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| HMP8117_07 Datasheet, PDF (22/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder | |||
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HMP8117
Control Registers
R
TABLE 10. CONTROL REGISTER SUMMARY
SUB-
ADDRESS
CONTROL REGISTER
RESET/
DEFAULT
VALUE
USE
VALUE
COMMENTS
00H
Product ID
16H or 17H
Returns last two digits of part number in hex format.
01H
Input Format
19H
Defaults to auto-detect of input video standard.
02H
Output Format
00H
Defaults to 16-bit YCbCr data format.
03H
Output Control
00H
C0H
Set Bits 7-6 to enable data and timing outputs.
04H
Genlock Control
09H
Defaults to 27MHz CLK2, Rectangular Pixel Mode
05H
Analog Input Control
10H
Defaults to input signal select = CVBS1.
06H
Color Processing
52H
08H
Luma Processing
04H
0AH
Sliced VBI Data Enable
00H
0BH
Sliced VBI Data Output
00H
0CH
VBI Data Status
00H
0EH
Video Status
00H
0FH
Interrupt Mask
00H
10H
Interrupt Status
00H
11H
Raw VBI Control
00H
12H
Raw VBI Start Count
7AH
14H/13H Raw VBI Stop Count MSB/LSB
03H/4AH
15H
Raw VBI Line Mask_7_0
FEH
16H
Raw VBI Line Mask_15_8
1FH
17H
Raw VBI Line Mask_18_16
00H
18H
Brightness
00H
19H
Contrast
80H
1AH
Hue
00H
1BH
Saturation
80H
1CH
Color Gain Adjust
40H
1DH
Video Gain Adjust
80H
1EH
Sharpness
10H
1FH
Host Control
00H
Set bit 7 for Soft Reset. Set bit 6 for Power Down.
20H-23H Closed Caption Data Registers
80H
24H-29H WSS Data & CRC Registers
00H
31H/30H Start H_BLANK MSB/LSB
03H/4AH
Table 3 BLANK programming changes for each video standard.
32H
End H_BLANK
7AH
Table 3 (same as above)
34H/33H Start V_BLANK MSB/LSB
01H/02H
Table 3 (same as above)
35H
End V_BLANK
12H
Table 3 (same as above)
36H
End HSYNC
30H
Table 3 (same as above)
37H
HSYNC Detect Window
20H
90H
A wider window tolerates poorly timed video sources.
41H
MV Control
26H
42H
Reserved
00H
30H
Set bits 5-4 to 11B for optimum performance.
50H
Programmable Fractional Gain
0CH
21H
A slower PFG improves AGC stability.
51H
MV Stripe Gate
14H
52H
Reserved
02H
22H
Set bit 5 to â1â for optimum performance.
53H
AGC Hysteresis
00H
F0H
Larger hysteresis improves AGC stability.
7FH
Device Revision
01H
Production baseline revision is 01H.
Sub-Addresses: 40H, 43H-4FH are reserved. Reads from these registers may return non-zero values.
Sub-Addresses: 07H, 09H, 0DH, 2AH-2FH, 38H-3FH and 54H-7EH are unused. Reads from these registers return 00H. Writes are ignored.
22
FN4643.3
April 19, 2007
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