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Sundance Spas ST201 User Manual

Page 64

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64

Sundance Technology

ST201

PRELIMINARY draft 2

INTENABLE

Class....................I/O Registers, Interrupt

Base Address ......IoBaseAddress register value

Address Offset .....0x4c

Access Mode .......Read/Write

Width ...................16 bits

Enables individual interrupts as specified in the IntStatus register. Setting a bit in IntEnable will allow the
specific source to generate an interrupt on the PCI bus. IntEnable is cleared upon reset. IntEnable is also
cleared by a read of IntStatusAck.

BIT

BIT NAME

BIT DESCRIPTION

0

Unused

This bit will be ignored.

1

EnHostError

Enables the HostError interrupt.

2

EnTxComplete

Enables the TxComplete interrupt.

3

EnMACControl-
Frame

Enables the MACControlFrame interrupt.

4

EnRxComplete

Enables the RxComplete interrupt.

5

EnRxEarly

Enables the RxEarly interrupt.

6

EnInRequested

Enables the InRequested interrupt.

7

EnUpdateStats

Enables the UpdateStats interrupt.

8

EnLinkEvent

Enables the LinkEvent interrupt.

9

EnTxDMACom-
plete

Enables the TxDMAComplete interrupt.

10

EnRxDMACom-
plete

Enables the RxDMAComplete interrupt.

15..11

Unused

These bits bill be ignored.