Nexus Development Interface (NDI)MPC5606S Microcontroller Reference Manual, Rev. 7Freescale Semiconductor 963NexusReg:0x0002 Access: User read/write0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15R OPC MCK_DIV EOC 0 PTM WEN 0 0 0 0 0 0 0 0WReset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 016 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31R OVC EIC TMWReset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0Figure 26-5. Development Control Register 1 (DC1)Table 26-5. DC1 field descriptionsField Description0OPC1Output Port Mode Control.0 Reduced-Port mode configuration (2 MDO pins).1 Full-Port mode configuration (4 MDO pins).1–2MCK_DIV[1:0]1MCKO Clock Divide Ratio (see note 1).00 MCKO is 1× processor clock frequency.01 MCKO is 1/2× processor clock frequency.10 MCKO is 1/4× processor clock frequency.11 MCKO is 1/8× processor clock frequency.3–4EOC[1:0]EVTO Control.00 EVTO upon occurrence of watchpoints (configured in DC2).01 EVTO upon entry into debug mode.10 EVTO upon timestamping event.11 Reserved.5 Reserved6PTMProgram Trace Method.0 Program trace uses traditional branch messages.1 Program trace uses branch history messages.7WENWatchpoint Trace Enable.0 Watchpoint messaging disabled.1 Watchpoint messaging enabled.8–23 Reserved.24–26OVC[2:0]Overrun Control.000 Generate overrun messages.001–010 Reserved.011 Delay processor for BTM / DTM / OTM overruns.1XX Reserved.
