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M38B53M4-059FP Datasheet(PDF) 85 Page - Mitsubishi Electric Semiconductor |
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M38B53M4-059FP Datasheet(HTML) 85 Page - Mitsubishi Electric Semiconductor |
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85 / 355 page  1-69 38B5 Group User’s Manual HARDWARE FUNCTIONAL DESCRIPTION SUPPLEMENT Interrupt 38B5 group permits interrupts on the basis of 21 sources. It is vector interrupts with a fixed priority system. Accordingly, when two or more interrupt requests occur during the same sampling, the Table 13 Interrupt sources, vector addresses and interrupt priority FUNCTIONAL DESCRIPTION SUPPLEMENT higher-priority interrupt is accepted first. This priority is determined by hardware, but various priority processing can be performed by software, using an interrupt enable bit and an interrupt disable flag. For interrupt sources, vector addresses and interrupt priority, refer to Table 13. Notes 1 : Vector addresses contain interrupt jump destination addresses. 2 : Reset function in the same way as an interrupt with the highest priority. 3 : In the mask option type P, timer 4 interrupt whose count source is CNTR1 input cannot be used. 4 : In the mask option type P, INT3 interrupt cannot be used. Interrupt source Reset (Note 2) INT0 INT1 INT2 Remote control/counter overflow Serial I/O1 Serial I/O1 automatic transfer Timer X Timer 1 Timer 2 Timer 3 Timer 4 Timer 5 Timer 6 Serial I/O2 receive INT3 Serial I/O2 transmit INT4 A-D conversion FLD blanking FLD digit BRK instruction Remarks Non-maskable External interrupt (active edge selectable) External interrupt (active edge selectable) External interrupt (active edge selectable) Valid when interrupt interval determination is operating Valid when serial I/O1 ordinary mode is selected Valid when serial I/O1 automatic transfer mode is selected STP release timer underflow (Note 3) External interrupt (active edge selectable) (Note 4) External interrupt (active edge selectable) Valid when INT4 interrupt is selected Valid when A-D conversion is selected Valid when FLD blanking interrupt is selected Valid when FLD digit interrupt is selected Non-maskable software interrupt Priority 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Vector Addresses (Note 1) High FFFD16 FFFB16 FFF916 FFF716 FFF516 FFF316 FFF116 FFEF16 FFED16 FFEB16 FFE916 FFE716 FFE516 FFE316 FFE116 FFDF16 FFDD16 Low FFFC16 FFFA16 FFF816 FFF616 FFF416 FFF216 FFF016 FFEE16 FFEC16 FFEA16 FFE816 FFE616 FFE416 FFE216 FFE016 FFDE16 FFDC16 |
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