MAX4397 MAXIM [Maxim Integrated Products], MAX4397 Datasheet - Page 21

• Manufacturer Part Number: MAX4397
• Description: Audio/Video Switch For Dual SCART Connectors
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 8. Register 07h: TV Video Output Control
Table 9. Register 08h: VCR Video Input Control
Input Sources for VCR
Video
VCR_R/C_IN Clamp/Bias
ENC_R/C_IN Clamp/Bias
Audio/Video Switch for Dual SCART Connectors
Set TV Function Switching
TV_R/C_OUT Ground
Fast Blank (Fast Switching)
TV_Y/CVBS_OUT Switch
RF_CVBS_OUT Switch
DESCRIPTION
DESCRIPTION
______________________________________________________________________________________
7
0
1
7
6
6
0
1
5
5
0
1
4
BIT
4
0
0
1
1
3
0
1
BIT
2
0
0
0
0
1
1
1
1
3
0
1
0
1
1
0
0
1
1
0
0
1
1
2
0
1
0
0
1
0
1
0
1
0
1
1
0
0
1
1
VCR_Y/CVBS_OUT
ENC_Y/CVBS_IN
ENC_Y_IN
VCR_Y/CVBS_IN
TV_Y/CVBS_IN
Not used
Mute
Mute
Mute (power-on default)
DC restore clamp active at input (power-on default)
Chrominance bias applied at input
DC restore clamp active at input (power-on default)
Chrominance bias applied at input
0
0
1
0
1
Low (<2V), internal source (power-on default)
Medium (4.5V to 7V), external SCART source
with 16:9 aspect ratio
High impedance
High (>9.5V), external SCART source with 4:3
aspect ratio
Normal operation, pulldown on TV_R/C_OUT
is off (power-on default)
Ground, pulldown on TV_R/C_OUT is on, the
output amplifier driving TV_R/C_OUT is turned
off
0V (power-on default)
Same level as ENC_FB_IN
Same level as VCR_FB_IN
V
Composite video from the Y/C mixer is output
The TV_Y/CVBS_OUT signal selected in
register 06h is output (power-on default)
Composite video from the Y/C mixer is output
(power-on default)
The TV_Y/CVBS_OUT signal selected in
register 06h is output
VID
COMMENTS
COMMENTS
VCR_R/C_OUT
ENC_R/C_IN
ENC_C_IN
VCR_R/C_IN
TV_R/C_IN
Not used
Mute
Mute
Mute (power-on default)
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