NXP Semiconductors freescale K51 Series Reference Manual

Section Number Title Page54.3 Register description......................................................................................................................................................159354.3.1 Instruction register.......................................................................................................................................159354.3.2 Bypass register.............................................................................................................................................159354.3.3 Device identification register.......................................................................................................................159354.3.4 Boundary scan register.................................................................................................................................159454.4 Functional description...................................................................................................................................................159554.4.1 JTAGC reset configuration..........................................................................................................................159554.4.2 IEEE 1149.1-2001 (JTAG) Test Access Port..............................................................................................159554.4.3 TAP controller state machine.......................................................................................................................159554.4.4 JTAGC block instructions............................................................................................................................159754.4.5 Boundary scan..............................................................................................................................................160054.5 Initialization/Application information..........................................................................................................................1600K51 Sub-Family Reference Manual, Rev. 6, Nov 201152 Freescale Semiconductor, Inc.