ATMEGA3290A-AU vs ATMEGA3250A-AUR 对比
详细并排对比 ATMEGA3290A-AU 出自 Microchip Technology 和 ATMEGA3250A-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
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA3290A-AU | ATMEGA3250A-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） | $3.85 | $3.55 |
| Core Processor | AVR | AVR |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | — |
| Program Memory Size | 32KB (16K x 16) FLASH | 32 KB (16K x 16) Flash |
| RAM Size | 2K x 8 SRAM | 2 KB SRAM |
| EEPROM Size | 1KB | 1 KB |
| Number of I/O | 69 | — |
| 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) | — |
| 工作温度 | Industrial range | — |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| 工作电源电压 | [DATA_NEEDED: operating supply voltage range] | — |
| 最大时钟频率 | — | 20 MHz |
| I/O Count | — | 54 general purpose I/O lines |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Data Converters | — | 10-bit ADC, 8 channels |
| Connectivity | — | SPI, UART/USART |
| Debug / Scan | — | JTAG (IEEE 1149.1 boundary scan, on-chip debug) |
| 封装 | — | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| Instruction Set | — | 131 AVR instructions, mostly single-cycle |
| In-System Programming | — | Yes, ISP Flash with read-while-write |
| Compliance | — | [DATA_NEEDED: RoHS/REACH status] |