3 × 3 Filter

Enabling writing the filter

Write the following three commands in sequence.

AddressData

F0F30000 08004600

F0F30004 0031FFFF

F0F30008 80000000

Disabling writing the filter

Write the following three commands in sequence.

AddressData

F0F30000 08004600

F0F30004 0031FFFF

F0F30008 00000000

When writing of the filter is enabled, the addresses 0xF0F62000 to 0xF0F62024 that store the filter table become open.

F0F62000

F0F62004

F0F62008

Top left

Top

Top right

 

 

 

F0F62010

F0F62014

F0F62018

Left

Center

Right

 

 

 

F0F6201C

F0F62020

F0F62024

Bottom left

Bottom

Bottom right

 

 

 

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.

AddressData

F0F30000 08004600

F0F30004 0037FFFF

F0F30008 80000001

Displaying the gray scale

Write the following three commands in sequence.

AddressData

F0F30000 08004600

F0F30004 0037FFFF

F0F30008 80000002

Turning off the test chart

Write the following three commands in sequence.

AddressData

F0F30000 08004600

F0F30004 0037FFFF

F0F30008 00000000

Control

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