Texas Instruments Incorporated
Integrated circuit with JTAG port, tap linking module, and off-chip TAP interface port

Abstract:

An IC includes an IEEE 1149.1 standard test access port (TAP) interface and an additional Off-Chip TAP interface. The Off-Chip TAP interface connects to the TAP of another IC. The Off Chip TAP interface can be selected by a TAP Linking Module on the IC.