saa7114 NXP Semiconductors, saa7114 Datasheet - Page 116

• Manufacturer Part Number: saa7114
• Description: Pal/ntsc/secam Video Decoder With Adaptive Pal/ntsc Combfilter, Vbi-data Slicer And High Performance Scaler
• Manufacturer: NXP Semiconductors

Philips Semiconductors
SAA7114_3
Product data sheet
10.5.10 Subaddresses A4h to A6h
10.5.11 Subaddresses A8h to AEh
Table 116: Luminance brightness control; register set A [A4h[7:0]] and B [D4h[7:0]]
Table 117: Luminance contrast control; register set A [A5h[7:0]] and B [D5h[7:0]]
Table 118: Chrominance saturation control; register set A [A6h[7:0]] and B [D6h[7:0]]
Table 119: Horizontal luminance scaling increment; register set A [A8h[7:0]; A9h[7:0]] and
[1]
Luminance
brightness control
Value = 0
Nominal value = 128
Value = 255
Luminance contrast
control
Gain = 0
Gain =
Nominal gain = 64
Gain =
Chrominance
saturation control
Gain = 0
Gain =
Nominal gain = 64
Gain =
Horizontal luminance
scaling increment
Scale =
zoom
Scale =
defined by data path
structure
Scale =
Scale = 1; equals 1024
Scale =
Scale =
Bits XSCY[15:13] are reserved and are set to logic 0.
1
127
1
127
1024
1024
1024
1024
1024
64
64
64
64
B [D8h[7:0]; D9h[7:0]]
1
294
1023
1025
8191
(theoretical)
; lower limit
zoom
downscale
downscale
Rev. 03 — 17 January 2006
Control bits D7 to D0
BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0
0
1
1
Control bits D7 to D0
CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0
0
0
0
0
Control bits D7 to D0
SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0
0
0
0
0
Control bits
A [A9h[7:4]]
B [D9h[7:4]]
XSCY[15:12]
0000
0000
0000
0000
0000
0001
0
0
1
0
0
1
1
0
0
1
1
0
0
1
0
0
0
1
0
0
0
1
[1]
A [A9h[3:0]]
B [D9h[3:0]]
XSCY[11:8]
0000
0001
0011
0100
0100
1111
0
0
1
0
0
0
1
0
0
0
1
PAL/NTSC/SECAM video decoder
0
0
1
0
0
0
1
0
0
0
1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
A [A8h[7:4]]
B [D8h[7:4]]
XSCY[7:4]
0000
0010
1111
0000
0000
1111
0
0
1
0
0
0
1
0
0
0
1
SAA7114
0
0
1
0
0
0
1
0
0
0
1
A [A8h[3:0]]
B [D8h[3:0]]
XSCY[3:0]
0000
0110
1111
0000
0001
1111
116 of 144
0
0
1
0
1
0
1
0
1
0
1