ATSAM4S8CA-AU vs ATSAM4S4CA-CU Comparison
Detailed side-by-side comparison of ATSAM4S8CA-AU by Microchip Technology and ATSAM4S4CA-CU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATSAM4S8CA-AU - ARM Cortex-M4 120MHz 512KB Flash MCU | Microchip
ATSAM4S8CA-AU β ActiveMicrochip Technology
ATSAM4S4CA-CU - 120MHz Cortex-M4 MCU 256KB Flash | Microchip
ATSAM4S4CA-CU β ActiveSpecification Comparison
| Parameter | ATSAM4S8CA-AU | ATSAM4S4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.74 | $3.90 |
| Core | ARM Cortex-M4 | β |
| Core Features | DSP, FPU (single precision), Thumb-2 instruction set, MPU | β |
| Instruction Cache | 2 KB | β |
| Maximum Clock Speed | 120 MHz | β |
| Performance | 1.25 DMIPS/MHz (Dhrystone 2.1) | β |
| Program Memory (Flash) | 512 KB (512K x 8) | β |
| SRAM | 128 KB | 64 KB (64K x 8) |
| Supply Voltage (VDDIO/VDDCORE) | 1.62 V to 3.6 V | β |
| Backup Supply (VDDBU) | 1.62 V to 3.6 V | β |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) |
| ADC | 12-bit, up to 1 MSPS | β |
| Package | 100-pin LQFP (14x14 mm) | 100-TFBGA (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| USB | Full-Speed USB Device with on-chip transceiver | Full-speed USB Device with embedded transceiver |
| MSL Level | 3 (168 hours) | β |
| RoHS Status | Compliant | β |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) | β |
| Core Processor | β | ARM Cortex-M4 |
| Core Size | β | 32-bit |
| Max Clock Speed | β | 120 MHz |
| Flash Memory | β | 256 KB (256K x 8) |
| Supply Voltage | β | 1.62 V to 3.6 V |
| Core Voltage | β | 1.2 V |
| Series | β | SAM4S |
| External Bus Interface | β | SRAM, PSRAM, NOR Flash, NAND Flash, LCD module |
| Touch Support | β | Microchip QTouch capacitive touch (buttons, sliders, wheels) |
| Pin Compatibility | β | Pin-to-pin compatible with SAM7S, SAM3N, SAM3S, SAM4N |
| Packaging | β | Tray |
| Green Status | β | Green (RoHS) package, MRL A |
| FPU / DSP | β | Hardware FPU and DSP instructions (Cortex-M4) |