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HT68F13 Datasheet(PDF) 113 Page - Holtek Semiconductor Inc |
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HT68F13 Datasheet(HTML) 113 Page - Holtek Semiconductor Inc |
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113 / 161 page  If an interrupt requires immediate servicing while the program is already in another interrupt service routine, the EMI bit should be set after entering the routine, to allow interrupt nesting. If the stack is full, the interrupt request will not be acknowledged, even if the related interrupt is enabled, until the Stack Pointer is decremented. If immediate service is desired, the stack must be prevented from becoming full. In case of simultaneous requests, the accompanying diagram shows the priority that is applied. All of the interrupt request flags when set will wake-up the device if it is in SLEEP or IDLE Mode, however to prevent a wake-up from occurring the corresponding flag should be set before the device is in SLEEP or IDLE Mode. Rev.1.10 113 February9,2011 HT68F13/HT68F14/HT68F15 EnhancedI/OFlashTypeMCU INT0 Pin INT1 Pin INT0F INT1F INT0E INT1E EMI 04H EMI 08H TM1 P T1PF T1PE EMI 0CH TM1 A T1AF T1AE EMI 10H Time Base TBF TBE EMI 18H LVD LVF LVE EMI 1CH Interrupt Name Request Flags Enable Bits Master Enable Vector EMI auto disabled in ISR Low xxE Enable Bits xxF Request Flag, auto reset in ISR Legend Priority High InterruptStructure - HT68F13 INT0 Pin INT1 Pin INT0F INT1F INT0E INT1E EMI 04H EMI 08H M. Funct. 0 MF0F MF0E EMI 0CH EMI 10H Time Base TBF TBE EMI 18H LVD LVF LVE EMI 1CH Interrupt Name Request Flags Enable Bits Master Enable Vector EMI auto disabled in ISR Priority High Low TM1 P T1PF T1PE TM1 A T1AF T1AE M. Funct. 1 MF1F MF1E TM0 P T0PF T0PE TM0 A T0AF T0AE Interrupts contained within Multi-Function Interrupts xxE Enable Bits xxF Request Flag, auto reset in ISR Legend xxF Request Flag, no auto reset in ISR InterruptStructure - HT68F14 |
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