ATMEGA3290V-8AU vs ATMEGA3250-16AU 对比
详细并排对比 ATMEGA3290V-8AU 出自 Microchip Technology 和 ATMEGA3250-16AU 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
ATMEGA3290V-8AU - 8MHz AVR MCU 32KB Flash LCD | Microchip
ATMEGA3290V-8AU ✓ 量产中Microchip Technology
ATMEGA3250-16AU - 8-bit AVR MCU 16MHz 32KB Flash | Microchip
ATMEGA3250-16AU ✓ 量产中规格对比
| 参数 | ATMEGA3290V-8AU | ATMEGA3250-16AU |
|---|---|---|
| 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） | $3.91 | $5.74 |
| Core | AVR 8-bit RISC | — |
| Core Size | 8-bit | 8-bit |
| Speed | 8 MHz | — |
| Program Memory Type | FLASH | — |
| Program Memory Size | 32 KB (16K x 16) | — |
| EEPROM Size | 1 KB | — |
| RAM Size | 2 KB | — |
| Number of I/O | 69 | — |
| I/O Ports | 32 | 32 |
| Instructions | 131 (most single-cycle) | 131 powerful instructions |
| Peripherals | LCD controller, Brown-out Detect/Reset, POR, PWM, WDT | — |
| ADC Resolution | 10-bit | — |
| Connectivity | SPI, UART/USART, TWI (I2C) | — |
| 封装 | 100-TQFP (14 x 14 mm), 0.8 mm pitch | 100-TQFP (14x14 mm), 0.80 mm pitch |
| 安装类型 | Surface Mount | Surface Mount |
| Supply Voltage Range | 1.8 V to 5.5 V (V grade) | 4.5 V to 5.5 V |
| 工作温度 | -40C to +85C (AU industrial grade) | -40C to +85C (industrial) |
| 生命周期状态 | ACTIVE | ACTIVE |
| Oscillator Type | Internal + External | — |
| Core Architecture | — | 8-bit AVR RISC |
| 最大时钟频率 | — | 16 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| General Purpose I/O | — | 54/69 I/O lines |
| Interfaces | — | USART, SPI, TWI (I2C), JTAG |
| Timers | — | Three flexible timer/counters with compare modes |
| Debug / Test | — | JTAG boundary-scan and on-chip debugging |
| Programming | — | In-System Programmable (ISP) Flash with read-while-write |