CHAPTER 15 REMOTE CONTROLLER RECEIVER (
µ
PD789489, 78F9489 ONLY)
User’s Manual U15331EJ4V1UD
284
Figure 15-6. Setting Example (Where n1
=
1, n2
=
2)
RIN
RIN_2
T
W
RIN_1
Clock
RMGPHS/RMDH0S/RMDH1S
n1
n2
RMGPHL/RMDH0L/RMDH1L
RMDLS
RMDLL
T
WE
RMER
(1) Formula for RMGPHS, RMDLS, RMDH0S, and RMDH1S
−
2
−
n1
(2) Formula for RMGPHL, RMDLL, RMDH0L, and RMDH1L
+ 1 + n2
(3) Formula for RMER
−
1
T
W
:
Width of RIN input waveform
1/f
PRS
: Width of internal operation clock cycle after division control by PRSEN
a: Tolerance
(%)
[ ]
INT
:
Round down the fractional portion of the value produced by the formula in the brackets.
n1, n2: Variables of waveform change caused by noise
Note1
T
WE
:
End width of RIN input
Note2
Notes 1.
Set the values of n1 and n2 as required to meet the user
′
s system specification.
2.
This end width is counted after RMDLL.
The low-level width actually required after the last data has been received is as follows:
(RMDLL + 1 + RMER + 1)
×
(width of internal operation clock cycle after division control by PRSEN)
T
W
×
(1
−
a/100)
1/f
PRS
INT
T
W
×
(1 + a/100)
1/f
PRS
INT
T
WE
×
(1
−
a/100)
1/f
PRS
INT
Содержание PD789488
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