Dynamic multi-purpose external access points connected to core interfaces within a system on chip (SOC)

An integrated circuit device comprises multiple cores each comprising one or more separate input and output interfaces, the multiple cores integrated within the integrated circuit device to function as a single computer system. Internal inter-chip connection links are disposed on the integrated circuit device for connecting one or more cores with at least one other core via the one or more separate input and output interfaces. One or more bidirectional access ports are communicatively connected in each path of the inter-chip connection links to enable a separate external access point to each of the one or more separate input and output interfaces of the cores, wherein each of the one or more bidirectional access ports is dynamically selectable as each of an external input interface of the integrated circuit device and an external output interface of the integrated circuit device.