ATSAM3SD8BA-AU vs ATSAM3N4BA-MU 对比
详细并排对比 ATSAM3SD8BA-AU 出自 Microchip Technology 和 ATSAM3N4BA-MU 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
ATSAM3SD8BA-AU - 512KB Flash Cortex-M3 MCU 64MHz | Microchip
ATSAM3SD8BA-AU ✓ 量产中Microchip Technology
ATSAM3N4BA-MU - 48MHz Cortex-M3 MCU, 256KB Flash | Microchip
ATSAM3N4BA-MU ✓ 量产中规格对比
| 参数 | ATSAM3SD8BA-AU | ATSAM3N4BA-MU |
|---|---|---|
| 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） | $8.05 | $3.48 |
| Core Processor | ARM Cortex-M3 revision 2.0 | ARM Cortex-M3 revision 2.0 |
| Core Size | 32-Bit | 32-bit |
| Maximum Clock Speed | 64 MHz | — |
| Flash Memory | 512KB (512K x 8) | — |
| SRAM | 100KB | — |
| Core Supply Voltage (VDDCORE) | 1.08 V to 1.32 V | — |
| I/O Supply Voltage | 1.62 V to 3.6 V | — |
| Number of I/O | 47 | 47 |
| USB | USB 2.0 High-Speed Device with integrated transceiver | — |
| Memory Protection Unit | Yes (MPU) | — |
| Instruction Set | Thumb-2 | Thumb-2 |
| Peripherals | DMA, 12-bit DAC, USART, SPI, TWI, PWM, ADC | — |
| 封装 | 64-LQFP (10 x 10 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C |
| RoHS 状态 | Compliant (LQFP, Green, MRL) | Compliant (lead-free MU suffix) |
| 生命周期状态 | Active | — |
| Compatibility | Pin-to-pin compatible with AT91SAM7S legacy series | — |
| 最大时钟频率 | — | 48 MHz |
| Flash Memory Size | — | 256KB (256K x 8) |
| RAM Size | — | 24K x 8 |
| 电源电压 | — | 1.8 V to 3.3 V |
| Oscillator Type | — | Internal |
| SysTick Timer | — | 24-bit |
| Interrupt Controller | — | NVIC (Nested Vector Interrupt Controller) |
| 封装 / 外壳 | — | 64-QFN (9x9 mm) with exposed pad |
| Packaging | — | Tray |
| Pin Compatibility | — | Pin-to-pin compatible with SAM3S (48/64/100-pin) and SAM7S (48/64-pin) |