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ATSAMV71N21B-CB
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Product Detailed Parameters
- Description：IC MCU 32BIT 2MB FLASH 100TFBGA
- Series：SAM V71
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M7
- Core Size：32-Bit Single-Core
- Speed：300MHz
- Connectivity：CANbus, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：75
- Program Memory Size：2MB (2M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：384K x 8
- Voltage - Supply (Vcc/Vdd)：3V ~ 3.6V
- Data Converters：A/D 10x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TFBGA (9x9)
- Package / Case：100-TFBGA
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The ATSAMV71N21B-CB is an automotive-grade microcontroller from the SAM V71 series, built on a 32-bit ARM Cortex-M7 core with a floating-point unit. It features 2 MB of Flash memory and 384 kB of SRAM, operating at a maximum frequency of 300 MHz. The device includes 100 pins in a TFBGA package, providing 75 I/O lines. Key peripherals include multiple communication interfaces such as CAN, Ethernet, USB, and SPI. It supports AEC-Q100 Grade 1 qualification for operation across a temperature range of -40°C to +105°C.
Feature Summary
- Automotive-grade reliability compliant with ISO-TS-16949 standards
- High-performance processing via ARM Cortex-M7 core with FPU
- Integrated Ethernet AVB support for time-sensitive networking
- Robust connectivity suite including CAN and USB interfaces
Applications
- Advanced Driver Assistance Systems (ADAS)
- In-Vehicle Infotainment (IVI) systems
- Digital instrument clusters
- Telematics control units
Procurement Notes
Verify the specific suffix CB indicates the TFBGA-100 packaging configuration. Confirm AEC-Q100 Grade 1 qualification status matches project requirements. Ensure compatibility with existing board layouts regarding pin assignments and thermal dissipation needs for the BGA form factor.
Selection Notes
Select this component when automotive certification is mandatory alongside high-speed processing capabilities. Compare against the N19 variant if lower memory capacity suffices. Consider the Q21 variants if additional I/O count or LQFP packaging is preferred over the compact BGA footprint.
Part Context
This part belongs to the Microchip SAM V71 family, designed specifically for demanding automotive environments. It shares architectural similarities with the SAM E70 and SAM S70 series but distinguishes itself through rigorous automotive quality controls and specialized interface sets tailored for vehicle networks.
Replacement Considerations
ATSAMV71N19B-CBT offers similar architecture with reduced memory. ATSAME70N21A-CN provides comparable performance but lacks specific automotive qualification.
