ATMEGA3250A-AU vs ATMEGA3290PA-AU 对比
详细并排对比 ATMEGA3250A-AU 出自 Microchip Technology 和 ATMEGA3290PA-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
ATMEGA3250A-AU - 8-bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3250A-AU ✓ 量产中Microchip Technology
ATMEGA3290PA-AU - 8-Bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA3290PA-AU ✓ 量产中规格对比
| 参数 | ATMEGA3250A-AU | ATMEGA3290PA-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） | $2.50 | $4.48 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | 8-Bit |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (16K x 16) |
| SRAM | 2 KB | 2 KB |
| EEPROM | 1 KB | 1 KB |
| 电源电压 | 4.5 V to 5.5 V | — |
| Number of I/O | 68 | — |
| I/O Ports | 32 (A-J port system) | — |
| Connectivity | SPI, UART/USART, TWI (I2C) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| ADC Resolution | 10 bit | — |
| ADC Channels | 8 | — |
| Instructions | 131 (most single-cycle) | — |
| Debug Interface | JTAG (on-chip debug + boundary scan) | — |
| 封装 | 100-TQFP (14x14 mm), 0.8 mm pitch | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| RoHS 状态 | Compliant (Green) | — |
| Core Architecture | — | AVR 8-bit RISC |
| Max Clock Frequency | — | 20 MHz |
| Number of I/O Lines | — | 69 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 131 Powerful Instructions, Most Single-Cycle |
| Supply Voltage Range | — | 1.8 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 |
| Temperature Range | — | Industrial |
| RoHS / Green Status | — | Green (RoHS compliant per distributor listing) |