Filter
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3 × 3 Filter
Enabling writing the filter
Write the following three commands in sequence.
Disabling writing the filter
Write the following three commands in sequence.
When writing of the filter is enabled, the addresses
0xF0F62000 to 0xF0F62020 that store the filter table
become open.
The filter coefficients are specified with 16 bits from
0x0000 to 0xFFFF.
The most significant bit of the 16 bits represents a sign,
the following 7 bits are the integer portion, and the least
significant 8 bits are the fractional portion.
0100: 1.0
FF00: –1.0
0080: 0.5
0040: 0.25
The filter written here is read out when the optical filter
is set to 8.
Display of Test Chart
Displaying the color bar
Write the following three commands in sequence.
Displaying the gray scale
Write the following three commands in sequence.
Turning off the test chart
Write the following three commands in sequence.
Address Data
F0F30000 08004600
F0F30004 0031FFFF
F0F30008 80000000
Address Data
F0F30000 08004600
F0F30004 0031FFFF
F0F30008 00000000
F0F62000
Top left
F0F62004
Top
F0F62008
Top right
F0F6200C
Left
F0F62010
Center
F0F62014
Right
F0F62018
Bottom left
F0F6201C
Bottom
F0F62020
Bottom right
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 80000001
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 80000002
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 00000000