CH7005C-V ETC [List of Unclassifed Manufacturers], CH7005C-V Datasheet - Page 28
CH7005C-V
Manufacturer Part Number
CH7005C-V
Description
Digital PC to TV Encoder with Macrovision
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.CH7005C-V.pdf
(49 pages)
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CHRONTEL
Transfer Protocols (continued)
.
If AutoInc = 1, then the address register will be incremented automatically and subsequent data bytes can be read
from successive registers, without providing a second RAB
When the auto-increment mode is enabled (AutoInc is set to 1), the Address Register will continue incrementing for
each read cycle. When the content of the Address Register reaches 2A, it will wrap around and start from 00h again.
The auto increment sequence can be terminated by either a “STOP” or “RESTART” condition. The read operation
can be terminated with a “STOP” condition.
or RESTART condition.
28
SC
SD
SD
SC
Condition
Condition
Start
Start
Device ID
Device ID
1 - 7
Device ID
1 - 7
1 - 7
R/W*
8
acknowledge
R/W*
R/W*
CH7005
I
8
2
C
I
acknowledge
8
2
acknowledge
ACK
C
CH7005
9
CH7005
ACK
ACK
9
Figure 25: Auto-increment Read Cycle
9
RAB n
1 - 8
Figure 24: Alternating Read Cycle
RAB 2
acknowledge
1 - 8
RAB 1
1 - 8
CH7005
ACK
acknowledge
9
acknowledge
CH7005
Figure 25 shows an auto-increment read cycle terminated by a STOP
CH7005
ACK
Condition
ACK
9
Restart
9
10
Condition
Condition
Restart
Restart
10
Device ID
10
1 - 7
Device ID
Device ID
1 - 7
R/W*
1 - 7
I
8
2
C
acknowledge
CH7005
ACK
R/W*
9
R/W*
I
8
2
C
I
8
2
C
acknowledge
acknowledge
Data n
CH7005
1 - 8
CH7005
ACK
ACK
9
9
acknowledge
Master
ACK
Data 2
201-0000-025 Rev 2.1, 8/2/99
9
1 - 8
Data 1
1 - 8
Master does
not acknowledge
Data
1 - 8
n+1
Master does
not acknowledge
just before Stop
condition
acknowledge
ACK
does not
ACK
9
Master
9
CH7005C
ACK
9
Condition
Condition
Restart
Stop
10
Condition
Stop
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