STV6411A ST Microelectronics, STV6411A Datasheet - Page 12

• Manufacturer Part Number: STV6411A
• Description: AUDIO/VIDEO SWITCH MATRIX
• Manufacturer: ST Microelectronics

STV6411A
I
TV Video Output
12/20
2
(HEX)
Addr.
Reg.
C BUS SELECTION (continued)
03
04
R/C TV Output Selection
RF output : adder control and
chroma subcarrier filter selection
Y/CVBS output and chroma
signal selection
Chroma switch muting
ENCODER R/Csub Clamp
Used in STV6410A.
In STV6411A applications should
be set to zero (XXXXXX0X).
RGB output Gain
FB Output
RGB ouputs selection
Description
Bits
2
3
1
1
1
2
2
2
1
d7 d6 d5 d4 d3 d2 d1 d0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
0
0
1
1
1
1
0
0
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
1
1
0
0
1
1
0
1
0
1
Data
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
0
1
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
1
0
1
Red signal selected
Chroma signal selected
CVBS to RF output
Y+C to RF output
Filter not active
Filter active
Y/CVBS & chroma muted
NOT ALLOWED
NOT ALLOWED
Y/CVBS _VCR & C_VCR
CVBS_ASTB & Chroma muted
Y/CVBS_ENC & R/C_ENC
Y_ENC & C_ENC
NOT ALLOWED
Chroma Output controlled by
d5d4d3 from register 03
Chroma Output forced to mute
Bottom Level Clamp
Average Level Clamp
Bottom Level Clamp
Average Level Clamp
+6dB gain
+3dB gain (1dB/Step)
FB forced to low level
FB forced to high level
FB from Encoder
FB from AUX
Muted
RGB_Encoder selected
RGB_AUX selected
NOT ALLOWED
Comments