{ "build": { "cpu": "cortex-m7", "f_cpu": "216000000L", "mcu": "stm32f746zgt6" }, "frameworks": [ "mbed" ], "name": "ST Nucleo F746ZG", "upload": { "maximum_ram_size": 327680, "maximum_size": 1048576 }, "url": "https://developer.mbed.org/platforms/ST-Nucleo-F446ZE/", "vendor": "ST" }