UG:309
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Configuration Example – Setting Kill Bit
The procedure for setting the KBIT2 register to prevent any further programming is outlined in sequence
in Figure 26. The SYN[3:0] register has been programmed to “1111” and the ENA_POL register has
been programmed to “1” in advance. Like the previous procedures, the first two bus transactions occur
while the PI33xx‑xx is enabled and the final transaction occurs while the PI33xx‑xx is disabled. After
completing this step, no further changes can be made to the PI33xx‑xx. It is very important to double
check all settings before clicking the “BURN” button. If the user makes a mistake in a setting after
clicking on the “BURN” button, the instructions for enabling and disabling the unit that are prompted
by Buck GUI should be IGNORED by leaving the target enabled and clicking “OK” to each pop‑up dialog
box. This will prevent the burn from occurring and give the user another chance to correct the mistake.
Buck GUI will report the failed burn with a pop up dialog box.
Figure 26
Setting KBIT2 register after
setting ENA_POL Register to “1”
with SYN[3:0]
programmed to “1111”
Summary of Contents for PI33 EVAL1 Series
Page 13: ...UG 309 Page 13 Figure 14 PI33xx xx SYNC 1000 timing Figure 15 PI33xx xx SYNC 1111 1 4MP ...
Page 14: ...UG 309 Page 14 Figure 16 PI33xx xx SYNC 1110 1 3MP Figure 17 PI33xx xx SYNC 1101 1 2MP ...
Page 15: ...UG 309 Page 15 Figure 18 PI33xx xx SYNC 1100 2 3MP Figure 19 PI33xx xx SYNC 1001 3 4MP ...
