ATSAM4SD32CA-CU vs ATSAM4S4CA-CU Comparison
Detailed side-by-side comparison of ATSAM4SD32CA-CU 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
ATSAM4SD32CA-CU - 120MHz Cortex-M4 MCU 2MB Flash 100-TFBGA | Microchip
ATSAM4SD32CA-CU ✓ ActiveMicrochip Technology
ATSAM4S4CA-CU - 120MHz Cortex-M4 MCU 256KB Flash | Microchip
ATSAM4S4CA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4SD32CA-CU | ATSAM4S4CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.62 | $3.45 |
| Core Architecture | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU and DSP instructions |
| Maximum Clock Frequency | 120 MHz | 120 MHz |
| Instruction Cache | 2 KB | — |
| Program Memory (Flash) | 2 MB (2M x 8) | 256 KB (256K x 8) |
| SRAM | 160 KB | 64 KB |
| Supply Voltage Range | 1.62 V to 3.6 V | — |
| Package | 100-ball TFBGA (9x9 mm) | 100-ball TFBGA (9x9 mm) |
| Operating Temperature Range | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
| ADC | 10-bit, up to 16 channels, 1 MSps | 12-bit successive approximation |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG | USB 2.0 Full-Speed Device with embedded transceiver |
| CAN | 2 x CAN 2.0A/B | — |
| USART | 3 x USART | — |
| TWI (I2C-compatible) | 2 x TWI | — |
| SPI | 2 x SPI | — |
| Memory Protection Unit (MPU) | Yes | — |
| DSP Extensions | Yes (single-precision FPU + MAC) | — |
| Pin-to-Pin Compatibility | SAM3N, SAM3S, SAM7S legacy 64/100-pin variants | — |
| Mounting Type | Surface Mount (TFBGA) | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Supply Voltage (VDDIO/VDDANA) | — | 1.2 V core / 3.3 V I/O (per datasheet) |
| 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 |
| MSL Level | — | 3 (per JEDEC J-STD-020, reflow up to 260 C) |
| Lead-Free | — | Yes (Green / Pb-free) |
| Product Family Pin Compatibility | — | Pin-to-pin compatible with SAM7S, SAM3N, SAM3S, SAM4N devices |