Patent ID: 7091743
Filing Date: 2006-08-15
Classification: G06F

Abstract:
1. A semiconductor device comprising: a transmitter, receiver, and transmission line formed within the semiconductor device, wherein the transmitter, receiver, and transmission line are adapted to control a data transfer between a first core and a second core within the semiconductor device, wherein each of said transmitter and said receiver is external to said first core and said second core, wherein said transmitter comprises a line driver, wherein said receiver comprises a line receiver, wherein said transmission line electrically connects an output of said line driver to an input of said line receiver, wherein the transmitter is adapted to send a signal over the transmission line to the receiver adapted to receive the signal, wherein the receiver is further adapted to create an impedance mismatch to indicate that the second core is busy performing functions and is unable to transfer the data, wherein the transmitter is adapted to detect the impedance mismatch, wherein the receiver comprises a switch and a capacitor, wherein the switch is electrically connected between the transmission line and the capacitor, wherein the switch is for connecting the capacitor to the transmission line, and wherein the capacitor is adapted to change an impedance of the transmission line to create the impedance mismatch.