ATSAM4S4CA-CUR vs ATSAM4SD32CA-CU Comparison
Detailed side-by-side comparison of ATSAM4S4CA-CUR by Microchip Technology and ATSAM4SD32CA-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
ATSAM4S4CA-CUR - 120MHz Cortex-M4 MCU 256KB Flash | Microchip (Tape & Reel)
ATSAM4S4CA-CUR ✓ ActiveMicrochip Technology
ATSAM4SD32CA-CU - 120MHz Cortex-M4 MCU 2MB Flash 100-TFBGA | Microchip
ATSAM4SD32CA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S4CA-CUR | ATSAM4SD32CA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 120 MHz | 120 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) | 2 MB (2M x 8) |
| SRAM | 64 KB | 160 KB |
| Supply Voltage (VDDIO/VDDANA) | 1.2 V core / 3.3 V I/O (per datasheet) | — |
| 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) |
| USB Interface | USB 2.0 Full-Speed Device with embedded transceiver | USB 2.0 Full-Speed Device/Host/OTG |
| External Bus Interface (EBI) | Supports SRAM, PSRAM, NOR Flash, NAND Flash, LCD modules | — |
| Touch Library Support | Microchip QTouch capacitive touch (buttons, sliders, wheels) | — |
| ADC | 12-bit successive approximation | 10-bit, up to 16 channels, 1 MSps |
| Communication Peripherals | USART, SPI, TWI (I2C), HS USB | — |
| Timers/PWM | 16-bit and 32-bit timers with PWM channels | — |
| Mounting Type | Surface Mount | Surface Mount (TFBGA) |
| MSL Level | 3 (per JEDEC J-STD-020, reflow up to 260 C) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes (Green / Pb-free) | — |
| Product Family Pin Compatibility | Pin-to-pin compatible with SAM7S, SAM3N, SAM3S, SAM4N devices | — |
| Instruction Cache | — | 2 KB |
| Supply Voltage Range | — | 1.62 V to 3.6 V |
| 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 |