CL-PD6833-VC-A View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CL-PD6833-VC-A' PDF : 216 Pages View PDF
CL-PD6833
PCI-to-CardBus Host Adapter
Bit 4 — Write Protect
0
Card is not write-protected.
1
Card is write-protected.
In Memory Card Interface mode, this bit indicates the state of the WP/IOIS16# pin (see page 18)
on the card. This bit is not valid in I/O Card Interface mode.
Bit 5 — Ready / Busy* / Interrupt Request Status
0
Card is not ready.
1
Card is ready.
In Memory Card Interface mode, this bit indicates the state of the RDY/IREQ# pin (see page 18)
on the card. This bit reads the state of the Interrupt Request in the I/O mode of operation. This bit
can be used to examine the source of the interrupt if the card holds the Interrupt Request line ac-
tive until the interrupt is serviced. This bit represents the inverted realtime value of the Interrupt
Request pin.
Bit 6 — Card Power On
0
Power to the card is not on.
1
Power to the card is on.
This status bit indicates whether power to the card is on. Refer to Table 8-2 for more details.
Bit 7 — Reserved
This bit always reads ‘1’.
June 1998
ADVANCE DATA BOOK v0.3
93
DEVICE CONTROL REGISTERS
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