THS8200IPFP Datasheet, PDF (68/104 Pages) Texas Instruments – All-Format Oversampled Component Video/PC Graphics D/A System

THS8200-EP
SLES253 – DECEMBER 2009
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5.1.2 Color Space Conversion Control (Sub-Addresses 0x04−0x19)
Signed magnitude: MSB is sign bit, remaining bits are binary representation of magnitude. This is not a 2s
complement notation.
Magnitude: Binary representation of magnitude.
csc_ric1(5:0):
{csc_r11 0x04(7:2)}
R/Cr input channel – G/Y output channel coefficient, integer part
[00 0000]
6-bit integer portion of coefficient that is multiplied with R/Cr input, to produce G/Y output (signed
magnitude format)
csc_rfc1(9:0):
R/Cr input channel – G/Y output channel, fractional part
{csc_r11 0x04(1:0) and [00 0000 0000]
csc_r12 0x05(7:0)}
10-bit fractional portion of coefficient that is multiplied with R/Cr input, to produce G/Y output
(magnitude format)
csc_ric2(5:0):
R/Cr input channel – B/Cb output channel, integer part
{csc_r21 0x06(7:2)}
{csc_r21 0x06(7:2)}
6-bit integer portion of coefficient that is multiplied with R/Cr input, to produce B/Cb output (signed
magnitude format)
csc_rfc2(9:0):
R/Cr input channel – B/Cb output channel, fractional part
{csc_r21 0x06(1:0) and [00 0000 0000]
csc_r22 0x07(7:0)}
10-bit fractional portion of coefficient that is multiplied with R/Cr input, to produce B/Cb output
(magnitude format)
csc_ric3(5:0):
R/Cr input channel – R/Cr output channel, integer part
{csc_r31 0x08(7:2)}
[000000]
6-bit integer portion of coefficient that is multiplied with R/Cr input, to produce R/Cr output (signed
magnitude format)
csc_rfc3(9:0):
R/Cr input channel − R/Cr output channel, fractional part
{csc_r31 0x08(1:0) and [00 0000 0000]
csc_r32 0x09(7:0)}
10-bit fractional portion of coefficient that is multiplied with R/Cr input, to produce R/Cr output
(magnitude format)
csc_gic1(5:0):
G/Y input channel – G/Y output channel, integer part
{csc_g11 0x0A(7:2)} [00 0000]
6-bit fractional portion of coefficient that is multiplied with R/Cr input, to produce R/Cr output
(magnitude format)
csc_gfc1(9:0):
G/Y input channel – G/Y output channel, fractional part
{csc_g11 0x0A(1:0) and [00 0000 0000]
csc_g12 0x0B(7:0)}
10-bit fractional portion of coefficient that is multiplied with G/Y input, to produce G/Y output
(magnitude format)
68
I²C Register Map
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