platform-ststm32/boards/disco_f401vc.json

{
  "build": {
    "cpu": "cortex-m4",
    "f_cpu": "84000000L",
    "mcu": "stm32f401vct6"
  },
  "frameworks": [
    "mbed"
  ],
  "name": "ST 32F401CDISCOVERY",
  "upload": {
    "maximum_ram_size": 65536,
    "maximum_size": 262144,
    "protocol": "stlink"
  },
  "debug": {
    "tools": {
      "stlink-v2": {
        "server": {
          "package": "tool-openocd",
          "executable": "bin/openocd",
          "arguments": ["-f", "scripts/board/stm32f4discovery.cfg"]
        },
        "onboard": true
      }
    }
  },
  "url": "http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF259098",
  "vendor": "ST"
}