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8 Using Expansion Units and Expansion I/O Units
C: Control word
Set for "Signed Integer Data (Binary)".
Control word setting
#0800: Binary numeral (0000 1000 0000 0000)
15
14 13 12 11 10 9
C
0
0
0 0
Control word
Unscaled minimum value (X
Scaled minimum value (Y
Unscaled maximum value (X
Scaled maximum value (Y
S: Source data
Specify the word address of the input data before scaling.
R: Result word
Specify the word address where the data will be output after scaling.
8-14
8
7 6
5
4
3
2
1
0
0
Number of coordinates minus one (m+1),
00 to FF hex (1 m 256)
Floating-point specification for S and D
0: Integer data
Data length specification for S and D
0: 16-bit signed binary data
1: 32-bit signed binary data
Signed data specification for S and D
1: Signed binary data
Setting
)
0
)
0
= X
)
m
1
= Y
)
m
1
The number of coordinates is 1 (m=1), so
1
0
set bit 0 to 7 to "0" (=m-1).
Address
Data
C
#0800
C+1
X
C+2
Y
C+3
X
C+4
Y
CP1E CPU Unit Hardware User's Manual(W479)
0
0
1
1
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