ATSAM4S4AA-AU vs ATSAM4S8CA-AU 对比
详细并排对比 ATSAM4S4AA-AU 出自 Microchip Technology 和 ATSAM4S8CA-AU 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
ATSAM4S4AA-AU - Cortex-M4 120MHz MCU 256KB Flash | Microchip
ATSAM4S4AA-AU ✓ 量产中Microchip Technology
ATSAM4S8CA-AU - ARM Cortex-M4 120MHz 512KB Flash MCU | Microchip
ATSAM4S8CA-AU ✓ 量产中规格对比
| 参数 | ATSAM4S4AA-AU | ATSAM4S8CA-AU |
|---|---|---|
| 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） | $3.75 | $5.74 |
| Core Processor | ARM Cortex-M4 | — |
| Core Size | 32-Bit | — |
| 最大时钟频率 | 120 MHz | — |
| Flash Memory | 256 KB (256K x 8) | — |
| SRAM | 64 KB | 128 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Number of I/O | 38 | — |
| 封装 | 48-LQFP (7x7 mm) | 100-pin LQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| Peripherals | DMA, PWM, WDT, I2S | — |
| Connectivity | I2C, SPI, UART/USART | — |
| Data Converters | ADC, DAC | — |
| Packaging | Tray | — |
| RoHS 状态 | Compliant (Green) | Compliant |
| Series | SAM4S | — |
| Core | — | ARM Cortex-M4 |
| Core Features | — | DSP, FPU (single precision), Thumb-2 instruction set, MPU |
| Instruction Cache | — | 2 KB |
| Maximum Clock Speed | — | 120 MHz |
| Performance | — | 1.25 DMIPS/MHz (Dhrystone 2.1) |
| Program Memory (Flash) | — | 512 KB (512K x 8) |
| Supply Voltage (VDDIO/VDDCORE) | — | 1.62 V to 3.6 V |
| Backup Supply (VDDBU) | — | 1.62 V to 3.6 V |
| ADC | — | 12-bit, up to 1 MSPS |
| USB | — | Full-Speed USB Device with on-chip transceiver |
| MSL 等级 | — | 3 (168 hours) |
| Lead-Free / Halogen-Free | — | Yes (per Microchip product page) |