參數(shù)資料
型號： THS10082CDAR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝： GREEN, PLASTIC, TSSOP-32
文件頁數(shù)： 13/37頁
文件大?。?/td> 375K
代理商： THS10082CDAR
THS10082
SLAS254B MAY 2002 REVISED NOVEMBER 2002
www.ti.com
20
READING DATA FROM THE FIFO
The THS10082 informs the connected processor via the digital output DATA_AV (data available) that a block of conversion
values is ready to be read. The block size to be read is always equal to the setting of the trigger level. The selectable trigger
levels depend on the number of selected analog input channels. For example, when choosing one analog input, a trigger
level of 1, 4, 8, and 14 can be selected. The following figures demonstrate the principle of reading the data (the READ signal
is asynchronous to CONV_CLK).
In Figure 30, a trigger level of 1 is selected. The control signal DATA_AV is set to an active low pulse. This means that the
connected processor has the task to read 1 value from the ADC after every DATA_AV low pulse.
CONV_CLK
DATA_AV
READ
Figure 30. Trigger Level 1 Selected
In Figure 31, a trigger level of 4 is selected. The control signal DATA_AV is set to an active low pulse. This means that the
connected processor has the task to read 4 values from the ADC after every DATA_AV low pulse.
CONV_CLK
DATA_AV
READ
Figure 31. Trigger Level 4 Selected
In Figure 32, a trigger level of 8 is selected. The control signal DATA_AV is set to an active low pulse. This means that the
connected processor has the task to read 8 values from the ADC after every DATA_AV low pulse.
CONV_CLK
DATA_AV
READ
Figure 32. Trigger Level 8 Selected
In Figure 33, a trigger level of 14 is selected. The control signal DATA_AV is set to an active low pulse. This means that
the connected processor has the task to read 14 values from the ADC after every DATA_AV low pulse.
CONV_CLK
DATA_AV
READ
Figure 33. Trigger Level 14 Selected
As shown in Figure 30 through Figure 33, READ, is the logical combination of CS0, CS1, and RD.
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THS10082CDA 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
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THS1009 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER
THS1009CDA 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-BIT, 2 ANALOG INPUT, 8 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTER
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