參數(shù)資料
型號(hào)： DS2406
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： Programmable ROM
英文描述： 1K X 1 OTPROM, PBCY3
封裝： TO-92, 3 PIN
文件頁數(shù)： 14/31頁
文件大小： 356K
代理商： DS2406
DS2406
21 of 31
Conditional Search ROM [ECh]
The Conditional Search ROM command operates similarly to the Search ROM command except that only
devices fulfilling the specified condition will participate in the search. This command provides an
efficient means for the bus master to identify devices in a multidrop system that have to signal a status
change, e.g. the opening of a window in a building control application.
The condition is specified by the bit functions CSS0 to CSS4 in Status Memory location 7. At power-on
all these bits are 1s. They can be changed by means of the Write Status command. As long as the device
remains powered up, the modified search conditions are available for use at any time. For the conditional
search, one can specify the polarity (HIGH or LOW; CSS0), the source (PIO-pin, channel flip flop or
activity latch; CSS1, CSS2), and the channel of interest (A, B or the logical OR of A, B; CSS3, CSS4).
Table 2 shows all qualifying conditions and the required settings for CSS0 to CSS4.
QUALIFYING CONDITIONS FOR CONDITIONAL SEARCH Table 2
DESCRIPTION
CONDITIONAL SEARCH SELECT CODE
CHANNEL SELECT
SOURCE SELECT
POLARITY
CONDITION
CHANNEL
CSS4
CSS3
CSS2
CSS1
CSS0
RESERVED
Don’t care
0
0/1
Unconditional
neither one
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
Channel FF = 0
(transistor on)
A
0
1
0
Channel FF = 1
(transistor off)
A
0
1
0
1
PIO Low
A
0
1
0
PIO High
A
0
1
Activity Latch = 0
B
1
0
1
0
Activity Latch = 1
B
1
0
1
Channel FF = 0
(transistor on)
B
1
0
1
0
Channel FF = 1
(transistor off)
B
1
0
1
0
1
PIO Low
B
1
0
1
0
PIO High
B
1
0
1
Activity Latch = 0
A or B
1
0
1
0
Activity Latch = 1
A or B
1
0
1
Channel FF = 0
(transistor on)
A or B
1
0
Channel FF = 1
(transistor off)
A or B
1
0
1
PIO Low
A or B
1
0
PIO High
A or B
1
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2406/R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1kbit Memory
DS2406/T 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1kbit Memory
DS2406/T&R 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
DS2406/TR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC
DS2406_07 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Dual Addressable Switch Plus 1kbit Memory
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