Patent ID: 6160813
Filing Date: 2000-12-12
Classification: H04L

Abstract:
A network switching system having a plurality of ports for switching data from a first port to a second port, comprising:a message path including:a crossbar switch having a plurality of connectivity states coupled to each port; anda message controller coupled to each port and to the crossbar switch to control access to the crossbar switch; anda data path including:a central memory including a plurality of memory modules coupled to each port; anda memory access controller coupled to each port for controlling access of the plurality of memory modules by the ports, wherein the memory access controller includes:a counting circuit having a count output and a control input;an index pulse generator having a pulsed output coupled to the control input of the counter;a register storing a port number; anda processing circuit having a first input coupled to the counting circuit and a second input coupled to the register and having an output indicating a memory module offset.