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參數資料
| 型號： | TVP5154PNPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | PLASTIC, HTQFP-128 |
| 文件頁數： | 9/77頁 |
| 文件大小： | 795K |
| 代理商： | TVP5154PNPRG4 |
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5.2.1
I2C Timing Requirements
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A – MARCH 2006 – REVISED JULY 2006
Read Phase 1
abc
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
abc
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.
The TVP5154 decoder requires delays in the I2C accesses to accommodate its internal processor’s timing.
In accordance with I2C specifications, the TVP5154 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 5-3. I2C Timing
Start
Slave address (B8h)
Ack
Subaddress
Ack
Data (XXh)
Ack
Wait 128
s(1)
Stop
(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.
17
I2C Host Interface
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| TVP5154PNPR | COLOR SIGNAL DECODER, PQFP128 |
| TVP5154PNP | COLOR SIGNAL DECODER, PQFP128 |
| TVP5157PNPR | COLOR SIGNAL DECODER, PQFP128 |
| TVP5157PNP | COLOR SIGNAL DECODER, PQFP128 |
| TVP5156PNPR | COLOR SIGNAL DECODER, PQFP128 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TVP5156PNP | 功能描述:視頻 IC 4Ch NTSC/PAL 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 |
| TVP5156PNPR | 功能描述:視頻 IC 4Ch NTSC/PAL 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 |
| TVP5157PNP | 功能描述:視頻 IC 4Ch NTSC/PAL 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 |
| TVP5157PNPR | 功能描述:視頻 IC 4Ch NTSC/PAL 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 |
| TVP5158 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications |
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