{ "build": { "core": "stm32", "cpu": "cortex-m4", "extra_flags": "-DSTM32F4 -DSTM32F407xx -DSTM32F40_41xxx", "f_cpu": "168000000L", "hwids": [ [ "0x1EAF", "0x0003" ], [ "0x0483", "0x3748" ] ], "ldscript": "stm32f407xg.ld", "mcu": "stm32f407vet6", "variant": "BIGTREE_BTT002" }, "debug": { "jlink_device": "STM32F407VE", "openocd_target": "stm32f4x", "svd_path": "STM32F40x.svd" }, "frameworks": [ "arduino" ], "name": "STM32F407VE (192k RAM. 512k Flash)", "upload": { "disable_flushing": false, "maximum_ram_size": 131072, "maximum_size": 524288, "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/stm32f407vg.html", "vendor": "Generic" }