R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 126
R5F61525
Manufacturer Part Number
R5F61525
Description
32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F61525.pdf
(846 pages)
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Section 5 Interrupt Controller
A block diagram of the interrupt controller is shown in figure 5.1.
5.2
Table 5.1 shows the pin configuration of the interrupt controller.
Table 5.1
Rev. 3.00 Mar. 14, 2006 Page 88 of 804
REJ09B0104-0300
Name
NMI
IRQ14 to IRQ0
Internal interrupt sources
WOVI to SSTXI2
Input/Output Pins
NMI input
IRQ input
Pin Configuration
[Legend]
INTCR:
CPUPCR:
ISCR:
IER:
Input
Input
I/O
Figure 5.1 Block Diagram of Interrupt Controller
Interrupt control register
CPU priority control register
IRQ sense control register
IRQ enable register
INTCR
IRQ input unit
ISCR
Source selecter
NMIEG
NMI input unit
Function
Nonmaskable External Interrupt
Rising or falling edge can be selected.
Maskable External Interrupts
Rising, falling, or both edges, or level sensing, can be selected.
IER
INTM1, INTM0
Interrupt controller
SSIER
ISR
ISR:
SSIER:
IPR:
decision unit
CPUPCR
Priority
IRQ status register
Software standby release IRQ enable register
Interrupt priority register
IPR
interrupt request
activation
vector
I2 to I0
CPU
CPU
enable
DMAC
I
DMAC priority
control
DMAC
CPU
DMDR
CCR
EXR
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