SH7708 Datasheet, PDF (606/625 Pages) Renesas Technology Corp – SuperH™ RISC engine

Table A.14 Pin States (PCMCIA/BIG-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- Long-
word (Ad- dress word word (Ad- dress word
Pin
Access dress 2n) 2n + 1) Access Access dress 2n) 2n + 1) 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
592