SH7708 Datasheet, PDF (603/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table A.13 Pin States (PCMCIA/Little-Endian) (cont)
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
Byte/
Byte
Byte/
Byte
Word/ Byte Access Word/ Word/ Byte Access Word/
Long- Access (Ad- Long- Long- Access (Ad-dressLong-
word (Ad- dress word word (Ad- 2n + 1) word
Pin
Access dress 2n) 2n + 1) Access Access dress 2n)
Access
CS6 to CS0
Enabled Enabled High
Enabled Enabled Enabled High
Enabled
RD
R Low
Low
Low
Low
High High High
High
W High
High
High
High
High
High
High
High
RD/WR
R High
High
High
High
High
High
High
High
W Low
Low
Low
Low
Low
Low
Low
Low
BS
Enabled Enabled Enabled Enabled Enabled Enabled Enabled Enabled
RAS/CE
High
High
High
High
High
High
High
High
CAS/CASLL /OE
High
High
High
High
High
High
High
High
CASLH
High
High
High
High
High
High
High
High
CASHL/CAS2L
High
High
High
High
High
High
High
High
CASHH /CAS2H
High
High
High
High
High
High
High
High
DQMLL/WE0
R High
High
High
High
High
High
High
High
W High
High
High
High
High
High
High
High
DQMLU/WE1
R High
High
High
High
High
High
High
High
W Low
Low
Low
Low
High High High
High
DQMUL/WE2/ICIORD R High High High High Low
Low
Low
Low
W High
High
High
High
High
High
High
High
DQMUU/WE3/ICIOWR R High
High
High
High
High
High
High
High
W High High High High Low
Low
Low
Low
MD3/CE2A
High-Z High-Z High-Z High-Z High-Z High-Z High-Z High-Z
or high^*1 or high^*1 or high^*1 or high^*1 or high^*1 or high^*1 or high^*1 or high^*1
MD4/CE2B
High High Low
Low
High High Low
Low
MD5/RAS2
High-Z High-Z High-Z High-Z High-Z High-Z High-Z High-Z
or high^*3 or high^*3 or high^*3 or high^*3 or high^*3 or high^*3 or high^*3 or high^*3
CKE
Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled
WAIT
Enabled^*4 Enabled^*4 Enabled^*4 Enabled^*4 Enabled^*4 Enabled^*4 Enabled^*4 Enabled^*4
IOIS16
Disabled Disabled Disabled Disabled Disabled Disabled Enabled Enabled
A25 to A0
Address Address Address Address Address Address Address Address
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