参数资料
| 型号： | ADV7184BSTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 65/112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 |
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ADV7184
Rev. A | Page 56 of 112
VDP_TTXT_TYPE_MAN_ENABLE, Enable Manual
Selection of Teletext Type, Address 0x60 [2], User Sub Map
0 (default)—Manual programming of the teletext type is
disabled.
1—Manual programming of the teletext type is enabled.
VDP_TTXT_TYPE_MAN [1:0], Specify the Teletext Type,
Address 0x60 [1:0], User Sub Map
These bits specify the teletext type to be decoded. These bits are
functional only if VDP_TTXT_TYPE_MAN_ENABLE is set to 1.
Table 69. VDP_TTXT_TYPE_MAN Function
Description
VDP_TTXT_
TYPE_MAN [1:0]
625/50 (PAL )
525/60 (NTSC)
00 (default)
Teletext-ITU-R
BT.653-625/50-A
Reserved
01
Teletext-ITU-R
BT.653-625/50-B
(WST)
Teletext-ITU-R BT.653-
525/60-B
10
Teletext-ITU-R
BT.653-625/50-C
Teletext-ITU-R BT.653-
525/60-C or EIA516
(NABTS)
11
Teletext-ITU-R
BT.653-625/50-D
Teletext-ITU-R BT.653-
525/60-D
VDP Ancillary Data Output
Reading the data back via I2C may not be feasible for VBI data
standards with high data rates (for example, teletext). An alternative
is to place the sliced data in a packet within the line blanking of the
digital output CCIR 656 stream. This is available for all standards
sliced by the VDP module.
When data is sliced on a given line, the corresponding ancillary
data packet is placed immediately after the next EAV code that
occurs at the output (that is, data sliced from multiple lines is not
buffered up and then emitted in a burst). Note that the line on
which the packet is placed differs from the line on which the
data was sliced due to the vertical delay through the comb filters.
The user can enable or disable the insertion of VDP-decoded results
into the 656 ancillary streams by using the ADF_ENABLE bit.
ADF_ENABLE, Enable Ancillary Data Output Through
656 Stream, Address 0x62 [7], User Sub Map
0 (default)—Disables insertion of VBI decoded data into an
ancillary 656 stream.
1—Enables insertion of VBI decoded data into an ancillary
656 stream.
The user can select the data identification word (DID) and the
secondary data identification word (SDID) by programming the
ADF_DID [4:0] and ADF_SDID [5:0] bits, respectively, as
explained in the following sections.
ADF_DID [4:0], User-Specified Data ID Word in
Ancillary Data, Address 0x62 [4:0], User Sub Map
These bits select the DID to be inserted into the ancillary data
stream with the data decoded by the VDP.
The default value of ADF_DID [4:0] is 10101.
ADF_SDID [5:0], User-Specified Secondary Data ID
Word in Ancillary Data, Address 0x63 [5:0], User Sub Map
These bits select the SDID to be inserted in the ancillary data
stream with the data decoded by the VDP.
The default value of ADF_SDID [5:0] is 101010.
DUPLICATE_ADF, Enable Duplication/Spreading of
Ancillary Data over Y and C Buses, Address 0x63 [7],
User Sub Map
This bit determines whether the ancillary data is duplicated
over both the Y and C buses or if the data packets are spread
between the two channels.
0 (default)—The ancillary data packet is spread across the Y and
C data streams.
1—The ancillary data packet is duplicated on the Y and C
data streams.
ADF_MODE [1:0], Determine the Ancillary Data Output
Mode, Address 0x62 [6:5], User Sub Map
These bits determine if the ancillary data output mode is in byte
mode or nibble mode.
Table 70. ADF_MODE [1:0]
ADF_MODE [1:0]
Description
00 (default)
Nibble mode
01
Byte mode, no code restrictions
10
Byte mode, but 0x00 and 0xFF are prevented
(0x00 replaced by 0x01, 0xFF replaced by 0xFE)
11
Reserved
The ancillary data packet sequence is explained in Table 71 and
Table 72. The nibble output mode is the default mode of output
from the ancillary stream when ancillary stream output is enabled.
This format complies with ITU-R BT.1364.
Some definitions of the abbreviations used in Table 71 and
Table 72 are as follows:
EP. Even parity for Bits B8 to B2. This means that Parity
Bit EP is set so that an even number of 1s are in Bits B8 to
B2, including the D8 parity bit.
CS. Checksum word. The CS word is used to increase the
integrity of the ancillary data packet from the DID, SDID,
and dc through user data-words (UDWs). It consists of 10
bits: a 9-bit calculated value and B9 as the inverse of B8.
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| ADV7186BBCZ | 功能描述:IC VIDEO DECODER 196CSPBGA RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| ADV7186BBCZ-RL | 功能描述:IC VIDEO DECODER 196CSPBGA RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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