Datasheet
ADV7189B
Rev. B | Page 74 of 104
Bits
Subaddress Register Bit Description
7 6 5 4 3 2 1 0 Comments Notes
0 Disable AD_PAL_EN. PAL B/G/I/H
autodetect enable.
1 Enable
0 Disable AD_NTSC_EN. NTSC autodetect
enable.
1 Enable
0 Disable AD_PALM_EN. PAL M autodetect
enable.
1 Enable
0 Disable AD_PALN_EN. PAL N autodetect
enable.
1 Enable
0 Disable AD_P60_EN. PAL 60 autodetect
enable.
1 Enable
0 Disable AD_N443_EN. NTSC443 autodetect
enable.
1 Enable
0 Disable AD_SECAM_EN. SECAM autodetect
enable.
1 Enable
0 Disable
0x07
Autodetect
Enable
AD_SEC525_EN. SECAM 525
autodetect enable.
1 Enable
0x08 Contrast
Register
CON[7:0]. Contrast adjust. This is
the user control for contrast
adjustment.
1 0 0 0 0 0 0 0 Luma gain = 1 0x00 Gain = 0
0x80 Gain = 1;
0xFF Gain = 2
0x09 Reserved Reserved 1 0 0 0 0 0 0 0
0x0A Brightness
Register
BRI[7:0]. This register controls the
brightness of the video signal.
0 0 0 0 0 0 0 0 0x00 = 0IRE
0x7F = +100IRE
0x80 = –100IRE
0x0B Hue
Register
HUE[7:0]. This register contains the
value for the color hue adjustment.
0 0 0 0 0 0 0 0 Hue range =
–90° to +90°
0x0C Default
Value Y
0 Free-run mode dependent
on DEF_VAL_AUTO_EN
DEF_VAL_EN. Default value enable.
1 Force Free-run mode on
and output blue screen
0 Disable Free-run mode
DEF_VAL_AUTO_EN. Default value.
1 Enable Automatic Free-
run mode (blue screen)
When lock is lost,
Free-run mode can
be enabled to output
stable timing, clock,
and a set color.
0 0 1 1 0 1
DEF_Y[5:0]. Default value Y. This
register holds the Y default value.
Y[7:0] = {DEF_Y[5:0],0, 0} Default Y value
output in Free-run
mode.
0x0D Default
Value C
0 1 1 1 1 1 0 0
DEF_C[7:0]. Default value C. The Cr
and Cb default values are defined
in this register.
Cr[7:0] = DEF_C[7:4],0, 0, 0,
0}
Cb[7:0] = DEF_C[3:0], 0, 0,
0, 0}
Default Cb/Cr value
output in Free-run
mode. Default values
give blue screen
output.
0x0E ADI Control Reserved 0 0 0 0 0 Set as default
0 Access User Reg Map
SUB_USR_EN. Enables the user to
access the Interrupt map.
1 Access Interrupt Reg Map
See
260HFigure 38
Reserved 0 0 Set as default