — |
| Temperature Grade | Industrial temperature grade | — |
| Product Type | — | 8-bit AVR RISC microcontroller |
| Maximum Clock Speed | — | 16 MHz |
| Flash Read-While-Write | — | Supported |
| EEPROM Memory Size | — | 2 KB |
| Timer/Counter Blocks | — | 4 |
| Oscillator Type | — | Internal |
| Packaging | — | Tape & Reel (TR) |
| Programming and Debugging | — | In-Circuit Serial Programming (ICSP) and MPLAB Snap support |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |