M66281FP データシートの表示（PDF） - MITSUBISHI ELECTRIC
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M66281FP Datasheet PDF : 13 Pages
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APPLICATION EXAMPLE
MITSUBISHI <DIGITAL ASSP>
M66281FP
5120 x 8-BIT x 2 LINE MEMORY
B
(n+1) line
image data
Sub Scan Resolution Compensation Circuit with Laplacean Filter
M66281
D0 Q00
D7 Q07
1 line
delay
N
n line image data
X2
Compensated
image data
XK
Q10
A
Q17
(n-1) line
image data
2 line
delay
Main scan direction
A
N
B
(n-1) line
n line
(n+1) line
N'=N+K { (N-A) + (N-B) }
=N+K { (2N - (A+B) }
K: Laplacean coefficient
13
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