boards:f746zg

ARM Cortex-M7 STM32F746ZG MCU at 216 MHz with 1 MB flash and 320 KB ram.

This MCU contains a `r0p1' core which has a specific FreeRTOS port to workaround a hardware fault.

The demo board can come as part of the obsolete P-NUCLEO-LRWAN2 kit.

On the kit it hosts the RisingHF LRWAN GS HF1 LoRaWAN concentrator.

Standalone, no concentrator attached:

JP1 (PWR-EXT) ON (100 mA) OFF (300 mA)
JP3 (power source) on U5V
JP5 (IDD) ON

Concentrator attached:

JP1 (PWR-EXT) OFF
JP3 (power source) on VIN-5V
JP5 (IDD) ON