參數(shù)資料
型號(hào): CH7008A-V
廠商: Electronic Theatre Controls, Inc.
英文描述: Digital PC to TV Encoder Features
中文描述: 數(shù)字電視編碼器電腦功能
文件頁(yè)數(shù): 26/49頁(yè)
文件大?。?/td> 341K
代理商: CH7008A-V
CHRONTEL
CH7008A
26
201-0000-027 Rev 2.2, 9/30/99
Transfer Protocols
(continued)
.
Figure 22: Alternating Read Cycle
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.
Figure 23: Auto-increment Read Cycle
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.
Figure 23
shows an auto-increment read cycle terminated by a STOP
or RESTART condition.
CH7008
acknowledge
CH7008
acknowledge
SD
SC
1 - 8
RAB 1
9
10
ACK
Restart
Condition
Condition
Start
Condition
Stop
Master does
not acknowledge
1 - 7
Device ID
8
R/W*
9
ACK
CH7008
acknowledge
CH7008
acknowledge
1 - 8
Data 1
9
ACK
1 - 7
Device ID
8
R/W*
9
ACK
CH7008
acknowledge
I
2
C
I
2
C
10
Restart
Condition
1 - 8
RAB 2
9
10
ACK
Restart
Condition
1 - 7
Device D
8
R/W*
9
ACK
1 - 8
Data 2
9
ACK
1 - 7
Device D
8
R/W*
9
ACK
CH7008
acknowledge
I
2
C
I
2
C
Master
does not
acknowledge
Master
acknowledge
SD
SC
1 - 8
RAB n
9
10
ACK
Restart
Condition
Condition
Start
Condition
Stop
Master does
not acknowledge
just before Stop
condition
1 - 7
Device ID
8
R/W*
9
ACK
CH7008
acknowledge
CH7008
acknowledge
1 - 8
Data n
9
ACK
1 - 7
Device ID
8
R/W*
9
ACK
CH7008
acknowledge
1 - 8
Data
n+1
9
ACK
I
2
C
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