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Register bit assignment, Table 282: cardbus socket present state register – Digi NS9750 User Manual

Page 473

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P C I - t o - A H B B r i d g e

Register bit assignment

Bits

Access

Mnemonic

Reset

Description

D31

R

YV_SKT

0

When set, indicates that

VCC=Y.Y

volts can be

supplied to the socket.

D30

R

XV_SKT

0

When set, indicates that

VCC=X.X

volts can be

supplied to the socket.

D29

R

V3_SKT

0

When set, indicates that

VCC=3.3

volts can be

supplied to the socket.

D28

R

V5_SKT

0

When set, this bit indicates that

VCC=5

volts can be

supplied to the socket.

D27

Hard-wired
to 0

ZV_SUPPORT

0

Zoomed video support

Always set to 0, as NS9750 does not support this bit.

D26:14

Hard-wired
to 0

Reserved

N/A

N/A

D13

R

YV_CARD

0

When set, indicates that the card inserted into the
socket supports

VCC=Y.Y

volts.

This bit can also be set by writing a 1 to the
FYV_CARD bit in the CardBus Socket Force Event
register.

D12

R

XV_CARD

0

When set, indicates that the card inserted into the
socket supports

VCC=X.X

volts.

This bit can also be set by writing a 1 to the
FXV_CARD in the CardBus Socket Fore Event
register.

Table 282: Cardbus Socket Present State register

Reserved

BAD_

VCC_

REQ

DATA_

LOST

NOTA_

CARD

CINT

CB_

CARD

CARD_

16

PWR_

CYC

CCD2 CCD1

CSTS

CHG

13

12

11

10

9

8

7

6

5

4

3

2

1

0

15

14

31

29

28

27

26

25

24

23

22

21

20

19

18

17

16

30

V3_

SKT

V5_

SKT

ZV_

SUPP

YV_

SKT

XV_

SKT

Reserved

YV_

CARD

XV_

CARD

V3_

CARD

V5_

CARD