The NXP MIMXRT1062XVN5B is a 32-bit MCU built around an ARM Cortex-M7 core clocked at 500 MHz, part of the RT1060 crossover processor family. It carries 1 MB of SRAM and 128 KB of ROM, but no internal Flash — code executes from external memory via the EBI/EMI interface. With 149 I/O and a rich connectivity set including CANbus, Ethernet, USB OTG, and SDIO, this part is aimed at high-throughput edge applications: real-time motor control, HMI panels, industrial gateways, and audio processing.
500 MHz Cortex-M7 — what the speed buys you
At 500 MHz, this core outruns typical Cortex-M4 MCUs by a factor of three to four on integer workloads, and the single-cycle multiply-accumulate (MAC) with double-precision FPU handles sensor fusion or FFTs without a separate DSP. The speed matters most when the system must service Ethernet, USB, and a display refresh simultaneously without stalling the control loop. For designs that need deterministic interrupt latency under 20 cycles, the M7's tight vector table and TCM access keep jitter low.
External memory required — no internal Flash
This part boots from internal ROM and runs code from external Flash or PSRAM via the EBI/EMI bus. The 128 KB ROM holds a bootloader and factory firmware; all application code must reside off-chip. The 1 MB SRAM is generous for data buffers and stack, but the BOM must include a serial NOR Flash (QSPI) or parallel NAND for program storage. That trade-off buys flexibility — you can size the Flash to the firmware, not the MCU's fixed density — but it adds a PCB trace layer and a second component to qualify.
225-ball LFBGA (13x13 mm MAPBGA). Surface-mount only. 149 I/O distributed across the ball grid.