ATMEGA649A-MU vs ATMEGA3290PA-AU 对比
详细并排对比 ATMEGA649A-MU 出自 Microchip Technology 和 ATMEGA3290PA-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
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU ✓ 量产中规格对比
| 参数 | ATMEGA649A-MU | ATMEGA3290PA-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） | $4.42 | $4.48 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 32 KB (16K x 16) |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum Clock Speed | 16 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) | 1.8 V to 5.5 V |
| General Purpose I/O | 54/69 I/O lines | — |
| Working Registers | 32 general purpose registers | — |
| Debug Interface | JTAG (boundary scan and on-chip debug) | — |
| 封装 | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 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) | — |
| Core Size | — | 8-Bit |
| Max Clock Frequency | — | 20 MHz |
| Number of I/O Lines | — | 69 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 Powerful Instructions, Most Single-Cycle |
| 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 |
| Temperature Range | — | Industrial |
| RoHS / Green Status | — | Green (RoHS compliant per distributor listing) |