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參數(shù)資料
| 型號： | TVP5154AIPNPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | PLASTIC, HTQFP-128 |
| 文件頁數(shù)： | 14/92頁 |
| 文件大小： | 1089K |
| 代理商： | TVP5154AIPNPR |
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www.ti.com
SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
Read Phase 1
Step 1
0
I2C start (master)
S
Step 2
7
6
5
4
3
2
1
0
I2C general address (master)
1
0
1
0
X
0
Step 3
9
I2C acknowledge (slave)
A
Step 4
7
6
5
4
3
2
1
0
I2C read register address (master)
addr
Step 5
9
I2C acknowledge (slave)
A
Step 6
0
I2C stop (master)
P
Read Phase 2
Step 7
0
I2C start (master)
S
Step 8
7
6
5
4
3
2
1
0
I2C general address (master)
1
0
1
0
X
1
Step 9
9
I2C acknowledge (slave)
A
Step 10
7
6
5
4
3
2
1
0
I2C read data (slave)
Data
Step 11(1)
9
I2C not acknowledge (master)
A
Step 12
0
I2C stop (master)
P
(1)
Repeat steps 10 and 11 for all bytes read. Master does not acknowledge the last read data received.
4.2.1
I
2C Timing Requirements
The TVP5154A decoder requires delays in the I2C accesses to accommodate its internal processor's
timing. In accordance with I2C specifications, the TVP5154A decoder holds the I2C clock line (SCL) low to
indicate the wait period to the I2C master. If the I2C master is not designed to check for the I2C clock line
held-low condition, the maximum delays must always be inserted where required. These delays are of
variable length; maximum delays are indicated in the following diagram:
Table 4-3. I2C Timing
Slave address
Start
Ack
Subaddress
Ack
Data (XXh)
Ack
Wait 128 s(1)
Stop
(B8h)
(1)
If the SCL pin is not monitored by the master to enable pausing, a delay of 128 s should be inserted between transactions for registers
00h through 8Fh.
Copyright 2007–2010, Texas Instruments Incorporated
Clock Circuits
21
Product Folder Link(s): TVP5154A
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5154APNP | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5154APNPR | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC SECAM Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5154EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5154 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 |
| TVP5154PNP | 功能描述:視頻 IC 4Ch Lo Pwr PAL/NTSC/ SECAM Video Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5154PNP | 制造商:Texas Instruments 功能描述:4-Channel Video Decoder |
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