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ATSAM4SD32BB-MN
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 64QFN
- Series：SAM4S
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：47
- 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 11x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAM4SD32BB-MN is a 32-bit microcontroller from the SAM4S series, manufactured by Microchip Technology. It features an ARM Cortex-M4 core operating at up to 120 MHz. The device integrates 512 KB of embedded Flash memory and 96 KB of SRAM. It utilizes a 100-TFBGA package with dimensions of 9x9 mm. The unit supports a supply voltage range of 1.62 V to 3.6 V and operates within a temperature range of -40°C to 105°C.
Feature Summary
- Integrates an ARM Cortex-M4 processor with DSP instruction set and Memory Protection Unit (MPU).
- Includes dual-bank Flash memory architecture with optional cache for enhanced code execution efficiency.
- Provides comprehensive connectivity interfaces including USB 2.0 Device, multiple USARTs, SPI, I2C, and SSC.
- Features built-in analog peripherals such as 16-channel 12-bit ADC and two 12-bit DACs.
Applications
- Smart energy metering systems requiring secure data handling.
- Industrial control applications utilizing high-performance processing.
- Consumer electronics devices needing robust USB connectivity.
- Automotive infotainment subsystems demanding reliable MCU performance.
Procurement Notes
Verify the specific suffix 'MN' against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-TFBGA configuration. Cross-reference the part number with current datasheets to validate manufacturing status and any recent engineering change notices affecting pinout or electrical characteristics.
Selection Notes
Select this component when a balance of high processing speed and substantial memory is required in a compact form factor. The inclusion of MPU support makes it suitable for applications needing basic security isolation. Consider the TFBGA package constraints regarding thermal dissipation and assembly complexity compared to LQFP alternatives within the same series.
Part Context
This microcontroller belongs to the SAM4S family, which is designed for cost-sensitive applications requiring Cortex-M4 performance. It serves as a successor to legacy SAM7S products while maintaining pin compatibility with certain SAM3S variants. The series emphasizes low power consumption modes alongside high-speed operation capabilities.
Replacement Considerations
Consult official substitution lists for direct pin-compatible alternatives within the SAM4S family. Verify that candidate replacements match the specific Flash size, RAM capacity, and package dimensions. Confirm interface availability and peripheral counts align with design requirements before finalizing any swap.
