SAF-C164SM Infineon Technologies, SAF-C164SM Datasheet - Page 98
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SAF-C164SM
Manufacturer Part Number
SAF-C164SM
Description
16-Bit CMOS Microcontroller
Manufacturer
Infineon Technologies
Datasheet
1.SAF-C164SM.pdf
(470 pages)
- Current page: 98 of 470
- Download datasheet (6Mb)
Figure 5-1
The
programming of an interrupt control register.
Table 5-3
Priority Level
ILVL
1 1 1 1 1 1
1 1 1 1 1 0
1 1 1 0 1 0
1 1 0 1 1 0
0 0 0 1 1 1
0 0 0 1 0 0
0 0 0 0 X X
Note: Requests on levels 13 … 1 cannot initiate PEC transfers. They are always
User’s Manual
Interrupt
Control Register
PEC Control
Table 5-3
serviced by an interrupt service routine: no PECC register is associated and no
COUNT field is checked.
GLVL
Priority Levels and PEC Channels
Interrupt Priority Examples
shows in a few examples which action is executed with a given
CPU interrupt,
level 15, group priority 3
CPU interrupt,
level 15, group priority 2
CPU interrupt,
level 14, group priority 2
CPU interrupt,
level 13, group priority 2
CPU interrupt,
level 1, group priority 3
CPU interrupt,
level 1, group priority 0
No service!
COUNT = 00
H
ILVL
5-8
Type of Service
COUNT
PEC service,
channel 7
PEC service,
channel 6
PEC service,
channel 2
CPU interrupt,
level 13, group priority 2
CPU interrupt,
level 1, group priority 3
CPU interrupt,
level 1, group priority 0
No service!
Interrupt and Trap Functions
PEC Channel #
00
H
C164CM/C164SM
GLVL
Derivatives
V1.0, 2002-02
MCA04330
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