This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.


32-bit ARM Microcontroller Cortex-M7 RISC

ATSAME70Q21B-CNT General Description

Security is a top priority with the ATSAME70Q21B-CNT, featuring advanced features like secure boot, a hardware encryption engine, and tamper detection mechanisms to protect sensitive data and ensure the integrity of your system. Rest assured that your information is safeguarded with this microcontroller, making it a reliable choice for applications where security is paramount


Key Features

  • 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)
  • 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
  • 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 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
  • 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
  • USB 2.0 Device/Mini Host High-speed (USBHS) at 480 Mbps, 4-Kbyte FIFO, up to 10 bidirectional endpoints, dedicated DMA
  • 12-bit ITU-R BT. 601/656 Image Sensor Interface (ISI)
  • ISO CAN FD; ISO 1189801:2015 (Revision B only)
  • 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
  • True Random Number Generator (TRNG)
  • AES: 256-, 192-, 128-bit Key Algorithm, Compliant with FIPS PUB-197 Specifications
  • Integrity Check Monitor (ICM). Supports Secure Hash Algorithm SHA1, SHA224 and SHA256.
  • 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)
  • Single Supply voltage from 1.7V to 3.6V for Industrial Temperature Devices
  • LQFP144, 144-lead LQFP, 20 x 20 mm, pitch 0.5 mm
  • LFBGA144, 144-ball TFBGA, 10 x 10 mm, pitch 0.8 mm
  • UFBGA144, 144-ball UFBGA, 6 x 6 mm, pitch 0.4 mm
  • MICROCHIP Original Stock


    Source Content uid ATSAME70Q21B-CNT Part Life Cycle Code Active
    Reach Compliance Code compliant ECCN Code 5A992.C
    HTS Code 8542.31.00.01 Factory Lead Time 52 Weeks
    Date Of Intro 2017-12-06 Has ADC YES
    Additional Feature CONNECTIVITY: RS-485, SD, SPI(5), SSC, TWI(3), UART(5), USART(3), USB Address Bus Width 24
    Bit Size 32 Boundary Scan NO
    CPU Family CORTEX-M7 Clock Frequency-Max 20 MHz
    DAC Channels YES DMA Channels YES
    External Data Bus Width 16 Format FLOATING POINT
    Integrated Cache YES JESD-30 Code S-PBGA-B144
    Length 20 mm Low Power Mode YES
    Number of DMA Channels 24 Number of External Interrupts 3
    Number of I/O Lines 114 Number of Terminals 144
    Number of Timers 12 On Chip Data RAM Width 8
    On Chip Program ROM Width 8 Operating Temperature-Max 105 °C
    Operating Temperature-Min -40 °C PWM Channels YES
    Peak Reflow Temperature (Cel) NOT SPECIFIED RAM (bytes) 393216
    RAM (words) 393216 ROM (words) 2097152
    ROM Programmability FLASH Screening Level AEC-Q100; TS 16949
    Speed 300 MHz Supply Current-Max 0.006 mA
    Supply Voltage-Max 1.32 V Supply Voltage-Min 1.08 V
    Supply Voltage-Nom 1.2 V Surface Mount YES
    Technology CMOS Temperature Grade INDUSTRIAL
    Terminal Form BALL Terminal Pitch 0.5 mm
    Terminal Position BOTTOM Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
    Width 20 mm uPs/uCs/Peripheral ICs Type MICROCONTROLLER, RISC
    Series SAM E70 Programmabe Not Verified
    Core Processor ARM® Cortex®-M7 Core Size 32-Bit Single-Core
    Connectivity CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, USB Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
    Number of I/O 114 Program Memory Size 2MB (2M x 8)
    Program Memory Type FLASH RAM Size 384K x 8
    Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V Data Converters A/D 24x12b; D/A 2x12b
    Oscillator Type Internal Operating Temperature -40°C ~ 105°C (TA)
    Mounting Type Surface Mount Base Product Number ATSAME70

    Service Policies and Others

    After-Sales & Settlement Related

    payment Payment

    Payment Method

    TT/Wire Transfer
    Western Union
    Money Gram

    For alternative payment channels, please reach out to us at:

    [email protected]
    shipping Shipping & Packing

    Shipping Method


    AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

    Warranty Warranty

    We promise to provide 365 days quality assurance service for all our products.


    You need to log in to reply. Sign In | Sign Up

    In Stock: 7,313

    Minimum Order: 1

    Qty. Unit Price Ext. Price
    1+ - -

    The prices below are for reference only.