platform-espressif32/boards/m5stack_cardputer.json

{
    "build": {
        "arduino": {
            "ldscript": "esp32s3_out.ld"
        },
        "core": "esp32",
        "extra_flags": [
            "-DARDUINO_M5STACK_CARDPUTER",
            "-DARDUINO_RUNNING_CORE=1",
            "-DARDUINO_EVENT_RUNNING_CORE=1",
            "-DARDUINO_USB_CDC_ON_BOOT=1",
            "-DARDUINO_USB_MODE=1"
        ],
        "f_cpu": "240000000L",
        "f_flash": "80000000L",
        "flash_mode": "dio",
        "hwids": [
            [
                "0x303A",
                "0x1001"
            ]
        ],
        "mcu": "esp32s3",
        "variant": "m5stack_cardputer"
    },
    "connectivity": [
        "bluetooth",
        "wifi"
    ],
    "debug": {
        "openocd_target": "esp32s3.cfg"
    },
    "frameworks": [
        "arduino",
        "espidf"
    ],
    "name": "M5Cardputer",
    "upload": {
        "flash_size": "8MB",
        "maximum_ram_size": 327680,
        "maximum_size": 8388608,
        "require_upload_port": true,
        "speed": 460800
    },
    "url": "https://docs.m5stack.com/en/products/sku/K132",
    "vendor": "M5Stack"
}