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IEEE1149.1-2001 JTAG access port
The Beyond TAP Controller is a fully IEEE 1149.1-2001 compatible JTAG Test Access Port (TAP) Controller. It is used for development and debugging purposes like Boundary Scan, Memory BIST. The Beyond TAP controller is an interface between the Boundary Scan / Memory BIST / Beyond Debug Interface Controller (which connects to the Beyond processor(s) and Beyond peripheral interface cores) and external debugger / emulator testing device.
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Block Diagram of the IEEE1149.1-2001 JTAG access port
