r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 302
r8a77850anbg
Manufacturer Part Number
r8a77850anbg
Description
Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R8A77850ANBG.pdf
(1692 pages)
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10. Interrupt Controller (INTC)
10.2
Table 10.2 shows the pin configuration.
Table 10.2 INTC Pin Configuration
Rev.1.00 Jan. 10, 2008 Page 272 of 1658
REJ09B0261-0100
Pin Name
NMI
IRQ/IRL7 to
IRQ/IRL0
IRQOUT
Input/Output Pins
Function
Nonmaskable
interrupt
input pin
External
interrupt
input pins
Interrupt
request
output pin
I/O
Input
Input
Output Informs an external device of the generation of an interrupt
Description
Nonmaskable interrupt request signal input
Interrupt request signal input of IRQ7 to IRQ0 or IRL[7:4]
and IRL[3:0]
The IRQ/IRL7 pin is multiplexed with FD7 (FLCTL I/O),
MODE3 (mode control input), and port L1 (GPIO I/O) pin,
the IRQ/IRL6 pin is multiplexed with FD6 (FLCTL I/O),
MODE2 (mode control input), and port L2 (GPIO I/O) pin,
the IRQ/IRL5 pin is multiplexed with FD5 (FLCTL I/O),
MODE1 (mode control input), and port L3 (GPIO I/O) pin,
and the IRQ/IRL4 pin is multiplexed with FD4 (FLCTL I/O),
MODE3 (mode control input), and port L4 (GPIO I/O) pin.
request.
The IRQOUT pin is multiplexed with MRESETOUT (reset,
watchdog timer (WDT) output pin).
IRQOUT outputs the low level even if the interrupt request is
not accepted by the CPU because of the priority of a
generated interrupt request being lower than SR.IMASK.
However, IRQOUT is not asserted in the following cases:
(1) IRL interrupt
•
•
(2) IRQ interrupt
•
•
(3) On-chip module interrupt
•
•
The IRL interrupt is masked by INTMASK1, or
The IRQ interrupt is masked by INTMASK2.
The interrupt is masked by INTMASK1, or
The priority of the IRQ interrupt is set to H'0 by INTPRI
The on-chip module interrupt is masked by INT2MSKR,
or
The priority is set to H'00 or H'01 by INT2PRI0 to
INT2PRI9.
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