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参数资料
| 型号： | TVP5151PBSR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 颜色信号转换 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP32 |
| 封装： | GREEN, PLASTIC, QFP-32 |
| 文件页数： | 5/85页 |
| 文件大小： | 958K |
| 代理商： | TVP5151PBSR |
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TVP5151
www.ti.com
SLES241D – SEPTEMBER 2009 – REVISED MARCH 2011
At power-up the host interface is required to program the VDP-configuration RAM (VDP-CRAM) contents
with the lookup table (see Section 3.21.64). This is done through port address C3h. Each read from or
write to this address auto increments an internal counter to the next RAM location. To access the
VDP-CRAM, the line mode registers (D0h to FCh) must be programmed with FFh to avoid a conflict with
the internal microprocessor and the VDP in both writing and reading. Full field mode must also be
disabled.
Available VBI lines are from line 6 to line 27 of both field 1 and field 2. Each line can be any VBI mode.
Output data is available either through the VBI-FIFO (B0h) or through dedicated registers at 90h to AFh,
both of which are available through the I2C port.
3.9
VBI FIFO and Ancillary Data in Video Stream
Sliced VBI data can be output as ancillary data in the video stream in the ITU-R BT.656 mode. VBI data is
output during the horizontal blanking period following the line from which the data was retrieved. Table 3-2
shows the header format and sequence of the ancillary data inserted into the video stream. This format is
also used to store any VBI data into the FIFO. The size of FIFO is 512 bytes. Therefore, the FIFO can
store up to 11 lines of teletext data with the NTSC NABTS standard.
Table 3-2. Ancillary Data Format and Sequence
D7
D0
BYTE NO.
D6
D5
D4
D3
D2
D1
DESCRIPTION
(MSB)
(LSB)
0
1
Ancillary data preamble
2
1
3
NEP
EP
0
1
0
DID2
DID1
DID0
Data ID (DID)
4
NEP
EP
F5
F4
F3
F2
F1
F0
Secondary data ID (SDID)
5
NEP
EP
N5
N4
N3
N2
N1
N0
Number of 32-bit data (NN)
6
Video line [7:0]
Internal data ID0 (IDID0)
Data
7
0
Match 1
Match 2
Video line [9:8]
Internal data ID1 (IDID1)
error
8
1. Data
Data byte
9
2. Data
Data byte
First word
10
3. Data
Data byte
11
4. Data
Data byte
...
m–1. Data
Data byte
m. Data
Data byte
Nth word
RSVD
CS[5:0]
Check sum
4(N+2)–1
1
0
Fill byte
EP:
Even parity for D0–D5
NEP:
Negated even parity
DID:
91h: Sliced data of VBI lines of first field
53h: Sliced data of line 24 to end of first field
55h: Sliced data of VBI lines of second field
97h: Sliced data of line 24 to end of second field
SDID:
This field holds the data format taken from the line mode register of the corresponding line.
NN:
Number of Dwords beginning with byte 8 through 4(N+2). This value is the number of
Dwords where each Dword is 4 bytes.
IDID0:
Transaction video line number [7:0]
Copyright 2009–2011, Texas Instruments Incorporated
Functional Description
13
相关PDF资料 |
PDF描述 |
|---|---|
| TVP5151PBS | COLOR SIGNAL DECODER, PQFP32 |
| TVP5151ZQCR | COLOR SIGNAL DECODER, PBGA48 |
| TVP5151ZQC | COLOR SIGNAL DECODER, PBGA48 |
| TVP5154AIPNPR | COLOR SIGNAL DECODER, PQFP128 |
| TVP5154AIPNP | COLOR SIGNAL DECODER, PQFP128 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TVP5151ZQC | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5151ZQCR | 功能描述:视频 IC UltraLo-Pwr NTSC/PAL SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| TVP5154 | 制造商:Texas Instruments 功能描述:4-channel 9-bit Video Decoder TVP5154 |
| TVP5154A | 制造商:TI 制造商全称:Texas Instruments 功能描述:4-Channel Low-Power PAL/NTSC/SECAM Video Decoder With Independent Scalers and Fast Lock |
| TVP5154AIPNP | 功能描述:视频 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
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