Emerson CC1000DM user manual Internal Arbiter Control Register

Page 36

3

P M C / P C I I N T E R F A C E

PMC Module Installation

Register 3-1:

The Internal Arbiter Control register is located at offset 50h. All bits are read/write.

Internal Arbiter Control Register

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

BPC

HPMHP

HPMLP

HPG	HPG	LPG	LPG
A	F	A	F

LPGF: Low Priority Group Fixed arbitration

1 Uses the fixed priority arbitration scheme

0 Uses the rotating priority arbitration scheme (default)

LPGA: Low Priority Group Arbitration order

This bit is only valid when the low priority arbitration group is set to a fixed arbitration scheme (relative to HPM).

1 Priority decreases in ascending numbers of the master

0 Priority increases in ascending numbers of the master (default)

HPGF: High Priority Group Fixed arbitration

1 Uses the fixed priority arbitration scheme

0 Uses the rotating priority arbitration scheme (default)

HPGA: High Priority Group Arbitration order

This bit is only valid when the high priority arbitration group is set to a fixed arbitra- tion scheme (relative to HPM).

1 Priority decreases in ascending numbers of the master

0 Priority increases in ascending numbers of the master (default)

HPMLP: Highest Priority Master in Low Priority group

This controls which master in the low priority group has the highest priority (only for fixed arbitration scheme).

0000 Master#0 has highest priority (default)

0001 Master#1 has highest priority to…

1001 PCI 6254 has highest priority

1010-1111 reserved

HPMHP: Highest Priority Master in High Priority group

This controls which master in the high priority group has the highest priority. It is valid only in the fixed arbitration scheme.

0000 Master#0 has highest priority (default)

0001 Master#1 has highest priority

3-4CC1000dm User’s Manual

10004281-02

Image 36

Contents CC1000dm Revision Level Principal Changes Date Regulatory Agency Warnings & Notices EC Declaration of Conformity Contents PCI Bridge Features PMC Module Installation Bridge EepromFigures G u r e s Tables Ta b l e s Registers G i s t e r s Overview N. .C.T.I.O. N. .A. L. . O. .V.E. R. .V.I.E.W Functional OverviewType Specification Product CertificationRoHS Compliance Terminology and Notation Technical ReferencesAdditional Information Device / Interface DocumentDocument 6CC1000dm User’s Manual 10004281-02 Setup Width DepthCC1000dm Circuit Board Component Map, Top revCC1000dm Circuit Board Identification Numbers Connectors Fuses and Jumpers Jumper/Header Locations, Top View CC1000dm Setup Multiple Option Selection JP3CC1000dm Setup Signal Name Bit SelectionSignal Name Pin SignalBit Selection Jumper Jumper Position ModeSelPower Requirements Environmental ConsiderationsOperational Checks Typical Current Voltage Range AmpsS. E. .T. .M. E. .T.H. O. .D.S Reset Methods Non-transparentTroubleshooting O. U. .B. L. E. .S.H. O. .O. T. I. N. .G14CC1000dm User’s Manual 10004281-02 PMC/PCI Interface PMC Module Installation Device MappingC / P C I I N T E R F a C E VoltsBase cPCI Interrupt Transparent Mode Assignment Secondary Timing InterruptsBase PCI Interrupt System controller modesInternal Arbiter Control Register CC1000dm Request/Grant Local PCI Bus Device I.D. G. .E. .E.E. P. .R.O. M Bridge EepromPCI 6254 Configuration Registers PCI 6254 Configuration Registers Power Management CSR38h Reserved Status PCI 6254 Bridge Mode PCI Identification ValuesVendor Device Subsystem ID hex PCI Bus Control Signals I. .B.U. S. . C. .O. N. .T.R. O. .L. .S.I.G. N. .A.L. SPCI Bus Control Signals PMC Connector Pin Assignments Pin J11 J12 J13 J14Pin J11 J13 J14 Pin J11 J12Pin J21 J23 J24 Pin J21 J22Pin J21 J22 J23 J24 Carrier Card BUS Interface O. C. .K. .G. E. .N. E. R. .A.T. I.O. .N Arbitration and Device SelectionHot Swap Model DescriptionImplementation Hot SwapCC1000dm Control Signals Signal DescriptionPin Row Z Row a Row B Row C Row D Row E Row F Backplane Connector Pin Assignments Pin Row Z Row a Row B Row C Row D Row ERow F Pin Row a Row B Row C Row D Row E Row FPin Row a Row B Row C Row D Row E Backplane Connector Pin Assignments 10CC1000dm User’s Manual 10004281-02 CPCI PrPMCO s s a r y Index D e Page W. a r t e s y n c p . c o m