h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 125
h8s-2158
Manufacturer Part Number
h8s-2158
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2158.pdf
(927 pages)
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Section 5 Interrupt Controller
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, KIN, and WUE.
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-five 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 IRQ15 to IRQ0. An interrupt is requested at the falling edge for
KIN9 to KIN0 and WUE15 to WUE8.
DTC control
The DTC can be activated by an interrupt request.
Rev. 3.00 Jan 25, 2006 page 73 of 872
REJ09B0286-0300
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