Revision 5.03 – June 14, 2006
S5320 – PCI Match Maker
Data Sheet
TABLE OF CONTENTS
FEATURES .............................................................................................................................................................. 3
APPLICATIONS ...................................................................................................................................................... 3
ARCHITECTURAL OVERVIEW .............................................................................................................................. 3
ARCHITECTURAL OVERVIEW S5320 ................................................................................................................. 15
S5320 REGISTER ARCHITECTURE .................................................................................................................... 15
PCI Configuration Registers ............................................................................................................................ 15
PCI Bus Accessible Registers ......................................................................................................................... 15
Add-On Bus Accessible Registers ................................................................................................................... 15
SERIAL NON-VOLATILE INTERFACE ................................................................................................................ 15
MAILBOX OPERATION ........................................................................................................................................ 17
PASS-THRU OPERATION .................................................................................................................................... 17
PCI BUS SIGNALS ............................................................................................................................................... 21
ADD-ON BUS AND S5320 CONTROL SIGNALS ................................................................................................ 23
USER ADD-ON BUS PIN DESCRIPTIONS .......................................................................................................... 24
PCI CONFIGURATIONS REGISTERS .................................................................................................................. 29
Vendor Identification Register (VID) ................................................................................................................ 29
Device Identification Register (DID) ................................................................................................................ 30
PCI Command Register (PCICMD) ................................................................................................................. 31
PCI Status Register (PCISTS) ......................................................................................................................... 33
Revision Identification Register (RID) .............................................................................................................. 35
Class Code Register (CLCD) .......................................................................................................................... 36
Cache Line Size Register (CALN) ................................................................................................................... 41
Latency Timer Register (LAT) ......................................................................................................................... 42
Header Type Register (HDR) .......................................................................................................................... 43
Built-In Self-Test Register (BIST) .................................................................................................................... 44
Base Address Register (BADR) ...................................................................................................................... 45
Determining Base Address Size ...................................................................................................................... 45
Assigning the Base Address ............................................................................................................................ 45
Subsystem Vendor Identification Register (SVID) ........................................................................................... 50
Subsystem ID Register (SID) .......................................................................................................................... 51
Expansion ROM Base Address Register (XROM) .......................................................................................... 52
Interrupt Line Register (INTLN) ....................................................................................................................... 54
Interrupt Pin Register (INTPIN) ...................................................................................................................... 55
Minimum Grant Register (MINGNT) ................................................................................................................ 56
Maximum Latency Register (MAXLAT) ........................................................................................................... 57
OPERATION REGISTERS .................................................................................................................................... 59
PCI BUS OPERATION REGISTERS .................................................................................................................... 59
PCI Outgoing Mailbox Register (OMB) ............................................................................................................ 60
PCI Incoming Mailbox Register (IMB) ............................................................................................................. 61
PCI Mailbox Empty/full Status Register (MBEF) ............................................................................................. 62
PCI Interrupt Control/Status Register (INTCSR) ............................................................................................. 63
PCI Reset Control Register (RCR) .................................................................................................................. 65
PCI Pass-Thru Configuration Register (PTCR) ............................................................................................... 67
ADD-ON BUS OPERATION REGISTERS ............................................................................................................ 69
AMCC Confidential and Proprietary
DS1656
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