platform-ststm32/boards/nucleo_l053r8.json

{
  "build": {
    "cpu": "cortex-m0",
    "f_cpu": "48000000L",
    "mcu": "stm32l053r8t6"
  },
  "frameworks": [
    "mbed",
    "arduino"
  ],
  "name": "ST Nucleo L053R8",
  "upload": {
    "maximum_ram_size": 8192,
    "maximum_size": 65536
  },
  "debug": {
    "tools": {
      "stlink-v2-1": {
        "server": {
          "package": "tool-openocd",
          "executable": "bin/openocd",
          "arguments": [
            "-f", "scripts/interface/stlink-v2-1.cfg",
            "-c", "transport select hla_swd",
            "-f", "scripts/target/stm32l0.cfg"
          ]
        },
        "onboard": true
      }
    }
  },
  "url": "https://developer.mbed.org/platforms/ST-Nucleo-L053R8/",
  "vendor": "ST"
}