{ "build": { "core": "stm32", "cpu": "cortex-m4", "extra_flags": "-DSTM32F3 -DSTM32F303xC", "f_cpu": "72000000L", "ldscript": "stm32f30xx.ld", "mcu": "stm32f303vct6", "variant": "stm32f303xc" }, "frameworks": [ "mbed", "cmsis", "spl", "libopencm3" ], "name": "ST STM32F3DISCOVERY", "upload": { "maximum_ram_size": 49152, "maximum_size": 262144, "protocol": "stlink" }, "url": "http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF254044", "vendor": "ST" }