{
  "build": {
    "arduino":{
      "ldscript": "nrf52_xxaa.ld"
    },
    "core": "nRF5",
    "cpu": "cortex-m4",
    "f_cpu": "64000000L",
    "mcu": "nrf52840",
    "variant": "nRF52DK",
    "zephyr": {
       "variant": "xiao_ble"
    }
  },
  "connectivity": [
    "bluetooth"
  ],
  "debug": {
    "default_tools": [
      "jlink"
    ],
    "jlink_device": "nRF52840_xxAA",
    "onboard_tools": [
      "cmsis-dap",
      "jlink"
    ],
    "svd_path": "nrf52840.svd"
  },
  "frameworks": [
    "arduino",
    "mbed",
    "zephyr"
  ],
  "name": "Nordic nRF52840-DK",
  "upload": {
    "maximum_ram_size": 262144,
    "maximum_size": 1048576,
    "protocol": "jlink",
    "protocols": [
      "jlink",
      "nrfjprog",
      "stlink",
      "blackmagic",
      "cmsis-dap",
      "mbed"
    ]
  },
  "url": "https://wiki.seeedstudio.com/XIAO_BLE/",
  "vendor": "Seeed Studio"
}