Digital Signal Controller with Interrupt Controller has configuration flexibility and compact program code and is useful for low-end internet appliance applications and low-end client applications such as telephone, portable devices, ID tag readers, sonic/subsonic detectors, security access devices, remote metering and sonic alarms. Freescale Semiconductor India Pvt Ltd manufactures Digital Signal Controller with Interrupt Controller. Freescale Semiconductor India Pvt Ltd, an ISO 9001-2008 and ISO 14001 certified company also manufactures various types of micro-controllers. The Digital Signal Controller with Interrupt Controller has 21 external memory address lines, 16 data lines and 4 chips selects. This Digital Signal Controller has enhanced on-chip emulation [EOnCE] for unobtrusive, real-time debugging. This Digital Signal Controller has watchdog timer.