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Appendix
User's
Manual
BAB
740
7—4
7.1.3 Interrupt Controller
Figure 6: BAB 740 Interrupt Diagram
PowerPC
INT SMI
VME
IDE #0
IDE #1
Timer #0
Timer #1
Timer #2
INT 0
INT OUT
W83C553
PCI
INT A INT B INT C INT D
Super I/O
(PC97307)
...........
INT 1; 3..12; 14; 15
INT 9
INT 5
PMC #1
ESCC
(Z85230)
RTC
(MK48T59)
PMC #2
SCSI
Network
VME
This diagram shows how the on-board interrupt sources are
connected to the interrupt controller, located logically in the
W83C553 chip. This chip then prioritizes and drives the two CPU
interrupt inputs. The priority scheme used is shown below:
Содержание BAB 740
Страница 1: ...BAB 740 Basic Automation Board with PowerPC 740 manual Revision 2C...
Страница 11: ...User s Manual Table of Contents BAB 740 V 7 1 9 PCI IDSEL 7 9 7 2 Factory settable Jumpers 7 9...
Страница 16: ...Table of Contents User s Manual BAB 740 X...
Страница 22: ...Specification Specification User s Manual BAB 740 1 6...
Страница 42: ...Connector Assignments User s Manual BAB 740 3 16 Connector Assignments...
Страница 50: ...Board Parameters Board Parameters User s Manual BAB 740 4 8...
Страница 60: ...Booting Booting User s Manual BAB 740 6 4...
Страница 74: ...NOTES...