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R01UH0336EJ0102 Rev.1.02
Page 1034 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 19 Timer Option Module (TAPA)
(3)
Software Operations for Asynchronous Input Hi-Z Control
This module allows software control of the output of Hi-Z control signals.
Hi-Z start trigger 0 (TAPAnOPHS0) and Hi-Z stop trigger 0 (TAPAnOPHT0) are
used to control TAPAnTHZOUT0, TAPAnTHZOUT1, and TAPAnTHZOUT2.
(a) Operation of the Hi-Z Start Trigger (TAPAnOPHS)
(b) Operation of the Hi-Z Stop Trigger (TAPAnOPHT) during Hi-Z Control
in Response to Asynchronous Input
The Hi-Z stop trigger operates as follows.
TAPAn
DCM
Operation
0/1
Writing 1 to the TAPAnOPHS0 bit places the TAPAnTHZOUT0,
TAPAnTHZOUT1 and TAPAnTHZOUT2 signals at the low level.
TAPAn
DCM
Operation
0
Writing 1 to the TAPAnOPHT0 bit places the TAPAnTHZOUT0,
TAPAnTHZOUT1 and TAPAnTHZOUT2 signals at the high level.
1
If TAPAnTHASIN is at the inactive level, writing 1 to the
TAPAnOPHT0 bit places the TAPAnTHZOUT0, TAPAnTHZOUT1
and TAPAnTHZOUT2 signals at the high level. If TAPAnTHASIN is at
the active level, writing of 1 to the TAPAnOPHT0 bit is ignored.
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