ATMEGA6490P-AUR vs ATMEGA3290A-AU 对比
详细并排对比 ATMEGA6490P-AUR 出自 Microchip Technology 和 ATMEGA3290A-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
ATMEGA6490P-AUR - 8-bit AVR MCU 64KB Flash LCD | Microchip
ATMEGA6490P-AUR ✓ 量产中
规格对比
| 参数 | ATMEGA6490P-AUR | ATMEGA3290A-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） | $5.95 | $3.85 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | 20 MHz |
| Program Memory Size | 64 KB (32K x 16) FLASH | 32KB (16K x 16) FLASH |
| Program Memory Type | ISP FLASH, self-programming, read-while-write | — |
| EEPROM Size | 2 KB | 1KB |
| RAM Size | 4 KB | 2K x 8 SRAM |
| Number of I/O | 54 (69 including LCD segment drive) | 69 |
| Peripherals | LCD controller, picoPower, brown-out detect/reset, POR, WDT | — |
| Architecture | Advanced RISC, 130 instructions, 32 x 8-bit working registers | — |
| 电源电压 | [DATA_NEEDED: supply voltage range] | — |
| 工作温度 | -40C to +85C (A grade, industrial) | Industrial range |
| 封装 | 100-TQFP (14x14 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | — |
| Lifecycle Stage | ACTIVE | — |
| Working Registers | — | 32 general purpose |
| Instructions | — | 130 powerful instructions, most single-cycle |
| LCD Controller | — | On-chip, up to 4 x 40 segments, internal contrast control |
| Timers | — | Two 8-bit with prescaler/compare, one 16-bit |
| Debug/Programming Interface | — | JTAG (boundary-scan, on-chip debug and programming) |
| Oscillator Type | — | Internal |
| 封装 / 外壳 | — | 100-TQFP (14x14 mm) |
| Packaging | — | Tape & Reel (TR) |
| 工作电源电压 | — | [DATA_NEEDED: operating supply voltage range] |