3 × 3 Filter; Display Of Test Chart - Sony SX90 Technical Manual

3 × 3 Filter
Enabling writing the filter
Write the following three commands in sequence.
Address
F0F30000 08004600
F0F30004 0031FFFF
F0F30008 80000000
Disabling writing the filter
Write the following three commands in sequence.
Address
F0F30000 08004600
F0F30004 0031FFFF
F0F30008 00000000
When writing of the filter is enabled, the addresses
0xF0F62000 to 0xF0F62020 that store the filter table
become open.
F0F62000
Top left
F0F6200C
Left
F0F62018
Bottom left
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.
28
Data
Data
F0F62004 F0F62008
Top Top right
F0F62010 F0F62014
Center Right
F0F6201C F0F62020
Bottom Bottom right

Display of Test Chart

Displaying the color bar
Write the following three commands in sequence.
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 80000001
Displaying the gray scale
Write the following three commands in sequence.
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 80000002
Turning off the test chart
Write the following three commands in sequence.
Address Data
F0F30000 08004600
F0F30004 0037FFFF
F0F30008 00000000