ATSAM3S2AA-AUR vs ATSAM3S4AA-AUR 对比
详细并排对比 ATSAM3S2AA-AUR 出自 Microchip Technology 和 ATSAM3S4AA-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
ATSAM3S2AA-AUR - 64MHz Cortex-M3 MCU 128KB Flash | Microchip
ATSAM3S2AA-AUR ✓ 量产中Microchip Technology
ATSAM3S4AA-AUR - 64MHz Cortex-M3 MCU, 256KB Flash | Microchip
ATSAM3S4AA-AUR ✓ 量产中规格对比
| 参数 | ATSAM3S2AA-AUR | ATSAM3S4AA-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） | $2.66 | $5.42 |
| Core Processor | ARM Cortex-M3 | ARM Cortex-M3 |
| Core Size | 32-Bit | 32-Bit |
| 最大时钟频率 | 64 MHz | 64 MHz |
| Flash Memory | 128 KB (131 KB per some distributor listings) | 256 KB (256K x 8) |
| SRAM | 32 KB | 48 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Technology | CMOS | — |
| Connectivity | UART, SPI, I2C (TWI), I2S, USB 2.0 Full-Speed | I2C, SPI, USB, MMC/SDIO, UART, USART |
| 封装 | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C |
| Instruction Set | RISC / Thumb-2 | — |
| Pin-to-Pin Compatibility | Compatible with SAM3N2A | — |
| Packaging | Tape & Reel (TR) | Tape & Reel (suffix R) |
| RoHS 状态 | Compliant (Green package per distributor listing) | [DATA_NEEDED: RoHS compliance status] |
| Peripheral Features | DMA, parallel data capture mode on PIOs | — |
| EEPROM / Data Flash | [DATA_NEEDED: EEPROM size] | — |
| Number of I/O | [DATA_NEEDED: GPIO count] | [DATA_NEEDED: number of programmable I/O lines] |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | — |
| Peripherals | — | Brown-out Detect/Reset, POR, PWM, DMA, WDT |
| Data Converters | — | A/D 12-bit, D/A 10-bit |
| USB | — | Full Speed USB Device with embedded transceiver |
| Program Memory Type | — | FLASH |