HMP8117CN Intersil Corporation, HMP8117CN Datasheet - Page 32

• Manufacturer Part Number: HMP8117CN
• Description: NTSC/PAL Video Decoder
• Manufacturer: Intersil Corporation

Video
Gain
0.50
0.51
0.52
0.53
0.54
0.55
0.56
0.57
0.58
0.59
0.60
0.61
0.62
0.63
0.64
0.65
0.66
NO.
NO.
BIT
BIT
7-0
7-6
5-0
206/CEH
202/CA
197/C5
193/C1
191/BF
187/BB
183/B7
180/B4
178/B2
174/AE
171/AB
169/A9
167/A7
164/A4
161/A1
159/9F
156/9C
Value
Video Gain Adjust
Reserved
Sharpness
Adjust
Reg.
H
H
H
H
H
H
H
H
FUNCTION
H
H
H
H
FUNCTION
H
H
H
H
Video
Gain
0.67
0.68
0.69
0.70
0.71
0.72
0.73
0.74
0.75
0.76
0.77
0.78
0.79
0.80
0.81
0.82
0.83
32
This register is enabled by the selection of “fixed gain control” mode in the Analog Input Control
register 05
digital gain factor which is applied to both Luma and Chroma input channels. The gain factor is
selected from nonlinear lookup table and may range in value from 0.5x (CE
Refer to Table 39 below. The Register Values in italics below mark the approximate analog
attenuation ladder switching points.
Specifies the amount of high frequency gain control for luminance signals (either 2.6MHz or
F
1111
141/8D
125/7D
124/7C
150/96H
143/8F
139/8B
132/84H
126/7E
153/99
151/97
147/93
145/91
137/89
136/88
134/86
130/82
128/80
SC
Value
Reg.
), as determined by the Luma Processing register 08
B
) to -12dB (00 0100
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
TABLE 39. VIDEO GAIN REGISTER LOOKUP TABLE
H
TABLE 40. SHARPNESS ADJUST REGISTER
TABLE 38. VIDEO GAIN ADJUST REGISTER
bits 7-4. The value of this register selects a combined analog attenuation and a
Video
Gain
0.84
0.85
0.86
0.87
0.88
0.89
0.90
0.91
0.92
0.94
0.95
0.96
0.97
0.98
1.00
1.01
1.02
SUB ADDRESS = 1D
SUB ADDRESS = 1E
123/7B
115/73H
111/6F
110/6E
109/6D
107/6B
106/6A
101/65H
121/79
119/77
118/76
117/75
114/72
113/71
104/68
103/67
102/66
B
Value
Reg.
). A value of 0dB (“01 0000”) has no effect on the data.
HMP8117
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Video
Gain
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.10
1.12
1.13
1.14
1.15
1.16
1.18
1.20
1.21
1.22
DESCRIPTION
DESCRIPTION
H
H
100/64
93/5D
92/5C
95/5F
94/5E
91/5B
90/5A
88/58H
99/63
98/62
97/61
96/60
89/59
87/57
86/56
85/55
84/54
Value
Reg.
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
. The gain ranges from +12dB (11
Video
Gain
1.23
1.25
1.27
1.28
1.30
1.31
1.33
1.34
1.37
1.38
1.40
1.42
1.44
1.46
1.48
1.51
1.52
77/4DH
79/4F
78/4E
76/4C
75/4B
74/4A
68/44H
83/53
82/52
81/51
80/50
73/49
72/48
71/47
70/46
69/45
67/43
H
Value
Reg.
) to 1.99x (33
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Video
Gain
1.55
1.57
1.59
1.63
1.65
1.67
1.70
1.73
1.76
1.79
1.82
1.86
1.89
1.93
1.97
1.99
H
).
010000
59/3BH
RESET
63/3F
62/3E
61/3D
60/3C
58/3A
51/33H
RESET
STATE
66/42
65/41
64/40
57/39
56/38
55/37
54/36
53/35
52/34
STATE
Value
Reg.
80
00
H
B
H
H
H
H
H
H
H
H
H
H
H
H
H
H
B