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XRT83SL216 Datasheet(PDF) 6 Page - Exar Corporation |
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XRT83SL216 Datasheet(HTML) 6 Page - Exar Corporation |
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6 / 42 page  XRT83SL216 4 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT REV. 1.0.0 PIN DESCRIPTIONS HOST MODE INTERFACE SERIAL MICROPROCESSOR INTERFACE NAME PIN TYPE DESCRIPTION CS J4 I Chip Select Input Active low signal. This signal enables the serial microprocessor interface by pulling chip select "Low". The serial interface is disabled when the chip select signal returns "High". SCLK J5 I Serial Clock Input The serial clock input samples SDI on the rising edge and updates SDO on the falling edge. See the Serial Microprocessor section of this datasheet for more details. SDI K5 I Serial Data Input The serial data input pin is used to supply an address and data string to pro- gram the internal registers within the device. See the Serial Microprocessor section of this datasheet for more details. SDO L5 O Serial Data Output The serial data output pin is used to retrieve the internal contents of a selected register in readback mode. See the Microprocessor section of this datasheet for more details. Reset J6 I Hardware Reset Input Active low signal. When this pin is pulled “Low” for more than 10µS, all internal registers and state machines are set to their default state. NOTE: Internally pulled "High" with 50k Ω. INT K4 O Interrupt Output Active low signal. This signal is asserted "Low" when a change in alarm status occurs. Once the status registers have been read, the interrupt pin will return "High". GIE (Global Interrupt Enable) must be set "High" in the appropriate global register to enable interrupt generation. NOTE: This pin is an open-drain output that requires an external 10K Ω pull-up resistor. |
Similar Part No. - XRT83SL216_06 |
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Similar Description - XRT83SL216_06 |
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