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S5335 Datasheet(PDF) 77 Page - Applied Micro Circuits Corporation

Part # S5335
Description  PCI Bus Controller, 3.3V
PDF  189 Pages
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Manufacturer  AMCC [Applied Micro Circuits Corporation]
Direct Link  http://www.amcc.com
Logo AMCC - Applied Micro Circuits Corporation

S5335 Datasheet(HTML) 77 Page - Applied Micro Circuits Corporation

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S5335 – PCI Bus Controller, 3.3V
Revision 5.01 – November 30, 2005
AMCC Confidential and Proprietary
DS1657
77
Data Sheet
Add-On Interrupt Control/status Register (AINT)
This register provides the method for choosing which
conditions are to produce an interrupt on the Add-On
bus interface, a method for viewing the cause for the
interrupt, and a method for acknowledging (removing)
the interrupt’s assertion.
Interrupt sources:
•
One of the Incoming mailboxes (1,2,3 or 4)
becomes full.
•
One of the Outgoing mailboxes (1,2,3 or 4)
becomes empty.
•
Built-in self test issued.
•
Write Transfer Count = zero
•
Read Transfer Count = zero
•
Target/Master Abort
Figure 35. Add-On Interrupt Control/Status Register
Register Name:
Add-On Interrupt Control and
Status
Add-On Address Offset:
38h
Power-up value:
00000000h
Attribute:
Read/Write, Read/
Write_One_Clear
Size:
32 bits
31
24 23
201918
21
17
12
8
4
0 Bit
Value
D4-D0 Incoming Mailbox
(Becomes Full)
D4=Enable Interrrupt
D3-D2=Mailbox #
0 0=Mailbox 1
0 1=Mailbox 2
1 0=Mailbox 3
1 1=Mailbox 4
D0-D1=Byte #
0 0=Byte 0
0 1=Byte 1
1 0=Byte 2
1 1=Byte 3
D12-D8 Outgoing Mailbox (R/W)
(Goes empty)
D12=Enable Interrupt
D11-D10=Mailbox
0 0=Mailbox 1
0 1=Mailbox 2
1 0=Mailbox 3
1 1=Mailbox 4
D9-D8=Byte #
0 0=Byte 0
0 1=Byte 1
1 0=Byte 2
1 1=Byte 3
16 1514
0 0 0 0 0 0 0 0
0
0
Interrupt Asserted (RO)
Bus Mastering
Error Interrupt (R/WC)
BIST (R/WC)
Read Transfer
Complete (R/WC)
Write Transfer
Complete (R/WC)
Interrupt on Read
Transfer Complete
Outgoing Mailbox
Interrupt (R/WC)
Incoming Mailbox
Interrupt (R/WC)
0 0 0
Interrupt Source (R/W)
Enable & Selection
Interrupt on Write
Transfer Complete
Interrupt Status
Interrupt Selection



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