
PCI 9080
TABLE OF CONTENTS
PLX Technology, Inc., 1997
Page viii
Version 1.01
4.6.7
(DMAPADR1; PCI:98h, LOC:118h) DMA Channel 1 PCI Address Register.....................................................................81
4.6.8
(DMALADR1; PCI:9Ch, LOC:11Ch) DMA Channel 1 Local Address Register .................................................................81
4.6.9
(DMASIZ1; PCI:A0h, LOC:120h) DMA Channel 1 Transfer Size (Bytes) Register...........................................................81
4.6.10
(DMADPR1; PCI:A4h, LOC:124h) DMA Channel 1 Descriptor Pointer Register..............................................................81
4.6.11
(DMACSR0; PCI:A8h, LOC:128h) DMA Channel 0 Command/Status Register...............................................................82
4.6.12
(DMACSR1; PCI:A9h, LOC:129h) DMA Channel 1 Command/Status Register...............................................................82
4.6.13
(DMAARB; PCI:ACh, LOC:12Ch) DMA Arbitration Register.............................................................................................82
4.6.14
(DMATHR; PCI:B0h, LOC:130h) DMA Threshold Register ..............................................................................................83
4.7
MESSAGING QUEUE REGISTERS.......................................................................................................................84
4.7.1
(OPLFIS; PCI:30h, LOC:B0) Outbound Post List FIFO Interrupt Status Register.............................................................84
4.7.2
(OPLFIM; PCI:34h, LOC:B4) Outbound Post List FIFO Interrupt Mask Register..............................................................84
4.7.3
(IQP; PCI:40h) Inbound Queue Port Register...................................................................................................................84
4.7.4
(OQP; PCI:44h) Outbound Queue Port Register..............................................................................................................85
4.7.5
(MQCR; PCI:C0h, LOC:140h) Messaging Queue Configuration Register........................................................................85
4.7.6
(QBAR; PCI:C4h, LOC:144h) Queue Base Address Register..........................................................................................85
4.7.7
(IFHPR; PCI:C8h, LOC:148h) Inbound Free Head Pointer Register ................................................................................86
4.7.8
(IFTPR; PCI:CCh, LOC:14Ch) Inbound Free Tail Pointer Register ..................................................................................86
4.7.9
(IPHPR; PCI:D0h, LOC:150h) Inbound Post Head Pointer Register ................................................................................86
4.7.10
(IPTPR; PCI:D4h, LOC:154h) Inbound Post Tail Pointer Register....................................................................................86
4.7.11
(OFHPR; PCI:D8h, LOC:158h) Outbound Free Head Pointer Register............................................................................87
4.7.12
(OFTPR; PCI:DCh, LOC:15Ch) Outbound Free Tail Pointer Register..............................................................................87
4.7.13
(OPHPR; PCI:E0h, LOC:160h) Outbound Post Head Pointer Register............................................................................87
4.7.14
(OPTPR; PCI:E4h, LOC:164h) Outbound Post Tail Pointer Register...............................................................................87
4.7.15
(QSR; PCI:E8h, LOC:168h) Queue Status/Control Register ............................................................................................88
5.
PIN DESCRIPTION........................................................................................................................................................89
5.1
PIN SUMMARY.......................................................................................................................................................89
5.2
PIN OUT COMMON TO ALL BUS MODES............................................................................................................90
5.3
C BUS MODE PIN OUT..........................................................................................................................................94
5.4
J BUS MODE PIN OUT...........................................................................................................................................96
5.5
S BUS MODE PIN OUT..........................................................................................................................................98
6.
ELECTRICAL SPECIFICATIONS................................................................................................................................100
7.
PACKAGE, SIGNAL, AND PIN OUT SPECS............................................................................................................103
7.1
PACKAGE MECHANICAL DIMENSIONS ............................................................................................................103
7.2
TYPICAL PCI BUS MASTER ADAPTER..............................................................................................................104
7.3
9080 PIN OUT (S, J, AND C MODES)..................................................................................................................105