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CS61305A-IP1 Datasheet(PDF) 20 Page - Cirrus Logic |
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CS61305A-IP1 Datasheet(HTML) 20 Page - Cirrus Logic |
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20 / 44 page  Power Supplies RGND - Ground, Pin 22. Power supply ground for all subcircuits except the transmit driver; typically 0 Volts. RV+ - Power Supply, Pin 21. Power supply for all subcircuits except the transmit driver; typically +5 Volts. TGND - Ground, Transmit Driver, Pin 14. Power supply ground for the transmit driver; typically 0 Volts. TV+ - Power Supply, Transmit Driver, Pin 15. Power supply for the transmit driver; typically +5 Volts. TV+ must not exceed RV+ by more than 0.3 V. Oscillator XTALIN, XTALOUT - Crystal Connections, Pins 9 and 10. A 6.176 MHz (T1 operation) or 8.192 MHz (E1 operation) crystal should be connected across these pins. Overdriving the oscillator with an external clock is not supported. Control ACLKI - Alternate External Clock Input, Pin 1. A 1.544 MHz or 2.048 MHz clock signal may be input on ACLKI to calibrate the clock recovery circuit and control the transmit clock during TAOS. If a clock is not provided on ACLKI, this input must be grounded, and the oscillator in the jitter attenuator is used to calibrate the clock recovery circuit and TAOS is not available. ACLKI may not be provided by RCLK. CLKE - Clock Edge, Pin 28. (Host Mode) Setting CLKE to logic 1 causes RPOS and RNEG to be valid on the falling edge of RCLK, and SDO to be valid on the rising edge of SCLK. Conversely, setting CLKE to logic 0 causes RPOS and RNEG to be valid on the rising edge of RCLK, and SDO to be valid on the falling edge of SCLK. CS - Chip Select, Pin 26. (Host Mode) This pin must transition from high to low to read or write the serial port. INT - Receive Alarm Interrupt, Pin 23. (Host Mode) Goes low when LOS or DPM change state to flag the host processor. INT is cleared by writing "clear LOS" or "clear DPM" to the register. INT is an open drain output and should be tied to the power supply through a resistor (47k - 100k). CS61305A 20 DS157PP3 |
Similar Part No. - CS61305A-IP1 |
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Similar Description - CS61305A-IP1 |
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