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PCI bus arbiter
448
NS9750 Hardware Reference
Register bit assignment
CardBus Socket Present State register
Address: A030 1008
The CardBus Socket Present State register is used for CardBus applications only, and
contains status information about the CardBus socket.
Bits Access Mnemonic Reset Description
D31:04 Hardwired
to 0
Reserved N/A N/A
D03 R/W PWR_CHG_EN 0 Power cycle interrupt enable
0 Interrupt disabled
1 Interrupt enabled
D02 R/W CCD2_CHG_EN 0 CCD2 change interrupt enable
0 Interrupt disabled
1 Interrupt enabled
D01 R/W CCD1_CHG_EN 0 CCD1 change interrupt enable
0 Interrupt disabled
1 Interrupt enabled
D00 R/W
CSTSCHG_CHG_EN
0 CSTSCHG change interrupt enable
0 Interrupt disabled
1 Interrupt enabled
Table 281: CardBus Socket Mask register
Reserved
PWR_
CHG_
EN
CSTS
CHG_
CHG
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Reserved
CCD2_
CHG_
EN
CCD1_
CHG_
EN