ATMEGA6490P-AUR vs ATMEGA3290PA-AUR 对比
详细并排对比 ATMEGA6490P-AUR 出自 Microchip Technology 和 ATMEGA3290PA-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。
Microchip Technology
ATMEGA6490P-AUR - 8-bit AVR MCU 64KB Flash LCD | Microchip
ATMEGA6490P-AUR ✓ 量产中Microchip Technology
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA6490P-AUR | ATMEGA3290PA-AUR |
|---|---|---|
| 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 | $2.95 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | — |
| Program Memory Size | 64 KB (32K x 16) FLASH | 32KB (16K x 16) |
| Program Memory Type | ISP FLASH, self-programming, read-while-write | FLASH |
| EEPROM Size | 2 KB | 1KB |
| RAM Size | 4 KB | 2KB |
| Number of I/O | 54 (69 including LCD segment drive) | — |
| 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) | -40C to +85C (Industrial) |
| 封装 | 100-TQFP (14x14 mm) | TQFP-100 (14x14 mm), 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Green / Compliant (per FindIC listing) |
| Lifecycle Stage | ACTIVE | — |
| 最大时钟频率 | — | 20 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| Instruction Set | — | 131 powerful instructions, most single-clock cycle |
| LCD Driver | — | 4 x 40 Segment LCD Driver |
| Timers | — | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter |
| Programming Method | — | In-System Programmable (ISP), self-programming Flash |
| Power Modes | — | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) |