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STR720 数据表(PDF) 77 Page - STMicroelectronics |
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STR720 数据表(HTML) 77 Page - STMicroelectronics |
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77 / 401 page ![]() STR720 - WAKE-UP INTERRUPT UNIT (WIU) 77/401 Wake-up Trigger Register (WUTR) Address Offset: 08h Reset value: 0000h Bit 15:0 = WUT[15:0]: Wake-Up Trigger Polarity bits The WUTx bits can be set and cleared by software to select the triggering edge. 0: The corresponding WUPx pending bit will be set upon the falling edge of the input wake-up line. 1: The corresponding WUPx pending bit will be set upon the rising edge of the input wake-up line. WARNING 1 As the external wake-up lines are edge triggered, no glitches must be generated on these lines. 2 If either a rising or a falling edge on external wake-up lines occurs during writing of WUTR register, the pending bit will not be set. 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 WUT15 WUT14 WUT13 WUT12 WUT11 WUT10 WUT9 WUT8 WUT7 WUT6 WUT5 WUT4 WUT3 WUT2 WUT1 WUT0 rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw 1 |
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