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ATSAM4SD32CB-CFNR
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 100VFBGA
- Series：SAM4S
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：EBI/EMI, I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：79
- Program Memory Size：2MB (2M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：160K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 16x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-VFBGA (7x7)
- Package / Case：100-VFBGA
- Grade：-
- Qualification：-
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Overview
The ATSAM4SD32CB-CFNR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at up to 120 MHz. It features 32 MB of embedded Flash memory and 512 KB of SRAM. The device includes an integrated Static Memory Controller (SMC) supporting external memory interfaces. Connectivity options include USB 2.0 OTG, multiple USARTs, SPI, I2C, and CAN bus. It operates within a voltage range of 1.62 V to 3.6 V and supports industrial temperatures from -40°C to +85°C.
Feature Summary
- Dual-core architecture with separate Cortex-M4 cores for high performance and real-time control
- Integrated Static Memory Controller for direct connection to external SRAM, PSRAM, NOR, and NAND Flash
- Hardware security features including AES-128/256 encryption engine and secure boot capabilities
- Comprehensive peripheral set including USB OTG, Ethernet MAC, and multiple high-speed serial interfaces
Applications
- Smart metering and energy management systems
- Industrial motor control and automation
- Medical equipment requiring high reliability
- Consumer electronics with complex user interfaces
Procurement Notes
Verify the specific suffix CFNR against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the TFBGA-100 package. Check for any recent product change notices regarding assembly sites or materials. Confirm availability through authorized Microchip distributors to avoid counterfeit components.
Selection Notes
Select this component when dual-core processing is required for separating real-time tasks from application logic. The integrated SMC allows expansion of memory beyond internal limits without external controllers. Consider power consumption requirements as the device supports various low-power modes. Evaluate pin count and interface availability against system connectivity needs before finalizing the design.
Part Context
This part belongs to the SAM4SD series, designed for applications demanding high performance and robust security. It extends the SAM4S family by adding dual-core capabilities and enhanced memory management. The series targets smart grid, industrial, and medical markets where deterministic real-time response and data integrity are critical.
Replacement Considerations
Direct pin-to-pin replacements may be limited within the same package. Verify functional equivalence if considering SAM4S single-core variants, noting the loss of dual-core processing. Cross-reference with SAM4E or SAM4N series only if architectural differences in peripherals and memory are acceptable.
