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SX8661 bảng dữ liệu(PDF) 71 Page - Semtech Corporation |
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SX8661 bảng dữ liệu(HTML) 71 Page - Semtech Corporation |
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71 / 88 page ![]() ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision v3.2, January 2011 © 2011 Semtech Corp. www.semtech.com 71 SX8661 Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output 6.4 Status Registers Address Name Bits Description 7 Reserved 6 NVM burn interrupt flag 5 SPM write interrupt flag 4 Reserved 3 Reserved 2 Buttons/Proximity interrupt flag 1 Compensation interrupt flag 0x00 IrqSrc 0 Operating Mode interrupt flag 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. Table 28 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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