TC1920 Datasheet, PDF (23/78 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1920
Preliminary
Interrupt System
• Flexible interrupt prioritizing scheme with 256 interrupt priority levels
• Fast interrupt response
• Service requests are serviced by the CPU or by the PCP (two independent interrupt
buses, that can be selected by each interrupt source)
PCP Interrupt
Arbitration Bus
Module A
M odule
Kernel
n Service
Request
Nodes
Module B
M odule
Kernel
n Service
Request
Nodes
Module C
M odule
Kernel
n Service
Request
Nodes
CPU Interrupt
Arbitration Bus
PCP Interrupt Control
PCP
Interrupt
C o n tro l
U n it
(P IC U )
PCP
Kernel
12 Service ₁₂
Request
Nodes
M ain Interrupt Control
CPU
Interrupt
C o n tro l
U n it
(IC U )
4 Service 4
Request
Nodes
CPU
Core
Figure 5 Block Diagram Interrupt System
Data Sheet
19
V 1.3, 2003-10