Section 5 Interrupt Controller
Rev. 3.00 Jan 25, 2006 page 86 of 872
REJ09B0286-0300
KINn interrupt request
S
R
Q
Clear signal
Falling-edge
detection circuit
KMIMn
Note: n = 9 to 0
KINn
input
Figure 5.3 Block Diagram of Interrupts KIN9 to KIN0 and WUE15 to WUE8
(Example of KIN9 to KIN0)
5.4.2
Internal Interrupts
Internal interrupts issued from the on-chip peripheral modules have the following features:
•
For each on-chip peripheral module there are flags that indicate the interrupt request status,
and enable bits that individually select enabling or disabling of these interrupts. When the
enable bit for a particular interrupt source is set to 1, an interrupt request is sent to the interrupt
controller.
•
The control level for each interrupt can be set by ICR.
•
The DTC can be activated by an interrupt request from an on-chip peripheral module.
•
An interrupt request that activates the DTC is not affected by the interrupt control mode or the
status of the CPU interrupt mask bits.
5.5
Interrupt Exception Handling Vector Table
Table 5.3 lists interrupt exception handling sources, vector addresses, and interrupt priorities. For
default priorities, the lower the vector number, the higher the priority. Modules set at the same
priority will conform to their default priorities. Priorities within a module are fixed.
An interrupt control level can be specified for a module to which an ICR bit is assigned. Interrupt
requests from modules that are set to interrupt control level 1 (priority) by the ICR bit setting and
the I and UI bits in CCR are given priority and processed before interrupt requests from modules
that are set to interrupt control level 0 (no priority).
Содержание H8S/2158
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Страница 126: ...Section 4 Exception Handling Rev 3 00 Jan 25 2006 page 72 of 872 REJ09B0286 0300...
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Страница 326: ...Section 10 8 Bit PWM Timer PWM Rev 3 00 Jan 25 2006 page 272 of 872 REJ09B0286 0300...
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...
Страница 742: ...Section 19 Multimedia Card Interface MCIF Rev 3 00 Jan 25 2006 page 688 of 872 REJ09B0286 0300...
Страница 744: ...Section 20 Encryption Operation Circuit DES and GF Rev 3 00 Jan 25 2006 page 690 of 872 REJ09B0286 0300...
Страница 750: ...Section 21 D A Converter Rev 3 00 Jan 25 2006 page 696 of 872 REJ09B0286 0300...
Страница 768: ...Section 22 A D Converter Rev 3 00 Jan 25 2006 page 714 of 872 REJ09B0286 0300...
Страница 770: ...Section 23 RAM Rev 3 00 Jan 25 2006 page 716 of 872 REJ09B0286 0300...
Страница 824: ...Section 26 Clock Pulse Generator Rev 3 00 Jan 25 2006 page 770 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...