{ "build": { "cpu": "cortex-m4", "f_cpu": "72000000L", "mcu": "stm32f334r8t6" }, "frameworks": [ "mbed" ], "name": "ST Nucleo F334R8", "upload": { "maximum_ram_size": 16384, "maximum_size": 65536 }, "url": "https://developer.mbed.org/platforms/ST-Nucleo-F334R8/", "vendor": "ST" }