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参数资料
型号： ADV7184BSTZ
厂商： Analog Devices Inc
文件页数： 110/112页
文件大小： 0K
描述： IC DECODER VID SDTV MULTI 80LQFP
标准包装： 1
类型： 视频解码器
应用： 投影仪，录音机，安全
电压 - 电源，模拟： 3.15 V ~ 3.45 V
电压 - 电源，数字： 1.65 V ~ 2 V
安装类型： 表面贴装
封装/外壳： 80-LQFP
供应商设备封装： 80-LQFP（14x14）
包装： 托盘
ADV7184
Rev. A | Page 97 of 112
Bit1
Address
Register
Bit Description
7 6 5 4 3 2 1 0 Comments
Notes
0xEE
FB_CONTROL 2
MAN_ALPHA_VAL [6:0]. These bits determine
in what proportion the video from the CVBS
and RGB sources are blended.
0 0 0 0 0 0 0
0
Automatic configuration of the
CSC for SCART support
CSC is used to convert RGB portion of
SCART signal to YCrCb.
FB_CSC_MAN.
1
Enable manual programming of CSC
0xEF
FB_CONTROL 3
0 0 0 No edge shaping
FB_EDGE_SHAPE [2:0].
0 0 1 Level 1 edge shaping
Improves picture transition for high
speed fast blank switching. All other
settings are invalid.
0 1 0 Level 2 edge shaping
0 1 1 Level 3 edge shaping
1 0 0 Level 4 edge shaping
CNTR_ENABLE.
0
Contrast reduction mode disabled
and FB signal interpreted as
bilevel signal
1
Contrast reduction mode enabled
and FB signal interpreted as
trilevel signal
FB_SP_ADJUST.
0 1 0 0
Adjusts FB timing in reference to
the sampling clock
Each LSB corresponds to
th of a
clock cycle.
0xF0
FB_CONTROL 4
FB_DELAY [3:0].
0 1 0 0 Delay on FB signal in 28.63636 MHz
clock cycles
Reserved.
0 1 0 0
0xF1
FB_CONTROL 5
RGB_IP_SEL.
0 SD RGB input for FB on AIN7, AIN8,
and AIN9
1 SD RGB input for FB on AIN4, AIN5,
and AIN6
Reserved.
0
Set to 0
0 0
25%
CNTR_MODE [1:0]. These bits allow adjustment
of contrast level in the contrast reduction box.
0 1
50%
1 0
75%
1 1
100%
FB_LEVEL [1:0]. These bits control reference
level for fast blank comparator.
0 0
CNTR_ENABLE = 0,
FB threshold = 1.4 V
CNTR_ENABLE = 1,
FB threshold = 1.6 V
0 1
CNTR_ENABLE = 0,
FB threshold = 1.6 V
CNTR_ENABLE = 1,
FB threshold = 1.8 V
1 0
CNTR_ENABLE = 0,
FB threshold = 1.8 V
CNTR_ENABLE = 1,
FB threshold = 2 V
1 1
CNTR_ENABLE = 0,
FB threshold = 2 V
CNTR_ENABLE = 1,
FB threshold = not used
0 0
0.4 V contrast reduction threshold
CNTR_ENABLE = 1.
CNTR_LEVEL [1:0]. These bits control reference
level for contrast reduction comparator.
0 1
0.6 V contrast reduction threshold
1 0
0.8 V contrast reduction threshold
1 1
Not used
0xF3
AFE_CONTROL 1
AA_FILT_EN [0].
0 Disables the internal antialiasing
filter on Channel 0
1 Enables the internal antialiasing
filter on Channel 0
0
Disables the internal antialiasing
filter on Channel 1
AA_FILT_EN [1].
1
Enables the internal antialiasing
filter on Channel 1
0
Disables the internal antialiasing
filter on Channel 2
AA_FILT_EN [2].
1
Enables the internal antialiasing
filter on Channel 2
0
Disables the internal antialiasing
filter on Channel 3
AA_FILT_EN [3].
1
Enables the internal antialiasing
filter on Channel 3
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