ATSAM3S2AA-MU vs ATSAM3S4AA-MUR 对比
详细并排对比 ATSAM3S2AA-MU 出自 Microchip Technology 和 ATSAM3S4AA-MUR 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
ATSAM3S2AA-MU - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-MU ✓ 量产中Microchip Technology
ATSAM3S4AA-MUR - 64MHz Cortex-M3 MCU 256KB Flash | Microchip
ATSAM3S4AA-MUR ✓ 量产中规格对比
| 参数 | ATSAM3S2AA-MU | ATSAM3S4AA-MUR |
|---|---|---|
| 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） | $3.60 | $4.85 |
| Core Processor | ARM Cortex-M3 (revision 2.0) | ARM Cortex-M3 |
| Core Size | 32-bit | 32-Bit |
| Max Clock Speed | 64 MHz | — |
| Flash Memory | 128 KB (128K x 8) | 256 KB (256K x 8) |
| SRAM | 32 KB | [DATA_NEEDED: SRAM size] |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Supply Voltage Nominal | 1.8 V / 3.3 V | — |
| I/O Count | 47 I/O ports | — |
| 封装 | 48-QFN (7x7 mm) exposed pad | 48-QFN (7x7 mm) Exposed Pad |
| 安装类型 | Surface Mount | Surface Mount |
| Instruction Set | Thumb-2 | Thumb-2 (RISC) |
| Memory Protection | MPU included | — |
| USB | USB 2.0 Full-Speed device | — |
| Pin Compatibility | Pin-to-pin compatible with AT91SAM7S and SAM3N (48-pin) | — |
| Life Cycle Stage | Active | — |
| Peripherals | DMA, 12-bit ADC, PWM, USART, parallel capture PIO | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| MSL 等级 | [DATA_NEEDED: moisture sensitivity level] | — |
| 最大时钟频率 | — | 64 MHz |
| Series | — | SAM3S |
| Operating Supply Classes | — | 1.8 V / 3.3 V |
| 引脚数量 | — | 48 |
| 接口 | — | USB, UART, SPI, TWI (I2C) |
| DMA | — | Yes |
| Data Capture | — | PIO parallel capture mode (image-sensor compatible) |
| On-chip Regulator | — | 1.8 V LDO (VDDOUT) |
| Packaging | — | Tape & Reel (MUR suffix) |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |
| RoHS 状态 | — | RoHS Compliant (Green package per Mouser listing) |