Section 5 Interrupt Controller
Rev. 3.00 Jan 25, 2006 page 75 of 872
REJ09B0286-0300
5.2
Input/Output Pins
Table 5.1 summarizes the pins of the interrupt controller.
Table 5.1
Pin Configuration
Symbol
I/O
Function
NMI
Input
Nonmaskable external interrupt
Rising edge or falling edge can be selected
IRQ15
to
IRQ0
ExIRQ15
to
ExIRQ2
Input
Maskable external interrupts
Rising edge, falling edge, or both edges, or level sensing, can
be selected individually for each pin. Pin of IRQn or ExIRQn to
input IRQ15 to IRQ2 interrupts can be selected.
KIN9
to
KIN0
Input
Maskable external interrupts
An interrupt is requested at falling edge.
WUE15
to
WUE8
Input
Maskable external interrupts
An interrupt is requested at falling edge.
5.3
Register Descriptions
The interrupt controller has the following registers. For details on the system control register
(SYSCR), see section 3.2.2, System Control Register (SYSCR), and for details on the IRQ sense
port select registers (ISSR16, ISSR), see section 9.11.1, IRQ Sense Port Select Register 16
(ISSR16), IRQ Sense Port Select Register (ISSR).
•
Interrupt control registers A to D (ICRA to ICRD)
•
Address break control register (ABRKCR)
•
Break address registers A to C (BARA to BARC)
•
IRQ sense control registers (ISCR16H, ISCR16L, ISCRH, ISCRL)
•
IRQ enable registers (IER16, IER)
•
IRQ status registers (ISR16, ISR)
•
Keyboard matrix interrupt mask registers (KMIMRA, KMIMR6)
•
Wake-up event interrupt mask registers (WUEMR3)
Содержание H8S/2158
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Страница 440: ...Section 15 Watchdog Timer WDT Rev 3 00 Jan 25 2006 page 386 of 872 REJ09B0286 0300...
Страница 606: ...Section 17 I 2 C Bus Interface IIC Rev 3 00 Jan 25 2006 page 552 of 872 REJ09B0286 0300...
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Страница 878: ...Section 28 List of Registers Rev 3 00 Jan 25 2006 page 824 of 872 REJ09B0286 0300...
Страница 926: ...Index Rev 3 00 Jan 25 2006 page 872 of 872 REJ09B0286 0300...