參數(shù)資料
型號： EVAL-ADV7180-32EBZ
廠商： Analog Devices Inc
文件頁數(shù)： 112/116頁
文件大?。?/td> 0K
描述： BOARD EVAL FOR ADV7180
標(biāo)準(zhǔn)包裝： 1
系列： Advantiv®
主要目的： 視頻，SDTV 視頻解碼器 - NTSC，PAL，SECAM
嵌入式： 否
已用 IC / 零件： ADV7180
主要屬性： CVBS（復(fù)合），Y/C（S 視頻）和 YPrPb（元件）輸入
次要屬性： 8 位 ITU-R BT.656 YCrCb 4:2:2 輸出
已供物品： 板
Data Sheet
ADV7180
Rev. I | Page 95 of 116
Main Map
Bit Description
Bits
(Shading Indicates Default State)
Comments
Notes
Subaddress
Register
7
6
5
4
3
2
1
0
0x58
VS/FIELD
pin control
VS/FIELD; VSYNC or FIELD
output; 40-lead and
32-lead LFCSP only
0
FIELD
Pin 37 on 40-lead
LFCSP, Pin 31 on
32-lead LFCSP
1
VSYNC
Reserved
0
Set to default
ADC sampling control
0
ADC sampling control
1
Y/C mode only
Mandatory write
Reserved
0
Set to default
0x59
General-
purpose
outputs
GPO[3:0]; LQFP only
0
Outputs 0 to GPO0
GPO_ENABLE
must be set to 1
for these bits to
take effect
1
Outputs 1 to GPO0
0
Outputs 0 to GPO1
1
Outputs 1 to GPO1
0
Outputs 0 to GPO2
1
Outputs 1 to GPO2
0
Outputs 0 to GPO3
1
Outputs 1 to GPO3
GPO_ENABLE
0
GPO[3:0] three-stated
1
GPO[3:0] enabled
Reserved
0
0x8F
Free-Run Line
Length 1
Reserved
0
Set to default
LLC_PAD_SEL[2:0]; enables
manual selection of the
clock for the LLC pin
0
LLC (nominal 27 MHz) selected out
on LLC pin
1
0
1
LLC (nominal 13.5 MHz) selected out
on LLC pin
For 16-bit 4:2:2 out,
OF_SEL[3:0] = 0010
Reserved
0
Set to default
0x99
CCAP1
(read only)
CCAP1[7:0]; closed
caption data register
x
CCAP1[7] contains parity bit for Byte 0
0x9A
CCAP2
(read only)
CCAP2[7:0]; closed
caption data register
x
CCAP2[7] contains parity bit for Byte 0
0x9B
Letterbox 1
(read only)
LB_LCT[7:0]; letterbox
data register
x
Reports the number of black lines
detected at the top of active video
This feature
examines the active
video at the start
and end of each
field; it enables
format detection
even if the video is
not accompanied
by a CGMS or WSS
sequence
0x9C
Letterbox 2
(read only)
LB_LCM[7:0]; letterbox
data register
x
Reports the number of black lines
detected in the bottom half of active
video if subtitles are detected
0x9D
Letterbox 3
(read only)
LB_LCB[7:0]; letterbox
data register
x
Reports the number of black lines
detected at the bottom of active video
0xB2
CRC enable
(write only)
Reserved
0
Set as default
CRC_ENABLE; enable CRC
checksum decoded from
FMS packet to validate
CGMSD
0
Turn off CRC check
1
CGMSD goes high with valid checksum
Reserved
0
1
Set as default
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