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NUC240-LB3C Fiches technique(PDF) 53 Page - Nuvoton Technology Corporation |
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NUC240-LB3C Fiches technique(HTML) 53 Page - Nuvoton Technology Corporation |
53 / 107 page NUC100/120xxxDN Aug 31, 2015 Page 53 of 107 Rev 1.01 After chip enters power down, the following wake-up sources can wake chip up to normal mode. Wake-Up Source Wake-Up Condition System Can Enter Power-Down Mode Again Condition* BOD Brown-Out Detector Interrupt After software writes 1 to clear BOD_INTF (BODCR[4]). GPIO GPIO Interrupt After software write 1 to clear the ISRC[n] bit. TIMER Timer Interrupt After software writes 1 to clear TWF (TISRx[1]) and TIF (TISRx[0]). WDT WDT Interrupt After software writes 1 to clear WTWKF (WTCR[5]) (Write Protect). RTC Alarm Interrupt After software writes 1 to clear AIF (RIIR[0]). Time Tick Interrupt After software writes 1 to clear TIF (RIIR[1]). UART nCTS wake-up After software writes 1 to clear DCTSF (UA_MSR[0]). I 2C Addressing I 2C device After software writes 1 to clear WKUPIF (I2CWKUPSTS[0]). USB Remote Wake-up After software writes 1 to clear BUS_STS (USBD_INTSTS[0]). *User needs to wait this condition before setting PWR_DOWN_EN (PWRCON[7]) and execute WFI to enter Power-down mode. Table 6-4*User needs to wait this condition before setting PWR_DOWN_EN (PWRCON[7]) and execute WFI to enter Power- down mode. Table 6-4 lists the condition about how to enter Power-down mode again for each peripheral. Wake-Up Source Wake-Up Condition System Can Enter Power-Down Mode Again Condition* BOD Brown-Out Detector Interrupt After software writes 1 to clear BOD_INTF (BODCR[4]). GPIO GPIO Interrupt After software write 1 to clear the ISRC[n] bit. TIMER Timer Interrupt After software writes 1 to clear TWF (TISRx[1]) and TIF (TISRx[0]). WDT WDT Interrupt After software writes 1 to clear WTWKF (WTCR[5]) (Write Protect). RTC Alarm Interrupt After software writes 1 to clear AIF (RIIR[0]). Time Tick Interrupt After software writes 1 to clear TIF (RIIR[1]). UART nCTS wake-up After software writes 1 to clear DCTSF (UA_MSR[0]). I 2C Addressing I 2C device After software writes 1 to clear WKUPIF (I2CWKUPSTS[0]). USB Remote Wake-up After software writes 1 to clear BUS_STS (USBD_INTSTS[0]). *User needs to wait this condition before setting PWR_DOWN_EN (PWRCON[7]) and execute WFI to enter Power-down mode. Table 6-4 Condition of Entering Power-down Mode Again 6.2.4 System Power Distribution In this chip, the power distribution is divided into three segments. Analog power from AVDD and AVSS provides the power for analog components operation. Digital power from VDD and VSS supplies the power to the internal regulator which provides a fixed 1.8 V power for digital operation and I/O pins. |
Numéro de pièce similaire - NUC240-LB3C |
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Description similaire - NUC240-LB3C |
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