{ "build": { "cpu": "cortex-m4", "extra_flags": "-DSTM32F4 -DSTM32F429xx", "f_cpu": "168000000L", "mcu": "stm32f429vgt6", "product_line": "STM32F429xx", "variant": "MARLIN_F4x7Vx" }, "connectivity": [ "can" ], "debug": { "default_tools": [ "stlink" ], "jlink_device": "STM32F429VG", "onboard_tools": [ "stlink" ], "openocd_board": "stm32f429", "openocd_target": "stm32f4x", "svd_path": "STM32F429x.svd" }, "frameworks": [ "arduino", "cmsis", "mbed", "stm32cube", "libopencm3", "zephyr" ], "name": "STM32F429VG (128k RAM, 64k CCM RAM, 1024k Flash)", "upload": { "disable_flushing": false, "maximum_ram_size": 131072, "maximum_size": 1048576, "protocol": "stlink", "protocols": [ "stlink", "dfu", "jlink" ], "require_upload_port": true, "use_1200bps_touch": false, "wait_for_upload_port": false }, "url": "https://www.st.com/en/microcontrollers-microprocessors/stm32f429-439.html", "vendor": "ST" }