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PC87364 Datasheet(PDF) 84 Page - National Semiconductor (TI) |
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PC87364 Datasheet(HTML) 84 Page - National Semiconductor (TI) |
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84 / 180 page ![]() 3.0 System Wake-Up Control (SWC) (Continued) 82 www.national.com 3.4.2 Wake-Up Events Status Register 0 (WK_STS0) This register is set to 00h on power-up of VPP, VSB or software reset. It indicates which of the corresponding eight wake-up events have occurred. Writing 1 to a bit clears it to 0. Writing 0 has no effect. Bit 6 of this register has a special type, as described in the table below. Location: Offset 00h Type: R/W1C Bit 76543210 Name Module IRQ Event Status Software Event Status GPIO Event Status CEIR Event Status Mouse Event Status KBD Event Status RI2 Event Status RI1 Event Status Reset 00000000 Bit Description 7 Module IRQ Event Status. This sticky bit shows the status of the module IRQ event detection. 0: Event not active (default) 1: Event active 6 Software Event Status. Writing 1 to this bit inverts its value. 0: Event not active (default) 1: Event active 5 GPIO Event Status. This sticky bit shows the status of the VDD GPIO event detection. 0: Event not detected (default) 1: Event detected 4 CEIR Event Status 0: Event not detected (default) 1: Event detected 3 Mouse Event Status 0: Event not detected (default) 1: Event detected 2 KBD Event Status 0: Event not detected (default) 1: Event detected 1 RI2 Event Status 0: Event not detected (default) 1: Event detected 0 RI1 Event Status 0: Event not detected (default) 1: Event detected |
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