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XR21V1414 Datasheet(PDF) 8 Page - Exar Corporation |
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XR21V1414 Datasheet(HTML) 8 Page - Exar Corporation |
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8 / 32 page  XR21V1414 8 4-CH FULL-SPEED USB UART REV. 1.1.0 NOTE: Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain. Miscellaneous Signals LOWPOWER 2 O Low power status output. This pin will be asserted whenever the V1414 device is placed into the suspend state. This pin is sampled momentarily at power-up or at any USB bus reset to configure the polarity of the LOWPOWER output during suspend mode. An external (10K) pull-up resistor will cause the LOWPOWER pin to be asserted HIGH during suspend mode. An external (3.3K) pull-down resistor will cause the LOWPOWER pin to be asserted LOW during suspend mode. VCC 5, 18, 33, 44, 45 Pwr +3.3V power supply. (Note that all device inputs are 5V tolerant.) GND 1, 4, 19, 32, 40, 41 Pwr Power supply common, ground. Pin Description NAME 48-QFN PIN # TYPE DESCRIPTION |
Similar Part No. - XR21V1414_10 |
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Similar Description - XR21V1414_10 |
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