ATMEGA3290PA-AU vs ATMEGA3250A-AUR 对比
详细并排对比 ATMEGA3290PA-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
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU ✓ 量产中Microchip Technology
ATMEGA3250A-AUR - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3250A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA3290PA-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） | $4.48 | $3.55 |
| Core Architecture | AVR 8-bit RISC | — |
| Core Size | 8-Bit | 8-Bit |
| Max Clock Frequency | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | — |
| SRAM | 2 KB | — |
| EEPROM | 1 KB | — |
| Number of I/O Lines | 69 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 131 Powerful Instructions, Most Single-Cycle | 131 AVR instructions, mostly single-cycle |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| 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 | — |
| 封装 | 100-TQFP (14 x 14 mm) | 100-TQFP (14x14 mm, 0.8 mm pitch) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Range | Industrial | — |
| RoHS / Green Status | Green (RoHS compliant per distributor listing) | — |
| Core Processor | — | AVR |
| Program Memory Size | — | 32 KB (16K x 16) Flash |
| EEPROM Size | — | 1 KB |
| RAM Size | — | 2 KB SRAM |
| 最大时钟频率 | — | 20 MHz |
| I/O Count | — | 54 general purpose I/O lines |
| Data Converters | — | 10-bit ADC, 8 channels |
| Connectivity | — | SPI, UART/USART |
| Debug / Scan | — | JTAG (IEEE 1149.1 boundary scan, on-chip debug) |
| Packaging | — | Tape & Reel (TR) |
| In-System Programming | — | Yes, ISP Flash with read-while-write |
| Compliance | — | [DATA_NEEDED: RoHS/REACH status] |