peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 177

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

For Example: S2, S3, S9 and S10 are programmed into the same priority group S2 will
Figure 2-48 Priority Unit - Block Diagram
Registers for Priority Assignment (IPAR)
Interrupt Priority Assignment Register 0 (IPAR0) Address 304
bit
IPAR0
Interrupt Priority Assignment Register 1 (IPAR1) Address 305
bit
IPAR1
Interrupt Priority Assignment Register 2 (IPAR2) Address 306
bit
IPAR2
S10 to S0
Interrupt DOC Address Base (IDOC) Address 300
bit
IDOC
Semiconductor Group
Source
Interrupt
Request
7
7
7
7
Interrupt Sources
‘11’ = highest priority group
‘10’ = second priority group
‘01’ = third priority group
‘00’ = lowest priority group
have highest priority.
0
Interrupt
S7
S3
Group
6
6
6
0
5
5
5
0
Interrupts
Placed
by the
Group
S10
S6
S2
4
4
4
2-131
4
0
3
3
3
3
H
, Read and Write
DOC Interrupt Address Base
Manager
Priority
Functional Block Description
S5
S9
S1
2
2
2
H
H
H
, Read and Write
, Read and Write
, Read and Write
1
1
1
IREQ
Source No
ITB10102
PEB 20560
S0
S4
S8
0
0
0
0
2003-08