ATSAM4S4CA-CU vs ATSAM3U4EA-CU Comparison
Detailed side-by-side comparison of ATSAM4S4CA-CU by Microchip Technology and ATSAM3U4EA-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-CU - 120MHz Cortex-M4 MCU 256KB Flash | Microchip
ATSAM4S4CA-CU ✓ ActiveMicrochip Technology
ATSAM3U4EA-CU - 96MHz Cortex-M3 MCU 256KB Flash LFBGA-144 | Microchip
ATSAM3U4EA-CU ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S4CA-CU | ATSAM3U4EA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.45 | $12.05 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | ARM Cortex-M3 (32-bit RISC) |
| Maximum Clock Frequency | 120 MHz | — |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| SRAM | 64 KB | 52 KB |
| Supply Voltage (VDDIO/VDDANA) | 1.2 V core / 3.3 V I/O (per datasheet) | — |
| Package | 100-ball TFBGA (9x9 mm) | 144-ball LFBGA (10x10 mm) |
| Operating Temperature Range | -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) | — |
| ADC | 12-bit successive approximation | 12-bit |
| 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 (BGA) |
| MSL Level | 3 (per JEDEC J-STD-020, reflow up to 260 C) | — |
| RoHS Status | Compliant | — |
| Lead-Free | Yes (Green / Pb-free) | — |
| Product Family Pin Compatibility | Pin-to-pin compatible with SAM7S, SAM3N, SAM3S, SAM4N devices | — |
| Maximum CPU Clock | — | 96 MHz |
| Instruction Set | — | Thumb-2 |
| Program Memory | — | 256 KB Flash (dual-bank, 128-bit wide access) |
| Operating Voltage | — | 1.8 V / 3.3 V |
| USB | — | High-Speed USB 2.0 Device (480 Mbps, integrated transceiver) |
| Memory Card Interface | — | High-Speed MCI (SDIO/SD/MMC) |
| External Bus Interface | — | Yes (EBI - SRAM, NOR, NAND) |
| Memory Protection Unit | — | Yes (MPU) |
| GPIOs | — | Up to 96 |
| Operating Temperature | — | -40°C to +85°C |