ATSAM3S8BA-MU vs ATSAM3S4AA-MU 对比
详细并排对比 ATSAM3S8BA-MU 出自 Microchip Technology 和 ATSAM3S4AA-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
ATSAM3S8BA-MU - 64MHz Cortex-M3, 512KB Flash MCU | Microchip
ATSAM3S8BA-MU ✓ 量产中Microchip Technology
ATSAM3S4AA-MU - 64MHz Cortex-M3 256KB Flash MCU | Microchip
ATSAM3S4AA-MU ✓ 量产中规格对比
| 参数 | ATSAM3S8BA-MU | ATSAM3S4AA-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） | $5.72 | $3.85 |
| Core | ARM Cortex-M3, 32-bit | — |
| Core Clock Speed | 64 MHz | — |
| Flash Memory | 512 KB (512K x 8) | 256 KB (256K x 8) |
| SRAM | [DATA_NEEDED: SRAM size] | 48 KB |
| 电源电压 | 1.8 V / 2.5 V / 3.3 V | 1.62 V to 3.6 V |
| Core Supply Voltage Range | 1.08 V to 1.32 V | — |
| I/O Count | 47 | — |
| 封装 | 64-QFN (9x9 mm) Exposed Pad | 48-QFN (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| USB | USB 2.0 Full-Speed Device | USB 2.0 device |
| ADC Resolution | 12-bit and 10-bit | [DATA_NEEDED: ADC resolution and channels] |
| Series | SAM3S8 | — |
| Interface Peripherals | USART, SPI, TWI (I2C) | — |
| Life Cycle Stage | Active | — |
| 引脚数量 | 64 | — |
| Core Architecture | RISC, Harvard, 3-stage pipeline | — |
| Pin Compatibility | Pin-to-pin compatible with SAM7S series | — |
| Core Processor | — | ARM Cortex-M3 revision 2.0 |
| Core Size | — | 32-bit single-core |
| 最大时钟频率 | — | 64 MHz |
| Instruction Set | — | Thumb-2 |
| Memory Protection Unit | — | Yes (MPU) |
| Flash Access Width | — | 128-bit with memory accelerator |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| Communication Interfaces | — | USART, SPI, TWI (I2C), USB |
| Debug Interface | — | SWD (Serial Wire Debug) |
| Legacy Compatibility | — | Pin-to-pin compatible with AT91SAM7S (48/64-pin) |
| Packaging | — | Tray |