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參數(shù)資料
| 型號： | M65617SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | PICTURE-IN-PICTURE SIGNAL PROCESSING |
| 中文描述： | 子母圖像信號處理 |
| 文件頁數(shù)： | 12/15頁 |
| 文件大?。?/td> | 74K |
| 代理商： | M65617SP |
MITSUBISHI ICs (TV)
M65617SP
PICTURE-IN-PICTURE SIGNAL PROCESSING
12
PIP TV SYSTEM BLOCK DIAGRAM
(BASIC)
Composite
Video Signal
Y/C Separated
Video Signal
Y
C
Y
C
Y
C
CV
Y
C
Y
C
M65617SP
BLPLL
B-LD
Y/C
Separation
PIP Signal
Processing
Video
Signal
Processing
Deflection
Unit
Yoke
HD
VD
(Driving Method and Operating Specification for
Serial Interface Data)
(1) Completion and start of serial transfer
If DATA (serial signal data) is changed from 'L' to 'H' when CLK
(serial clock signal) is 'H', serial transfer is completed to
generate a bus-free status.
If DATA is changed from 'H' to 'L' when CLK is 'H', serial transfer
is started to stand by for subsequent input of CLK and DATA.
(2) Serial data transfer
Data, which is transferred in the unit of 1 byte, is sent
sequentially from the MSB-side bit through DATA. Clock
waveform necessary for the transfer of 1 byte represents 9
times, of which address/data are transferred with the initial 8
times, and acknowledge detection performed with the remaining
one time. (When reading, 'H' is output to ACK at the agreement
of address in the case of address transfer, and at the completion
of the 8 bit portion in the case of setting data transfer. When
writing, 'H' is output to ACK at the agreement of address in the
case of address transfer, and 'L' is output to ACK to detect
acknowledge input from master after 8 bit data is output.)
DATA needs to be changed when CLK is 'L' if address/data is to
be transferred. (Allowing DATA to be changed when CLK is 'H'
or simultaneously with the change of CLK, will cause
maloperation since no identification is possible of the
completion and start of serial transfer.
There are no restrictions on the number of bytes of data
transferred after the start of serial transfer.
(3) Data transfer byte format (data transfer sequence)
1. Data transfer byte format in setting data to M65617SP will be
described:
Generate a serial transfer start status before sending slave
address 24h (00100100b), and then send internal register
address (1 byte) followed by setting data (in the unit of 1
byte). For setting data, a single transfer allows more than 1
byte to be transferred. In this case, setting data is read into
the register that has been address-incremented one by one
from the internal register address sent first. (However,
address 00h will be returned to, following address 7Fh.)
2. Data transfer byte format in writing data from M65617SP will
be described:
Prior to writing data, it is necessary to set the internal
address of M65617SP by reading and transferring data. Read
and transfer data before performing the completion
→
start of
serial transfer. Send slave address 25h (00100101b) in
succession, and the reversed information of writing data is
output to ACK thereafter. More than 1 byte of writing data can
also be transferred. In this case as well, setting data is read
into the register that has been address-incremented one by
one from the internal register address sent first. (However,
address 00h will be returned to, following address 7FNn.)
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