HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 125
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 5 Interrupt Controller
5.1
Features
Two interrupt control modes
Any of two interrupt control modes can be set by means of the INTM1 and INTM0 bits in the
system control register (SYSCR).
Priorities settable with ICR
An interrupt control register (ICR) is provided for setting interrupt priorities. Three priority
levels can be set for each module for all interrupts except NMI and address break.
Independent vector addresses
All interrupt sources are assigned independent vector addresses, making it unnecessary for the
source to be identified in the interrupt handling routine.
Thirty-one external interrupts
NMI is the highest-priority interrupt, and is accepted at all times. Rising edge or falling edge
detection can be selected for NMI. Falling-edge, rising-edge, or both-edge detection, or level
sensing, can be selected for ,54: to ,543. The IRQ6 interrupt is shared by the interrupt from
the ,549 pin and eight external interrupt inputs (.,1: to .,13), and the IRQ7 interrupt is
shared by the interrupt from the ,54: pin and sixteen external interrupt inputs (.,148 to
.,1; and :8(: to :8(3). .,148 to .,13 and :8(: to :8(3 can be masked
individually by the user program.
DTC control
The DTC can be activated by an interrupt request.
Rev. 2.0, 08/02, page 85 of 788
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