Texas Instruments VLYNQ Port manual Bit Field, Aoptdisable

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VLYNQ Port Registers

Table 8. Control Register (CTRL) Field Descriptions (continued)

Bit

Field

Value

Description

7

INT2CFG

 

Interrupt to configuration register. Determines which register is written with the status contained in

 

 

 

interrupt packets that are received over the serial interface. Always write 1 to this bit and configure

 

 

 

the interrupt pointer register to point to the interrupt pending/set register.

 

 

0

Bits[31:2] of the interrupt pointer register are used to point to a system interrupt register.

 

 

1

The least significant 8 bits of the interrupt pointer register are used to point to a VLYNQ module

 

 

 

local register (typically the interrupt pending/set register).

6-3

Reserved

0

Reserved. Always read as 0. Writes have no effect.

2

AOPTDISABLE

 

Address optimization disable.

 

 

0

Address optimization is enabled, eliminating unnecessary address bytes.

 

 

1

Address optimization is disabled.

1

ILOOP

 

Internal loop back.

 

 

0

Normal operation.

 

 

1

Serial transmit data is wrapped back to the serial receive data.

0

RESET

 

Software reset. It does not reset the VLYNQ MMR registers (except for the VLYNQ status register).

 

 

 

You have to reprogram the VLYNQ MMRs if they must have a different value after a software reset.

 

 

0

Normal operation.

 

 

1

All internal state machines are reset, the serial interface is disabled, and the link is lost.

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VLYNQ Port

SPRUE36A –September 2007

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Contents Users Guide Submit Documentation Feedback Contents Appendix B Appendix CList of Figures List of Tables Notational Conventions About This DocumentRelated Documentation From Texas Instruments Trademarks Introduction FeaturesPurpose of the Peripheral Functional Block Diagram Industry Standards Compliance StatementPeripheral Architecture Clock ControlSignal Descriptions Vlynq Port PinsPin Multiplexing Protocol DescriptionVlynq Functional Description Vlynq Module StructureWrite Operations TxSMRead Operations Serial Interface Width Configuration InitializationAuto-Negotiation Serial Interface WidthAddress Translation Address Translation Example Single Mapped Region Register DM644x Vlynq ModuleDM644x Vlynq Module Remote Vlynq ModuleFlow Control Example 1. Address Translation ExampleReset Considerations Software Reset ConsiderationsHardware Reset Considerations Interrupt SupportInterrupt Generation Mechanism Block Diagram Writes to Interrupt Pending/Set RegisterDMA Event Support Serial Bus Error InterruptsRemote Interrupts Power Management Emulation ConsiderationsVlynq Port Registers Vlynq Register Address SpaceVlynq Port Controller Registers Block Name Start Address End Address SizeRevision Register Revid Revision Register Revid Field DescriptionsRevmaj Revmin Bit Field Value DescriptionControl Register Ctrl Control Register Ctrl Field DescriptionsAoptdisable Bit FieldStatus Register Stat Status Register Stat Field DescriptionsNo error LerrorInterrupt Priority Vector Status/Clear Register Intpri Interrupt Status/Clear Register IntstatclrNointpend InstatInterrupt Pending/Set Register Intpendset Interrupt Pointer Register IntptrInterrupt Pointer Register Intptr Field Descriptions IntsetAddress Map Register XAM Field Descriptions Transmit Address Map Register XAMTxadrmap Receive Address Map Size 1 Register RAMS1 Receive Address Map Offset 1 Register RAMO1RXADRSIZE1 RXADROFFSET1Receive Address Map Size 2 Register RAMS2 Receive Address Map Offset 2 Register RAMO2RXADRSIZE2 RXADROFFSET2Receive Address Map Size 3 Register RAMS3 Receive Address Map Offset 3 Register RAMO3RXADRSIZE3 RXADROFFSET3Receive Address Map Size 4 Register RAMS4 Receive Address Map Offset 4 Register RAMO4RXADRSIZE4 RXADROFFSET4Chip Version Register Chipver Auto Negotiation Register AutngoChip Version Register Chipver Field Descriptions Auto Negotiation Register Autngo Field DescriptionsRemote Configuration Registers Vlynq Port Remote Controller RegistersAppendix a Vlynq Protocol Specifications Special 8b/10b Code GroupsSupported Ordered Sets Table A-1. Special 8b/10b Code GroupsFigure A-1. Packet Format 10-bit Symbol Representation Vlynq 2.0 Packet FormatField Value Description Vlynq 2.X Packets Vlynq 2.X Packets Appendix B Write/Read Performance Write PerformanceTable B-1. Scaling Factors Burst Size in 32-bit words Data BytesBurst Size Interface Running at 76.5 MHZ Bit Words Mbits/sec Mbytes/secRead Performance Table B-3. Relative Performance with Various LatenciesTable C-1. Document Revision History Appendix C Revision HistoryAdditions/Modifications/Deletions DSP Products ApplicationsRfid