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參數(shù)資料
| 型號： | TVP5145 |
| 英文描述： | NTSC/PAL/SECAM/Component Digital Video Decoder With Macrovision(TM) Detection |
| 中文描述： | 的NTSC / PAL / SECAM制式/分量數(shù)字視頻解碼器通過Macrovision（TM）的檢測 |
| 文件頁數(shù)： | 38/92頁 |
| 文件大?。?/td> | 525K |
| 代理商： | TVP5145 |
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2
–
22
Step 4
I2C Write register address (master)
7
6
5
4
3
2
1
0
0
1
1
1
1
1
1
1
Write to microprocessor start address = 7Fh
Step 5
I2C Acknowledge (slave)
9
A
Step 6
I2C Write data (master)
7
6
5
4
3
2
1
0
Data
Data
Data
Data
Data
Data
Data
Data
Any data written to 7Fh starts the TVP5145 device.
Step 7
I2C Acknowledge (slave)
9
A
Step 8
I2C Stop (master)
0
P
2.7.1.6 I
2
C Timing Requirements
The TVP5145 device requires delays in I
2
C accesses to accommodate its internal processor
’
s timing. In accordance
with I
2
C specifications, the TVP5145 device holds the I
2
C clock line (SCL) low to indicate the wait period to the I
2
C
master. If the I
2
C master is not designed to check for the I
2
C clock line held-low condition, then the maximum delays
must always be inserted where required. These delays are of variable length; maximum delays are indicated in the
following diagrams:
Microprocessor start register 7Fh
Start
Slave address
(B8h)
Ack
Subaddress
(7Fh)
Ack
Data
(XXh)
Ack
Wait 1.5 ms
Stop
Normal register writing address 00h
–
8Fh except 7Fh (addresses 90h
–
FFh do not require delays)
Start
Slave address
(B8h)
Ack
Subaddress
Ack
Data
(XXh)
Ack
Wait 64
μ
s
Stop
2.7.2
Parallel Host Interface (PHI)
Table 2
–
5 summarizes the terminal functions of the PHI-mode host interface.
Table 2
–
5. PHI Host Port Terminal Description
TVP5145 TERMINAL
PHI SIGNAL NAME
TYPE
DESCRIPTION
VC3
CS
I
Active low chip select
VC0
DTACK
—
mode A
READY
—
modes B, C
O (see below)
Data acknowledge
—
mode A
Data ready
—
modes B and C
VC1
R/W
—
mode A
WR
—
modes B, C
I
Read/Write
—
modes A and C
Write strobe
—
mode B
VC2
DS
—
mode A
RD
—
mode B
I
Data strobe
—
mode A
Read strobe
—
mode B
A1:A0
HA[1:0]
I
Address bus from host
D7:D0
HD[7:0]
I/O
Input/output data bus from host
INTREQ
INTREQ
O (nominal
open drain)
Interrupt request
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TVP5145EVM | 制造商:Texas Instruments 功能描述:TVP5145EVM - Bulk |
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| TVP5146 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT |
| TVP5146_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision?￡a Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support |
| TVP5146EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
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