Revision 5.01 – November 30, 2005
S5335 – PCI Bus Controller, 3.3V
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 21. Interrupt Pin Register
7
0
6
0
5
0
4
3
0
1
0
2
Bit
0
X
X
X
Value
Pin Number
0 0 0 None
0 0 1 INTA#
0 1 0 INTB#
0 1 1 INTC#
1 0 0 INTD#
1 0 1 Reserved
1 1 X Reserved
Reserved
(allzeroes-RO)
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DS1657 52
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
