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SX8661Z датащи(PDF) 69 Page - Semtech Corporation |
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SX8661Z датащи(HTML) 69 Page - Semtech Corporation |
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69 / 87 page ![]() ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision v4.0, February 2016 © 2012 Semtech Corp. www.semtech.com 69 SX8661Z Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output 6.4 Status Registers Address Name Bits Description 0x00 IrqSrc 7 Reserved Interrupt source flags 0: Inactive (default) 1: Active INTB goes low if any of these bits is set. More than one bit can be set. Reading IrqSrc clears it together with INTB. 6 NVM burn interrupt flag 5 SPM write interrupt flag 4 Reserved 3 Reserved 2 Buttons/Proximity interrupt flag 1 Compensation interrupt flag 0 Operating Mode interrupt flag Table 27 Interrupt Source The delay between the actual event and the flags indicating the interrupt source may be one scan period. IrqSrc[6] is set once NVM burn procedure is completed. IrqSrc[5] is set once SPM write is effective. IrqSrc[2] is set if a Button/Proximity event occurred (touch or release if enabled). CapStatLsb show the detailed status of the Buttons. IrqSrc[1] is set once compensation procedure is completed either through automatic trigger or via host request. IrqSrc[0] is set when actually entering Active or Doze mode via host request. CompOpmode shows the current operation mode. |
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