Rev. 3.0, 03/01, page 28 of 390
Table 4.5
Pin Descriptions of PCMCIA 0 Interface (cont’d)
Pin No.
(HD64465BP)
Pin No.
(HD64465BQ) Symbol
I/O
Description
AB14
R11
PCC0WP#/
IOIS16#
I
Reflects the states of the Write Protect
switch on PCCMCIA memory cards. For I/O
cards, PCC0WP# is used for the card,
which is 16-bit Port (IOIS16#) function.
AD14
Y11
PCC0RDY/
IREQ0#
I
Driven low by memory PC cards to indicate
that the memory card circuits are busy. For
I/O card, PCC0RDY is used as an interrupt
request.
AE14
W11
PCC0BVD1/
STSCHG0#
I
The signal is an indication of the battery
condition on the PCC0 memory card. Both
PCC0BVD1 and PCC0BVD2 are in high
level when the battery is in good condition.
When PCC0BVD1 is low, the PC card
battery is no longer serviceable and data
are lost. For I/O card, PCC0BVD1 is card
status change (STSCHG) function.
AF14
V11
PCC0BVD2/
SPKR0
I
The signal is an indication of the battery
condition on the PCC0 memory card. Both
PCC0BVD1 and PCC0BVD2 are high level
when the battery is in good condition. When
PCC0BVD2 is low while PCC0BVD1 is in
high level, the PC card battery is in a
warning state. For I/O card, PCC0BVD2
acts as SPKR function.
AD13
V10
PCC0CD1#
I
Provides for PCMCIA card 0 insertion
detection
AC13
W10
PCC0CD2#
I
Provides for PCMCIA card 0 insertion
detection
AF13
T11
PCC0VS1#
I
PCMCIA card 0 Voltage sense
AE13
U10
PCC0VS2#
I
PCMCIA card 0 Voltage sense
AD22
N13
PCC0REG#
O
PCMCIA card 0 attribute memory select
AD12
T10
VCC0SEL1/
CLOCK
O
PCMCIA card 0 VCC power control / Clock
for serial data word of TPS2206
AE12
R10
VCC0SEL0/
DATA
O
PCMCIA card 0 VCC power control / Serial
data word of TPS2206
AF12
Y10
VCC0VPP1/
LATCH
O
PCMCIA card 0 VPP power control / Latch
for serial data word of TPS2206
AB13
N11
VCC0VPP0
O
PCMCIA card 0 VPP power control
Summary of Contents for HD64465
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