Reads the 32-bit device identification code. No programmable supplementary identification code is provided.

32 bits. Figure C.3 show the format of the ID code register.

When the IDCODE instruction is current, the ID register is selected as the serial path between DBGTDI and DBGTDO.

There is no parallel output from the ID register.

The 32-bit device identification code is loaded into the ID register from its parallel inputs during the CAPTURE-DR state.