
2000 Mar 08
19
Philips Semiconductors
Product specication
Digital video encoder
SAA7128H; SAA7129H
Table 12 Subaddress 2CH
Table 13 Subaddress 2DH
Table 14 Subaddress 38H
Table 15 Subaddress 39H
BIT
SYMBOL
DESCRIPTION
7
CGEN
0 = copy generation data output is disabled; default state after reset
1 = copy generation data output is enabled
6
These 3 bits are reserved; each must be set to logic 0.
5
4
3
CG19
Remaining bits of copy generation code.
2
CG18
1
CG17
0
CG16
BIT
SYMBOL
DESCRIPTION
7
CVBSEN1
0 = luminance output signal is switched to Y DAC; default state after reset
1 = CVBS output signal is switched to Y DAC
6
CVBSEN0
0 = chrominance output signal is switched to C DAC; default state after reset
1 = CVBS output signal is switched to C DAC
5
CVBSTRI
0 = DAC for CVBS output in 3-state mode (high-impedance); default state after reset
1 = DAC for CVBS output in normal operation mode
4
YTRI
0 = DAC for Y output in 3-state mode (high-impedance); default state after reset
1 = DAC for Y output in normal operation mode
3
CTRI
0 = DAC for C output in 3-state mode (high-impedance); default state after reset
1 = DAC for C output in normal operation mode
2
RTRI
0 = DAC for RED output in 3-state mode (high-impedance); default state after reset
1 = DAC for RED output in normal operation mode
1
GTRI
0 = DAC for GREEN output in 3-state mode (high-impedance); default state after reset
1 = DAC for GREEN output in normal operation mode
0
BTRI
0 = DAC for BLUE output in 3-state mode (high-impedance); default state after reset
1 = DAC for BLUE output in normal operation mode
BIT
SYMBOL
DESCRIPTION
7to5
These 3 bits are reserved; each must be set to logic 0.
4 to 0
GY[4:0]
Gain luminance of RGB (CR, Y and CB) output, ranging from (1 1632)to(1+ 1532).
Suggested nominal value =
6 (11010b), depending on external application.
BIT
SYMBOL
DESCRIPTION
7to5
These 3 bits are reserved; each must be set to logic 0.
4 to 0
GCD[4:0]
Gain colour difference of RGB (CR, Y and CB) output, ranging from
(1
1632)to(1+ 1532). Suggested nominal value = 6 (11010b), depending on external
application.