ATMEGA3290PA-AU vs ATMEGA649A-MU 对比
详细并排对比 ATMEGA3290PA-AU 出自 Microchip Technology 和 ATMEGA649A-MU 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
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU ✓ 量产中
规格对比
| 参数 | ATMEGA3290PA-AU | ATMEGA649A-MU |
|---|---|---|
| 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） | $4.48 | $4.42 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Core Size | 8-Bit | — |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 64 KB (32K x 16) ISP Flash |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Number of I/O Lines | 69 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 131 Powerful Instructions, Most Single-Cycle | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) |
| LCD Controller | On-chip segment LCD with internal contrast control | — |
| Debug/Programming Interface | JTAG (boundary-scan, on-chip debug, programming) | — |
| Flash Programming | In-System Programmable (ISP), read-while-write | — |
| Low Power Technology | picoPower | — |
| 封装 | 100-TQFP (14 x 14 mm) | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Range | Industrial | — |
| RoHS / Green Status | Green (RoHS compliant per distributor listing) | — |
| Maximum Clock Speed | — | 16 MHz |
| General Purpose I/O | — | 54/69 I/O lines |
| Working Registers | — | 32 general purpose registers |
| Debug Interface | — | JTAG (boundary scan and on-chip debug) |
| 工作温度 | — | -40C to +85C (Industrial) |
| Program Memory Type | — | Flash (read-while-write) |
| Series | — | AVR ATmega |
| RoHS 状态 | — | Compliant (Green package) |
| Core Performance | — | Up to 16 MIPS at 16 MHz (single-cycle instructions) |