M66258FP 查看數據表（PDF） - MITSUBISHI ELECTRIC
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M66258FP Datasheet PDF : 12 Pages
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APPLICATION EXAMPLE
MITSUBISHI <DIGITAL ASSP>
M66258FP
8192 x 8-BIT LINE MEMORY
B
(n+1) line
image data
Sub Scan Resolution Compensation Circuit with Laplacean Filter
M66258
D0 Q0
D7 Q7
N
n line image data
1 line
delay
Compensated
image data
M66258
D0 Q0
D7 Q7
A
(n+1) line
image data
1 line
delay
Main scan direction
A
X
B
12
(n-1) line
n line
(n+1) line
N'=N+K { (N-A) + (N-B) }
=N+K { (2N - (A+B) }
K: Laplacean coefficient
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