ISL59450 Datasheet, PDF (27/37 Pages) Intersil Corporation – Multiformat Video Crosspoint with Integrated Sync Separator

Register Descriptions (Continued)
ADDRESS
REGISTER
0x03
Composite Channel B
0x04
S-Video Channel A
ISL59450
BIT(S) FUNCTION NAME
DESCRIPTION
2:0 Input Select B
3 Filter Disable B
0: CVBS_IN0
1: CVBS_IN1
2: CVBS_IN2
3: CVBS_IN3
4: CVBS_IN4
5: CVBS_IN5
0: 7MHz Smoothing Filter
1: Smoothing Filter bypassed (40MHz bandwidth)
4 Output Amplifier Gain B 0: x1
1: x2
5 Enable B
0: Disables (High-Z) Composite B output
1: Enables Composite output B
6 Low Offset Mode B
0: Normal Mode
1: Low Offset Mode
Slightly lowers the DC offset from input to output by
increasing the maximum amount of clamp restore
current from 130µA to 270µA.
7 Slave Mode B
0: Sync tip DC-restore on selected channel (master
mode)
1: DC-restore clamp timing slaved to Sync Separator B
(slave mode)
1:0 Input Select A
2 Reserved
0: Svideo_IN0
1: Svideo_IN1
2: Svideo_IN2
3: Svideo_IN3
Set this bit to 0
3 Filter Disable A
0: 10MHz Smoothing Filter
1: Smoothing Filter bypassed (40MHz bandwidth)
4 Output Amplifier Gain A 0: x1
1: x2
5 Enable A
0: Disables (High-Z) S-Video A outputs
1: Enables S-Video A outputs
6 Low Offset Mode A
0: Normal Mode
1: Low Offset Mode
Slightly lowers the DC offset of the output by increasing
the maximum amount of clamp restore current from
130µA to 270µA.
7 Slave Mode A
0: Sync tip DC-restore on selected channel (master
mode)
1: DC-restore clamp timing slaved to Sync Separator A
(slave mode)
27
FN7510.0
February 14, 2008