参数资料
型号: TVP5150AM1MPBSREP
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: PLASTIC, TQFP-32
文件页数: 17/79页
文件大小: 896K
代理商: TVP5150AM1MPBSREP
3.15.2.1 Read Phase 1
3.15.2.2 Read Phase 2
TVP5150AM1-EP
Ultralow-Power NTSC/PAL/SECAM Video Decoder
SLES213 – MAY 2008
www.ti.com
The second phase is the data phase. In this phase, an I2C master initiates a read operation to the
TVP5150AM1 decoder by generating a start condition followed by the TVP5150AM1 I2C address (see the
following illustration of a read operation), in MSB-first bit order, followed by a 1 to indicate a read cycle.
After an acknowledge from the TVP5150AM1 decoder, the I2C master receives one or more bytes of data
from the TVP5150AM1 decoder. The I2C master acknowledges the transfer at the end of each byte. After
the last data byte desired has been transferred from the TVP5150AM1 decoder to the master, the master
generates a not acknowledge followed by a stop.
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 Write register address (master)
Addr
Step 5
9
I2C Acknowledge (slave)
A
Step 6
0
I2C Stop (master)
P
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.
Functional Description
24
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