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OZ6833 Datasheet PDF : 15 Pages
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OZ6833
Name1
-INPACK/
CREQ#
RDY/
-IREQ/
CINT#
-WAIT/
CSERR#
CD[2:1]/
CCD[2:1]#
-CE2/
CAD10
-CE1/
CCBE0#
RESET/
CRST#
Description2
Pin Number
Socket A
Socket B
Qty
I/O
Pwr
Drive
TQFP BGA TQFP BGA
Input Acknowledge: The -INPACK 110
R17
186
B8
1
I-PU
2 or 3 CardBus
function is not applicable in PCI bus
spec.
environments.
However,
for
compatibility with other Cirrus Logic
products, this pin should be connected
to the PCMCIA socket’s -INPACK pin.
CardBus Request: In CardBus mode,
this pin is the CREQ# signal.
Ready/Interrupt Request: In Memory 91
Card Interface mode, this input
indicates to the OZ6833 that the card is
R12
167
D12
1
I-PU
2 or 3 CardBus
spec.
either ready or busy. In I/O Card
Interface mode, this input indicates a
card interrupt request.
CardBus Interrupt: In CardBus mode,
this pin is the CINT# signal. This signal
is active-low and level-sensitive.
Wait: This input indicates a request by 108
P14
184
D8
1
I-PU
2 or 3 CardBus
the card to the OZ6833 to halt the cycle
in progress until this signal is
deactivated.
CardBus System Error: In CardBus
mode, this pin is the CSERR# signal.
spec.
Card Detect: These inputs indicate to 126, K16, 202,
A4,
2
I-PU-
the OZ6833 that a card is in the socket. 61
P5
136
G14
Schmitt
They are internally pulled high to the
voltage of the AuxVCC power pin.
CardBus Card Detect: In CardBus
mode, these inputs are used with
1
CardBus
spec.
CVS[2:1] to detect presence and type of
card.
Card Enable pin is driven low by the 74
OZ6833 during card access cycles to
T8
150
D15
1
I/O
2 or 3 CardBus
spec.
control byte/word card access. -CE1
enables even-numbered address bytes,
and -CE2 enables odd-numbered
address bytes. When configured for 8-
bit cards, only -CE1 is active and A0 is
used to indicate access of odd- or even-
numbered bytes.
CardBus Address/Data: In CardBus
mode, this pin is the CAD bit 10.
Card Enable pin is driven low by the 70
OZ6833 during card access cycles to
T7
147
E16
1
I/O
2 or 3 CardBus
spec.
control byte/word card access. -CE1
enables even-numbered address bytes,
and -CE2 enables odd-numbered
address bytes. When configured for 8-
bit cards, only -CE1 is active and A0 is
used to indicate access of odd- or even-
numbered bytes.
CardBus Command/Byte Enable: In
CardBus mode, this pin is the CCBEO#
signal.
Card Reset: This output is low for 106
R16
182
B9
1
normal operation and goes high to reset
the card. To prevent reset glitches to a
card, this signal is high-impedance
unless a card is seated in the socket,
TO
2 or 3 CardBus
spec.
card power is applied, and the card’s
interface signals are enabled.
CardBus Reset: In CardBus mode, this
pin is the CRST# output.
OZ6833-DS-1.55
Page 10
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