參數(shù)資料
型號： ADV7190KST
廠商： ANALOG DEVICES INC
元件分類： 顏色信號轉(zhuǎn)換
英文描述： Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs
中文描述： COLOR SIGNAL ENCODER, PQFP64
封裝： LQFP-64
文件頁數(shù)： 38/69頁
文件大?。?/td> 628K
代理商： ADV7190KST
ADV7190/ADV7191
–38–
REV. 0
CGMS_WSS REGISTER 1 C/W1 (C/W17–C/W10)
(Address (SR4–SR0) = 1AH)
CGMS_WSS Register 1 is an 8-bit-wide register. Figure 70 shows
the operations under control of this register.
C/W1 BIT DESCRIPTION
CGMS/WSS Data (C/W10–C/W15)
These bit locations are shared by CGMS data and WSS data. In
NTSC mode these bits are CGMS data. In PAL mode these bits
are WSS data.
CGMS Data (C/W16–C/W17)
These bits are CGMS data bits only.
C/W17
C/W16
C/W15
C/W14
C/W13
C/W12
C/W11
C/W10
C/W15
–
C/W10
CGMS/WSS DATA
C/W17
–
C/W16
CGMS DATA
Figure 70. CGMS_WSS Register 1
CGMS_WSS REGISTER 2
C/W1 (C/W27–C/W20)
(Address (SR4–SR0) = 1BH)
CGMS_WSS Register 2 is an 8-bit-wide register. Figure 71 shows
the operations under control of this register.
C/W2 BIT DESCRIPTION
CGMS/WSS Data (C/W20–C/W27)
These bit locations are shared by CGMS data and WSS data. In
NTSC mode these bits are CGMS data. In PAL mode these bits
are WSS data.
C/W27
–
C/W20
CGMS/WSS DATA
C/W27
C/W26
C/W25
C/W24
C/W23
C/W22
C/W21
C/W20
Figure 71. CGMS_WSS Register 2
CONTRAST CONTROL REGISTER (CC00–CC07)
(Address (SR4–SR0) = 1DH)
The contrast control register is an 8-bit-wide register used to
scale the Y output levels. Figure 72 shows the operation under
control of this register.
Y Scale Value (CC00–CC07)
These eight bits represent the value required to scale the Y pixel
data from 0.0 to 1.5 of its initial level. The value of these eight
bits is calculated using the following equation:
Y Scale Value
=
Scale Factor
×
128
Example:
Scale Factor = 1.18
Y Scale Value = 1.18
×
128 = 151.04
Y Scale Value = 151 (rounded to the nearest integer)
Y Scale Value = 10010111
b
Y Scale Value = 97
h
CC07
–
CC00
Y SCALE VALUE
CC07
CC06
CC05
CC04
CC03
CC02
CC01
CC00
Figure 72. Contrast Control Register
COLOR CONTROL REGISTERS 2–1 (CC2–CC1)
(Address (SR4–SR0) = 1EH–1FH)
The color control registers are 8-bit-wide registers used to scale
the U and V output levels. Figure 73 shows the operations under
control of these registers.
CC17
–
CC10
U SCALE VALUE
CC17
CC16
CC15
CC14
CC13
CC12
CC11
CC10
CC27
–
CC20
V SCALE VALUE
CC27
CC26
CC25
CC24
CC23
CC22
CC21
CC20
Figure 73. Color Control Registers
CC1 BIT DESCRIPTION
U Scale Value (CC10–CC17)
These eight bits represent the value required to scale the U level
from 0.0 to 2.0 of its initial level. The value of these eight bits is
calculated using the following equation:
U Scale Value
=
Scale Factor
×
128
Example:
Scale Factor = 1.18
U Scale Value = 1.18
×
128 = 151.04
U Scale Value = 151 (rounded to the nearest integer)
U Scale Value = 10010111
b
U Scale Value = 97
h
CC2 BIT DESCRIPTION
V Scale Value (CC20–CC27)
These eight bits represent the value required to scale the V pixel
data from 0.0 to 2.0 of its initial level. The value of these eight
bits is calculated using the following equation:
V Scale Value
=
Scale Factor
×
128
Example:
Scale Factor = 1.18
V Scale Value = 1.18
×
128 = 151.04
V Scale Value = 151 (rounded to the nearest integer)
V Scale Value = 10010111
b
V Scale Value = 97
h
相關(guān)PDF資料
PDF描述
ADV7191 Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs
ADV7191KST Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs
ADV7190 Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs
ADV7192KST Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs
ADV7192 Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7190KSTZ 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP
ADV7191 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs
ADV7191KST 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:54M 4X STD DEF ENCODER NON-MACRO I.C. - Tape and Reel
ADV7191KSTZ 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER
ADV7192 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs
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