參數(shù)資料
型號: DS2407
英文描述: Dual Addressable Switch Plus 1K.Bit Memory
中文描述: 雙通道、可編址開關與1k位存儲器
文件頁數(shù): 23/31頁
文件大?。?/td> 194K
代理商: DS2407
DS2407
012099 23/31
channel B. The bus master can determine the availabil-
ity of channel B from bit 6 of the Channel Info byte.
The power–on default settings for the conditional
search become valid after the device has received any
ROM function command byte, even an invalid one, and
can be modified by writing to the appropriate Status
Memory location. As long as the device remains pow-
ered up, the modified search conditions are available for
use at any time.
QUALIFYING CONDITIONS FOR CONDITIONAL SEARCH
Figure 13
DESCRIPTION
CONDITIONAL SEARCH SELECT CODE
CONDITION
CHANNEL
CHANNEL SELECT
SOURCE SELECT
POLARITY
CSS4
CSS3
CSS2
CSS1
CSS0
Hidden Mode
neither one
don’t care
0
0
1
Unconditional
neither one
0
0
at least one of these bits
needs to be 1
0
Activity Latch = 0
A
0
1
0
1
0
Activity Latch = 1
A
0
1
0
1
1
Channel FF = 0
(transistor on)
A
0
1
1
0
0
Channel FF = 1
(transistor off)
A
0
1
1
0
1
PIO Low
A
0
1
1
1
0
PIO High
A
0
1
1
1
1
Activity Latch = 0
B
1
0
0
1
0
Activity Latch = 1
B
1
0
0
1
1
Channel FF = 0
(transistor on)
B
1
0
1
0
0
Channel FF = 1
(transistor off)
B
1
0
1
0
1
PIO Low
B
1
0
1
1
0
PIO High
B
1
0
1
1
1
Activity Latch = 0
A or B
1
1
0
1
0
Activity Latch = 1
A or B
1
1
0
1
1
Channel FF = 0
(transistor on)
A or B
1
1
1
0
0
Channel FF = 1
(transistor off)
A or B
1
1
1
0
1
PIO Low
A or B
1
1
1
1
0
PIO High
A or B
1
1
1
1
1
相關PDF資料
PDF描述
DS2407P Dual Addressable Switch Plus 1K.Bit Memory
DS2407T Dual Addressable Switch Plus 1K.Bit Memory
DS2407V Dual Addressable Switch Plus 1K.Bit Memory
DS2407X Dual Addressable Switch Plus 1K.Bit Memory
DS2417X 1-Wire Time Chip With Interrupt
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