Table 14. register 06h: tv video input control, Table 15. register 07h: tv video output control – Rainbow Electronics MAX9671 User Manual
Page 33
MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
______________________________________________________________________________________
33
BIT
DESCRIPTION
7
6
5
4
3
2
1
0
COMMENTS
TV_Y/CVBS_OUT
TV_R/C_OUT
0
0
0
ENC_Y/CVBS_IN
ENC_R/C_IN
0
0
1
ENC_Y_IN
ENC_C_IN
0
1
0
VCR_Y/CVBS_IN
VCR_R/C_IN
0
1
1
TV_Y/CVBS_IN
1
0
0
Not used
Not used
1
0
1
Mute
Mute
1
1
0
Mute
Mute
Input Sources for TV Video
1
1
1
Mute (power-on
default)
Mute (power-on
default)
TV_G_OUT
TV_B_OUT
0
0
ENC_G_IN
ENC_B_IN
0
1
VCR_G_IN
VCR_B_IN
1
0
Mute
Mute
Input Sources for TV_G_OUT and TV_B_OUT
1
1
Mute (power-on
default)
Mute (power-on
default)
Table 14. Register 06H: TV Video Input Control
BIT
DESCRIPTION
7
6
5
4
3
2
1
0
COMMENTS
0
0
Low (< 2V) internal source
0
1
Medium (4.5V to 7V); external SCART
source with 16:9 aspect ratio
1
0
High impedance (power-on default)
Set TV Slow Switching
1
1
High (> 9.5V); external SCART source
with 4:3 aspect ratio
0
0
GNDVID (power-on default)
0
1
Not used
1
0
Same level as VCR_FB_IN
Set TV Fast Switching
1
1
V
VID
Table 15. Register 07H: TV Video Output Control