ATSAM4S4CA-CU vs ATSAM4S4CB-CNR Comparison
Detailed side-by-side comparison of ATSAM4S4CA-CU by Microchip Technology and ATSAM4S4CB-CNR 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
ATSAM4S4CB-CNR - 120MHz Cortex-M4 MCU 256KB Flash | Microchip
ATSAM4S4CB-CNR ✓ ActiveSpecification Comparison
| Parameter | ATSAM4S4CA-CU | ATSAM4S4CB-CNR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.45 | $4.18 |
| Core Architecture | ARM Cortex-M4 with FPU and DSP instructions | — |
| Maximum Clock Frequency | 120 MHz | 120 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) | — |
| SRAM | 64 KB | 64 KB |
| Supply Voltage (VDDIO/VDDANA) | 1.2 V core / 3.3 V I/O (per datasheet) | — |
| Package | 100-ball TFBGA (9x9 mm) | 100-TFBGA (9x9 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 | — |
| 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 |
| 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 | — |
| Core Processor | — | ARM Cortex-M4 (SAM4S) |
| Core Size | — | 32-Bit Single-Core |
| Flash Memory | — | 256 KB (256K x 8) |
| Operating Temperature | — | -40C to +105C (Extended) |
| Maximum Supply Voltage | — | 3.6 V |
| SPI Interfaces | — | 3 |
| UART Interfaces | — | 4 |
| I2C Interfaces | — | 2 |
| Internal Oscillators | — | 4 MHz, 8 MHz, 12 MHz, 32 kHz |
| Crypto Engine | — | No |
| Pin/Ball Count | — | 100 |
| Packaging | — | Tape & Reel (MRL B), GREEN package |