Revision 5.03 – June 14, 2006
S5320 – PCI Match Maker: PCI Configuration Registers
Data Sheet
Interrupt Pin Register (INTPIN)
This register identifies which PCI interrupt, if any, is
connected to the controller’s PCI interrupt pins. The
allowable values are 0 (no interrupts), 1 (INTA#), 2
(INTB#), 3 (INTC#), and 4 (INTD#). The default power-
up value assumes INTA#.
Interrupt Pin
Register Name:
Address Offset:
Power-up value:
Boot-load:
3Dh
01h
External nvRAM offset 7Dh
Read Only
Attribute:
8 bits
Size:
Figure 22. Interrupt Pin Register
Bit
7
3
2
1
0
Value
00h
X
X
X
Pin Number
000 None
001 INTA#
010 INTB#
011 INTC#
100 INTD#
101 Reserved
11X Reserved
Reserved
(All Zeros - RO)
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DS1656
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