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SX8663 bảng dữ liệu(PDF) 54 Page - Semtech Corporation |
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SX8663 bảng dữ liệu(HTML) 54 Page - Semtech Corporation |
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54 / 64 page ![]() ADVANCED COMMUNICATIONS & SENSING Rev5 4 th August 2011 © 2011 Semtech Corp. www.semtech.com 54 SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer 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 Sensors 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 17 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 sensor event occurred (touch/close or release/far if enabled). CapStatKeys show the detailed status of the sensors. 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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