The Microchip SAME70Q21 devices are members of a flash microcontrollers family based on the high-performance 32-bit ARM Cortex-M7 processor with Floating Point Unit (FPU). These devices operate at up to 300MHz and feature up to 2048 Kb of Flash, up to 384 Kb of multi-port SRAM and configurable Instruction and Data Tightly Couple Memories to leverage the advanced DSP capabilities of the core. SAME70Q21 features multiple networking/connectivity peripherals, including CAN-FD interface and one 1O/100Mbps Ethernet MAC with specific hardware support for Audio Video Bridging (AVB).

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)

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

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