Rev. 3.0, 03/01, page 29 of 390
Table 4.6
Pin Descriptions of PCMCIA 1 Interface
Pin No.
(HD64465BP)
Pin No.
(HD64465BQ) Symbol
I/O
Description
PCMCIA 1 (memory or IO)
L23-26,
M23-26, N22-
23, AA25-26,
Y23-26, W23-
25, V23-26,
U23-25
J15, J17, H18-
20, J18-20,
K14, K16, P17,
R18, N15, U19,
U20, N17, N16,
T19, T20, P18,
M15, R20,
M17, M16,
L14, P19
PCC1A25-A0
O
Address bus [25:0] of PCMCIA card 1
T23, T25, R22,
R25, P23-24,
P26, N24, U26,
T24, R23-24,
R26, P22, P25,
N25
P20, L16, L17,
L15, L20, L18,
K18, K20, N18,
N19, M18-20,
L19, K15, K17
PCC1D15-D0 IO
Data bus [15:0] of PCMCIA card 1
K23
J16
PCC1CE1A#
O
PCMCIA card 1 low byte enable
K25
G19
PCC1CE2A#
O
PCMCIA card 1 high byte enable
K24
F20
RDA#
O
PCMCIA card 1 Read enable
J23
G18
WEA#
O
PCMCIA card 1 Write enable
J26
F19
PCC1ICIORDA
#
O
PCMCIA card 1 I/O Read enable
J25
H17
PCC1ICIOWR
A#
O
PCMCIA card 1 I/O Write enable
J24
E20
PCC1RESET
O
PCMCIA card 1 reset
H25
F18
PCC1WAIT#
I
PCMCIA card 1 memory or IO wait state
H24
H16
PCC1WP#/
IOIS16#
I
Reflects the states of the Write Protect switch
on PCC1 memory cards. For I/O cards,
PCC1WP# is used for the card, which is 16-
bit Port ( IOIS16# ) function.
H23
H15
PCC1RDY/
IREQ1#
I
Driven low by memory PC cards to indicate
that the memory card circuits are busy. For
I/O card, PCC1RDY is used as an interrupt
request.
Summary of Contents for HD64465
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