Pulnix TMC-6700 Series Manuale delle Istruzioni Pagina 37

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Page 29
TMC-6700/1000 Series RS-232C Control
TMC-6700/1000 Series Progressive Scan CCD Digital Color Camera
n-1 when n=9H~1048H----> TMC-1000
when n is exposing line count. when n=9H-523 ----> TMC-6700
Example 1
Set Normal Manual Shutter Dial 5 (Gamma on)
Tx1 01000111 (address 7, write)
Tx2 01000101
Tx3 Refresh RAM Bank
Example 2
Set Direct Shutter Async mode (n=1030H, Gamma on)
Tx1 01000111 (Address 7)
Tx2 01110000 (Shutter Mode)
Tx3 01111110 (Address 3E)
Tx4 00000101 (Direct Shutter LSB)
Tx5 01111111 (Address 3F)
Tx6 00000100 (Direct Shutter MSB)
Tx7 Refresh RAM Bank
4.3.8 Gamma Conversion
The Gamma Conversion mode is saved in address 7. The TMC-6700/1000 series supports 1.0 Gamma
mode and 0.45 Gamma mode. Please refer to Section 4.3.6, “RGB to YCrCb Conversion,” on page 28.
Example
Set Gamma on (0.45) (Normal Async Dial 5)
Tx1 01000111 (Address 7)
Tx2 01000101 (Gamma mode)
Tx3 Refresh RAM Bank
4.3.9 Color Matrix
Color Matrix data are saved in the RAM address from 1E to 26 (hex). As discussed in Section 3.3.3,
“Color Matrix,” on page 17, the Color Matrix has 9 coefficients of floating point value. Each (RR,
RG,....BB) is converted into 8-bit 2’s complement representation by first multiplying 32, then extracting
the integer, and finally 2’s complementing the negative number.
Example
Write Default Matrix
CMTX= [ 1.75 -0.25 -0.5
-0.1875 1.3125 -0.125
-0.125 -0.5 1.625]
Tx1 01011110 (Address of BB)
Tx2 00110100
Tx3 01011111 (Address of BG)
Tx4 11110000
Tx5 01100000 (Address of BR)
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