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使用ADS7824和ADS7825的连续并行模式
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2009-06-12
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The ADS7824 and ADS7825 are 12-bit and 16-bit converters
that have a four channel multiplexed front end. The channel
selection on the analog input of these converters is programmable
by way of the pins on the devices, A0 and A1 (see Table
I). This feature provides the most flexibility by allowing the
user to change to the preferred input channel on the fly.
Additionally, the input channels can be cycled by utilizing the
continuous mode of the converter. This mode is easily enabled
by tying the CONTC pin high. In this mode, acquisition and
conversions will take place continually, cycling through all
four input channels without user intervention.
that have a four channel multiplexed front end. The channel
selection on the analog input of these converters is programmable
by way of the pins on the devices, A0 and A1 (see Table
I). This feature provides the most flexibility by allowing the
user to change to the preferred input channel on the fly.
Additionally, the input channels can be cycled by utilizing the
continuous mode of the converter. This mode is easily enabled
by tying the CONTC pin high. In this mode, acquisition and
conversions will take place continually, cycling through all
four input channels without user intervention.
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