{ "Due": { "build": { "core": "arduino", "extra_flags": "-D__SAM3X8E__ -DARDUINO_SAM_DUE -DARDUINO_ARCH_SAM", "f_cpu": "84000000L", "mcu": "cortex-m3", "pid": "0x003e", "usb_product": "Arduino Due", "variant": "arduino_due_x", "vid": "0x2341" }, "name": "Arduino Due", "platform": "sam", "upload": { "disable_flushing": true, "maximum_ram_size": 524288, "maximum_size": 28672, "protocol": "sam-ba", "speed": 57600, "use_1200bps_touch": true, "wait_for_upload_port": false } } }