Table 17. register 09h: vcr video output control, Table 18. register 0dh: output enable – Rainbow Electronics MAX9671 User Manual
Page 35
MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
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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 VCR Function Switching
1
1
High (> 9.5V); external SCART source
with 4:3 aspect ratio
0
Normal operation; pulldown on
VCR_R/C_OUT is off (power-on
default)
VCR_R/C_OUT Ground
1
Ground; pulldown on VCR_R/C_OUT
is on; the output amplifier driving
VCR_R/C_OUT is off
Table 17. Register 09H: VCR Video Output Control
BIT
DESCRIPTION
7
6
5
4
3
2
1
0
COMMENTS
0
Off (power-on default)
TVOUT_FS Enable
1
On
0
Off (power-on default)
TV_Y/CVBS_OUT Enable
1
On
0
Off (power-on default)
TV_B_OUT Enable
1
On
0
Off (power-on default)
TV_G_OUT Enable
1
On
0
Off (power-on default)
TV_R/C_OUT Enable
1
On
0
Off (power-on default)
VCR_R/C_OUT Enable
1
On
0
Off (power-on default)
VCR_Y/CVBS_OUT Enable
1
On
Table 18. Register 0DH: Output Enable