CHAPTER 15 REMOTE CONTROLLER RECEIVER (
µ
PD789489, 78F9489 ONLY)
User’s Manual U15331EJ4V1UD
281
15.4.3 Timing
Operation varies depending on the positions of the RIN input waveform below.
(1) Guide pulse high level width determination
Relationship Between
RMGPHS/RMGPHL/Counter
Position of Waveform
Corresponding Operation
Counter
<
PMGPHS
<1>: Short
Measuring guide pulse high-level width is started
from the next rising edge.
PMGPHS
≤
counter
<
PMGPHL
<2>: Within the range
INTGP is generated.
Data measurement is started.
PMGPHL
≤
counter
<3>: Long
Measuring guide pulse high-level width is started
from the next rising edge.
(2) Data low level width determination
Relationship Between RMDLS/RMDLL/Counter
Position of Waveform
Corresponding Operation
Counter
<
RMDLS
<1>: Short
Error interrupt INTRERR is generated.
Measuring guide pulse high-level width is started.
RMDLS
≤
counter
<
RMDLL
<2>: Within the range
Measuring data high-level width is started.
RMDLL
≤
counter
<3>: Long
Measuring the end width is started from the
∆
point.
RIN
RMGPHS
RMGPHL
Allowable
range
<1>
<2>
<3>
RIN
RIN
RIN
RMDLS
RMDLL
Allowable
range
<1>
<2>
<3>
RIN
RIN
∆
Содержание PD789488
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