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Rev. 5.00, 09/03, page 738 of 760
PCMCIA Memory Interface (Area 6) PCMCIA/IO Interface (Area 6)
8-Bit
Bus
Width
16-Bit Bus Width
8-Bit
Bus
Width
16-Bit Bus Width
Pin
Byte/
Word/
Long-
word
Access
Byte
Access
(Ad-
dress
2n)
Byte
Access
(Ad-
dress
2n + 1)
Word/
Long-
word
Access
Byte/
Word/
Long-
word
Access
Byte
Access
(Ad-
dress
2n)
Byte
Access
(Ad-
dress
2n+1)
Word/
Long-
word
Access
CS6 to CS2, CS0 Enabled Enabled High Enabled Enabled Enabled High Enabled
R Low Low Low Low High High High HighRD
W High High High High High High High High
R High High High High High High High HighRD/WR
W Low Low Low Low Low Low Low Low
BS Enabled Enabled Enabled Enabled Enabled Enabled Enabled Enabled
RAS3U/PTE[2] High High High High High High High High
RAS3L/PTJ[0] High High High High High High High High
CASL/PTJ[2] High High High High High High High High
CASU/PTJ[3] High High High High High High High High
R High High High High High High High HighWE0/DQMLL
W High High High High High High High High
R High High High High High High High HighWE1/DQMLU/WE
W Low Low Low Low High High High High
R High High High High Low Low Low Low
WE2/DQMUL/
ICIORD/PTK[6]
W High High High High High High High High
R High High High High High High High High
WE3/DQMUU/
ICIOWR/PTK[7]
W High High High High Low Low Low Low
CE2A/PTE[4] High High High High High High High High
CE2B/PTE[5] High High Low Low High High Low Low
CKE/PTK[5] Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled
WAIT Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
IOIS16/PTG[7] Disabled Disabled Disabled Disabled Disabled Disabled Enabled Enabled
A25 to A0 Address Address Address Address Address Address Address Address
D7 to D0 Valid
data
Invalid
data
Valid
data
Valid
data
Valid
data
Invalid
data
Valid
data
Valid
data
D15 to D8 High-Z
*
2
Valid
data
Invalid
data
Valid
data
High-Z
*
2
Valid
data
Invalid
data
Valid
data
D31 to D16 High-Z
*
2
High-Z
*
2
High-Z
*
2
High-Z
*
2
High-Z
*
2
High-Z
*
2
High-Z
*
2
High-Z
*
2
Notes: 1. Disabled when WCR2 register wait setting is 0.
2. Unused data pins should be switched to the port function, or pulled up.