ATMEGA6490-16AUR vs ATMEGA3290-16AI 对比
详细并排对比 ATMEGA6490-16AUR 出自 Microchip Technology 和 ATMEGA3290-16AI 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
ATMEGA6490-16AUR - 8-bit AVR MCU 64KB Flash 16MHz LCD | Microchip
ATMEGA6490-16AUR ✓ 量产中Microchip Technology
ATMEGA3290-16AI - AVR 8-bit MCU 16MHz 32KB TQFP-100 | Microchip
ATMEGA3290-16AI ✓ 量产中规格对比
| 参数 | ATMEGA6490-16AUR | ATMEGA3290-16AI |
|---|---|---|
| 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） | $8.45 | $4.14 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC, 130 instructions |
| Flash Program Memory | 64 KB (32K x 16) ISP, read-while-write | 32 KB (16K x 16) |
| EEPROM | 2 KB | 1 KB |
| SRAM | 4 KB | 2 KB |
| Maximum CPU Speed | 16 MHz | — |
| General Purpose I/O | 54 / 69 lines | 69 I/O lines |
| Working Registers | 32 general purpose registers | 32 x 8-bit general purpose |
| LCD Controller | Integrated segment LCD driver | Integrated segmented LCD driver |
| ADC | 8-channel 10-bit | — |
| Debug / Boundary Scan | JTAG interface | — |
| 电源电压 | 4.5 V to 5.5 V (16 MHz grade) | — |
| Low Power Technology | picoPower | picoPower AVR, multiple sleep modes |
| 封装 | 100-TQFP (14 x 14 mm) | 100-TQFP (14 x 14 mm) |
| 工作温度 | -40C to +85C (industrial) | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (R suffix) | — |
| RoHS 状态 | Compliant (GREEN, per FindIC data) | Compliant (RoHS per distributor listings) |
| Instructions | 130 instructions, mostly single-cycle | — |
| 最大时钟频率 | — | 16 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Serial Interfaces | — | SPI, UART/USART, USI |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| In-System Programming | — | Yes (self-programming Flash, read-while-write) |