參數(shù)資料
型號(hào)： DS1615X
英文描述： Temperature Recorder
中文描述： 溫度記錄儀
文件頁(yè)數(shù)： 14/24頁(yè)
文件大小： 199K
代理商： DS1615X
DS1615
14 of 24
TLF -
Temperature Low Flag - A logic 1 in the Temperature Low Flag bit indicates that the temperature
is/has been less than or equal to the value in the Temperature Low Threshold register. If TLIE is also a
logic 1, the
INT
pin will go low. TLF is cleared by writing this bit to a logic 0.
THF -
Temperature High Flag - A logic 1 in the Temperature High Flag bit indicates that the temperature
is/has been greater than or equal to the value in the Temperature High Threshold register. If THIE is also
a logic 1, the
INT
pin will go low. THF is cleared by writing this bit to a logic 0.
ALMF -
Alarm Flag - A logic 1 in the Alarm Flag bit indicates that the current time has matched the time
of day Alarm registers. If the AIE bit is also a logic 1, the
INT
pin will go low. ALMF is cleared by
writing this bit to a logic 0.
SAMPLE RATE REGISTER
MSb
SR7
SR6
LSb
SR5
SR4
SR3
SR2
SR1
SR0
The data sample rate for the DS1615 can range from once per minute to once per 255 minutes. The rate
is equal to the value written to the Sample Rate register multiplied by one minute.
This register can only be written to a new value when the MEM CLR bit in the Status register is set to 1.
In other words, once a datalog mission has started, it cannot be changed without first issuing the Clear
Memory command.
The Sample Rate register is cleared by issuing the Clear Memory command.
START DELAY RESISTER
MSb
D15
D7
LSb
D14
D6
D13
D5
D12
D4
D11
D3
D10
D2
D9
D1
D8
D0
The Start Delay register determines the amount of delay before the DS1615 begins to take temperature
measurements. The amount of the delay is roughly equal to the value in the register multiplied by one
minute. If the register contains 00h, the first sample will begin when the seconds register rolls over from
59 to 00.
The value in this register decrements each time the seconds register rolls over from 59 to 00 until the Start
Delay register reaches a value of 00h.
TEMPERATURE HIGH THRESHOLD REGISTER
MSb
TH7
TH6
TH5
LSb
TH4
TH3
TH2
TH1
TH0
This register determines the high threshold for interrupt generation from the thermal sensor. If the
temperature is greater than or equal to the value in this register, an interrupt will be activated if the
Temperature High Interrupt Enable (THIE) bit is set to a logic 1.
TEMPERATURE LOW THRESHOLD REGISTER
MSb
TL7
TL6
TL5
LSb
TL4
TL3
TL2
TL1
TL0
相關(guān)PDF資料
PDF描述
DS1616 Temperature and Three Input MUX’ed 8-bit Data Recorder
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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DS16177D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Bus Transceiver
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