Patent ID: 11867756
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An integrated circuit comprising:
a functional circuit;
an addressable test access port selection circuit having an address register configurable to store an address signal to enable test access;
a first input/output terminal configurable as an input or an output and coupled to the addressable test access port selection circuit, wherein the first input/output terminal is configurable to input the address signal serially;
a trace circuit coupled to the functional circuit and configured to generate trace data;
a second plurality of input/output terminals, wherein each terminal of the second plurality of input/output terminals is configurable as an input or an output and coupled to the trace circuit, wherein the second plurality of input/output terminals is configurable to output the trace data; and
a third plurality of input/output terminals, wherein each terminal of the third plurality of input/output terminals is configurable as an input or an output and coupled to the functional circuit,
wherein the third plurality of input/output terminals is configurable to output data from the functional circuit.