{ "build": { "cpu": "cortex-m4", "f_cpu": "180000000L", "mcu": "stm32f429zit6" }, "frameworks": [ "mbed" ], "name": "ST Nucleo F429ZI", "upload": { "maximum_ram_size": 262144, "maximum_size": 2097152 }, "url": "https://developer.mbed.org/platforms/ST-Nucleo-F429ZI/", "vendor": "ST" }