ATSAM4S8CA-AU vs ATSAM4S4CA-CU 对比
详细并排对比 ATSAM4S8CA-AU 出自 Microchip Technology 和 ATSAM4S4CA-CU 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
ATSAM4S8CA-AU - ARM Cortex-M4 120MHz 512KB Flash MCU | Microchip
ATSAM4S8CA-AU ✓ 量产中Microchip Technology
ATSAM4S4CA-CU - 120MHz Cortex-M4 MCU 256KB Flash | Microchip
ATSAM4S4CA-CU ✓ 量产中规格对比
| 参数 | ATSAM4S8CA-AU | ATSAM4S4CA-CU |
|---|---|---|
| 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） | $5.74 | $3.45 |
| 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) | 256 KB (256K x 8) |
| SRAM | 128 KB | 64 KB |
| Supply Voltage (VDDIO/VDDCORE) | 1.62 V to 3.6 V | — |
| Backup Supply (VDDBU) | 1.62 V to 3.6 V | — |
| 工作温度 | -40C to +85C (industrial) | — |
| ADC | 12-bit, up to 1 MSPS | 12-bit successive approximation |
| 封装 | 100-pin LQFP (14x14 mm) | 100-ball TFBGA (9x9 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| USB | Full-Speed USB Device with on-chip transceiver | — |
| MSL 等级 | 3 (168 hours) | 3 (per JEDEC J-STD-020, reflow up to 260 C) |
| RoHS 状态 | Compliant | Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | — |
| Core Architecture | — | ARM Cortex-M4 with FPU and DSP instructions |
| 最大时钟频率 | — | 120 MHz |
| Supply Voltage (VDDIO/VDDANA) | — | 1.2 V core / 3.3 V I/O (per datasheet) |
| 工作温度范围 | — | -40 C to +85 C (industrial) |
| USB Interface | — | USB 2.0 Full-Speed Device with embedded transceiver |
| External Bus Interface (EBI) | — | Supports SRAM, PSRAM, NOR Flash, NAND Flash, LCD modules |
| Touch Library Support | — | Microchip QTouch capacitive touch (buttons, sliders, wheels) |
| Communication Peripherals | — | USART, SPI, TWI (I2C), HS USB |
| Timers/PWM | — | 16-bit and 32-bit timers with PWM channels |
| Lead-Free | — | Yes (Green / Pb-free) |
| Product Family Pin Compatibility | — | Pin-to-pin compatible with SAM7S, SAM3N, SAM3S, SAM4N devices |