参数资料
型号: ADV7189BBSTZ
厂商: Analog Devices Inc
文件页数: 89/104页
文件大小: 0K
描述: IC VIDEO DECODER SDTV 80-LQFP
标准包装: 1
类型: 视频解码器
应用: 机顶盒,视频播放器,录音机
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
ADV7189B
Rev. B | Page 85 of 104
Bits
Subaddress
Register
Bit Description
7
6
5
4
3
2
1
0
Comments
Notes
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
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
This feature
examines the active
video at the start and
at the end of each
field. It enables
format detection
even if the video is
not accompanied by
a CGMS or WSS
sequence.
Reserved
0
Set as default
0
Turn off CRC check
CRC_ENABLE. Enable CRC
checksum decoded from CGMS
packet to validate CGMSD.
1
CGMSD goes high with
valid checksum
0xB2
CRC Enable
Write
Register
Reserved
0
1
Set as default
0
No connection
0
1
AIN1
0
1
0
AIN2
0
1
AIN3
0
1
0
AIN4
0
1
0
1
AIN5
0
1
0
AIN6
0
1
No connection
1
0
No connection
1
0
1
AIN7
1
0
1
0
AIN8
1
0
1
AIN9
1
0
AIN10
1
0
1
AIN11
1
0
AIN12
ADC0_SW[3:0]. Manual muxing
control for ADC0.
1
No connection
SETADC_sw_man_
en = 1
0
No connection
0
1
No connection
0
1
0
No connection
0
1
AIN3
0
1
0
AIN4
0
1
0
1
AIN5
0
1
0
AIN6
0
1
No connection
1
0
No connection
1
0
1
No connection
1
0
1
0
No connection
1
0
1
AIN9
1
0
AIN10
1
0
1
AIN11
1
0
AIN12
0xC3
ADC
SWITCH 1
ADC1_SW[3:0]. Manual muxing
control for ADC1.
1
No connection
SETADC_sw_man_
en = 1
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