watterman

Member Since: September 10, 2011

Country: United States

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C/C++

  • Product CEL-10138 | about 2 years ago

    Is it essential that CTS/DSR are both pulled high before power is applied? Is it sufficient if they are pulled high from the same supply voltage, therefore only pulled high as power is applied???

    I am tossing up between the ADH8066 and the SM5100B, prefer the ADH8066 as it has sim on-board which means less discrete components and less board space, however I have already used the SM5100B successfully and it didn’t seem to care about logic levels on pins before power was applied.

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