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Cirrus Logic EP93xx User Manual

Page 707

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DS785UM1

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Copyright 2007 Cirrus Logic

AC’97 Controller

EP93xx User’s Guide

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2

2

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22

AC97GIS

Address:

0x8088_0090 - Read Only

Definition:

Global Interrupt Status. The AC97GIS register is the global interrupt status
register. All bits are cleared to zero on reset. Each bit is the logical AND of the
corresponding bits in the AC97RGIS register and the AC97IM register.

Bit Descriptions:

RSVD:

Reserved. Unknown During Read.

SLOT2TXCOMPLETE:If this bit is set to “1”, the SLOT2TXCOMPLETE

interrupt is asserted.

CODECREADY:

This bit is set to “1” during a wakeup when the codec

indicates that it is ready by setting bit 15 of Slot0

WINT:

Wake-up Interrupt Status: If this bit is set to “1”, the Wake-

up Interrupt is asserted.

GPIOINT:

GPIO Interrupt Status: If this bit is set to “1”, the GPIOINT

interrupt is asserted.

GPIOTXCOMPLETE:If this bit is set to “1”, the GPIOTXCOMPLETE interrupt

is asserted.

SLOT2RXVALID: If this bit is set to “1”, SLOT2RXVALID interrupt is

asserted.

SLOT1TXCOMPLETE:If this bit is set to “1”, SLOT1TXCOMPLETE interrupt is

asserted.

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

RSVD

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

RSVD

SLOT2TX

COMPLETE

CODEC
READY

WINT

GPIO

INT

GPIOTX

COMPLETE

SLOT2R

XVALID

SLOT1TX

COMPLETE