參數(shù)資料
型號： AS8501-ASOT
廠商： ams
文件頁數(shù)： 7/41頁
文件大?。?/td> 0K
描述： IC CURRENT MEASURE SOLAR 16-SOIC
標準包裝： 1,500
類型： 數(shù)據(jù)采集系統(tǒng)（DAS）
輸入類型： 模擬，數(shù)字
輸出類型： 模擬，數(shù)字
接口： 串行
電流 - 電源： 5mA
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.295"，7.50mm 寬）
供應商設備封裝： 16-SOIC
包裝： 帶卷 (TR)
AS8501 - Data Sheet
austriamicrosystems
Revision 1.1, 04-April-06
www.austriamicrosystems.com
Page 14 of 40
After that the circuit returns in power-down for approximately 1s. During this time the last measurement (MSR register) is available on the SDI interface.
In this intermediate sleep-mode all modules except internal oscillator and divider are in power-down mode. The SDI interface works independent which
means that the measurement result is available by reading the MSR register. At any time the microprocessor can start any other mode via SDI. In such
a case the external clock must be switched on first.
The chip goes in MWU mode (mode 3) after it received the command for that. After that command 6 or more additional CLK pulses are needed before
external clock may go to power down mode (no CLK pulses, high level because of internal pull-up resistors). This 6 CLK pulses are needed for
synchronisation. On the way back to normal mode this restriction is not needed.
Mode 4: MAM
In this alarm mode the measurement defined in CRA is going on. The channel bit in the THR register must be cleared (channel A). The threshold value
may be positive or negative. Whenever the measured value exceeds the digital threshold value in the THR register the pin INTN (in this mode its
function is to signal alarm-condition) goes LO for one clock cycle. For negative threshold value the signed measurement result must be more negative
than the THR value to activate the alarm. During measurements the signal INTN is high. All modules are in power-up, measurements are continuously
going on.
Mode 5: MZP
Zener-Zap programming/reading. This mode for factory programming only and should not be used by the customer.
Mode 6: MPD
Power down mode. Individual analog blocks can be disabled/enabled. The data acquisition system is not running during this mode is activated.
Mode 7: MSI
The operation in this mode is exactly the same as in MMS mode except that the internal clock is used.
The SDI interface signals can become active whenever appropriate. This mode can be used if no external clock CLK is available. The measuring speed
is reduced by a factor of 16.
Modes 8-15: These modes are reserved for testing purposes and should not be used by the customer. Reading and writing of some registers is only
possible in these higher modes. Write to registers CAR (calibration register) and TRR (trimming register) is allowed only in test modes.
ams
AG
Technical
content
still
valid
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相關代理商/技術參數(shù)
參數(shù)描述
AS8501-ASOU 功能描述:IC DATA ACQ 16-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關文件:Automotive Product Guide 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:20-TSSOP 包裝:管件
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