Microchip TechnologySAMV71Q21RT-DHB-EMicrocontrollers - MCUs

MCU 32-bit ARM Cortex M7 RISC 2MB Flash 3.3V 144-Pin CQFP Box

The SAMV71Q21RT is the radiation tolerant version of the popular Microchip SAMV71Q21 based on the high-performance 32-bit ARM Cortex-M7 processor with a Double Precision Floating Point Unit (FPU). These devices operate at up to 300MHz and feature up to 2048 Kbytes of Flash, and up to 384 Kbytes of multi-port SRAM which is configurable Instruction and Data Tightly Couple Memories to leverage the advanced DSP capabilities of the core.

The SAMV71Q21RT includes a 10/100 Ethernet MAC w/IEEE1588, HS USB Interface with integrated PHY, dual CAN-FD, QSPI, MediaLB, CMOS Imager interface, TDM/I2S (SSC). This space-qualified version of the product adds: Ceramic & Hermetic packages, extended temperature range -55C to 125C, extended qualification flow equivalent to QML-V or QML-Q space grade. Radiation performance for the SAMV71Q21RT: SEL LET > 60 MeV.cm2/mg (at 125C), and TID up to 30 Krad (Si).



Product Features


  •  Core
  • •  ARM® Cortex®-M7 running up to 300MHz
  • •  16 Kbytes of ICache and 16 Kbytes of DCache with Error Code Correction (ECC)
  • •  Single- and double-precision HW Floating Point Unit (FPU)
  • •  Memory Protection Unit (MPU) with 16 zones
  • •  DSP Instructions, Thumb®-2 Instruction Set
  • •  Embedded Trace Module (ETM) with instruction trace stream, including Trace Port Interface Unit (TPIU)


  •  Memories
  • •  2048 Kbytes embedded Flash with unique identifier and user signature for user-defined data
  • •  384 Kbytes embedded Multi-port SRAM
  • •  Tightly Coupled Memory (TCM) interface with four configurations (disabled, 2 x 32 Kbytes, 2 x 64 Kbytes, 2 x 128 Kbytes)
  • •  16 Kbytes ROM with embedded Bootloader routines (UART0, USB) and IAP routines
  • •  16-bit Static Memory Controller (SMC) with support for SRAM, PSRAM, LCD module, NOR and NAND Flash with on-the-fly scrambling
  • •  16-bit SDRAM Controller (SDRAMC) interfacing up to 256 MB and with on-the-fly scrambling


  •  System
  • •  Embedded voltage regulator for single-supply operation
  • •  Power-on-Reset (POR), Brown-out Detector (BOD) and Dual Watchdog for safe operation
  • •  Quartz or ceramic resonator oscillators: 3 to 20 MHz main oscillator with failure detection, 12 MHz or 16 MHz needed for USB operations. Optional low-power 32.768 kHz for RTC or device clock
  • •  RTC with Gregorian calendar mode, waveform generation in low-power modes
  • •  RTC counter calibration circuitry compensates for 32.768 kHz crystal frequency variations
  • •  32-bit low-power Real-time Timer (RTT)
  • •  High-precision Main RC oscillator with 12 MHz default frequency for device startup. In-application trimming access for frequency adjustment. 8/12 MHz are factory-trimmed.
  • •  32.768 kHz crystal oscillator or Slow RC oscillator as source of low-power mode device clock (SLCK)
  • •  One 500 MHz PLL for system clock, one 480 MHz PLL for USB high-speed operations
  • •  Temperature Sensor
  • •  One dual-port 24-channel central DMA Controller (XDMAC)


  •  Low-Power Features
  • •  Low-power Sleep, Wait and Backup modes, with typical power consumption down to 1.1 μA in Backup mode with RTC, RTT and wakeup logic enabled
  • •  Ultra-low-power RTC and RTT
  • •  1 Kbyte of backup RAM (BRAM) with dedicated regulator


  •  Peripherals
  • •  One Ethernet MAC (GMAC) 10/100 Mbps in MII mode and RMII with dedicated DMA. IEEE1588 PTP frames and 802.3az Energy-efficiency support. Ethernet AVB support with IEEE802.1AS Timestamping and IEEE802.1Qav credit-based traffic-shaping hardware support
  • •  12-bit ITU-R BT. 601/656 Image Sensor Interface (ISI)
  • •  Two master Controller Area Networks (MCAN) with Flexible Data Rate (CAN-FD) with SRAM-based mailboxes, time- and event-triggered transmission
  • •  MediaLB® device with 3-wire mode, up to 1024 x Fs speed, supporting MOST25 and MOST50 networks
  • •  Three USARTs. USART0/1/2 support LIN mode, ISO7816, IrDA®, RS-485, SPI, Manchester and Modem modes; USART1 supports LON mode.
  • •  Five 2-wire UARTs with SleepWalking™ support
  • •  Three Two-Wire Interfaces (TWIHS) (I2C-compatible) with SleepWalking™ support
  • •  Quad I/O Serial Peripheral Interface (QSPI) interfacing up to 256 MB Flash and with eXecute-In-Place and on-the-fly scrambling
  • •  Two Serial Peripheral Interfaces (SPI)
  • •  One Serial Synchronous Controller (SSC) with I2S and TDM support
  • •  Two Inter-IC Sound Controllers (I2SC)
  • •  One High-speed Multimedia Card Interface (HSMCI) (SDIO/SD Card/e.MMC)
  • •  Four Three-Channel 16-bit Timer/Counters (TC) with Capture, Waveform, Compare and PWM modes, constant on time. Quadrature decoder logic and 2-bit Gray Up/Down Counter for stepper motor
  • •  Two 4-channel 16-bit PWMs with complementary outputs, Dead Time Generator and eight fault inputs per PWM for motor control, two external triggers to manage power factor correction (PFC), DC-DC and lighting control.
  • •  Two Analog Front-End Controllers (AFEC), each supporting up to 12 channels with differential input mode and programmable gain stage, allowing dual sample-and-hold at up to 1.7 Msps. Offset and gain error correction feature.
  • •  One 2-channel 12-bit 1 Msps-per-channel Digital-to-Analog Controller (DAC) with Differential and Over Sampling modes
  • •  One Analog Comparator Controller (ACC) with flexible input selection, selectable input hysteresis


  •  I/O
  • •  Up to 114 I/O lines with external interrupt capability (edge- or level-sensitivity), debouncing, glitch filtering and On-die Series Resistor Termination
  • •  Five Parallel Input/output Controllers (PIO)


  •  Voltage
  • •  Single supply voltage from 3.0V to 3.6V


  •  Radiation Performances
  • •  No Single Event Latch-up Below an LET Threshold of 60 MeV.cm2 /mg @125°C
  • •  Total Ionizing Dose of 30 krad(Si)


  •  Packages
  • •  CQFP144, 144-lead CQFP, 22 x 22mm, pitch 0.5 mm
  • •  LQFP144, 144-lead LQFP, 20 x 20mm, pitch 0.5 mm

A datasheet is only available for this product at this time.

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