Renesas SH7709S Manual Do Utilizador
Rev. 5.00, 09/03, page 726 of 760
32-Bit Bus Width
Pin
Byte
Access
(Address
4n)
Byte
Access
(Address
4n + 1)
Byte
Access
(Address
4n + 2)
Byte
Access
(Address
4n + 3)
Word
Access
(Address
4n)
Word
Access
(Address
4n + 2)
Longword
Access
CS6
to
CS2
,
CS0
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
R
Low
Low
Low
Low
Low
Low
Low
RD
W High
High
High
High
High
High
High
R
High
High
High
High
High
High
High
RD/
WR
W Low
Low
Low
Low
Low
Low
Low
BS
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
RAS3U
/PTE[2]
High
High
High
High
High
High
High
RAS3L
/PTJ[0]
High
High
High
High
High
High
High
CASL
/PTJ[2]
High
High
High
High
High
High
High
CASU
/PTJ[3]
High
High
High
High
High
High
High
R
High
High
High
High
High
High
High
WE0
/DQMLL
W Low
High
High
High
Low
High
Low
R
High
High
High
High
High
High
High
WE1
/DQMLU/
WE
W High
Low
High
High
Low
High
Low
R
High
High
High
High
High
High
High
WE2
/DQMUL/
ICIORD
/PTK[6]
W High
High
Low
High
High
Low
Low
R
High
High
High
High
High
High
High
WE3
/DQMUU/
ICIOWR
/PTK[7]
W High
High
High
Low
High
Low
Low
CE2A
/PTE[4]
High
High
High
High
High
High
High
CE2B
/PTE[5]
High
High
High
High
High
High
High
CKE/PTK[5]
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
WAIT
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
Enabled
*
1
IOIS16
/PTG[7]
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
Disabled
A25 to A0
Address
Address
Address
Address
Address
Address
Address
D7 to D0
Valid
data
data
Invalid
data
data
Invalid
data
data
Invalid
data
data
Valid
data
data
Invalid
data
data
Valid
data
data
D15 to D8
Invalid
data
data
Valid
data
data
Invalid
data
data
Invalid
data
data
Valid
data
data
Invalid
data
data
Valid
data
data
D23 to D16
Invalid
data
data
Invalid
data
data
Valid
data
data
Invalid
data
data
Invalid
data
data
Valid
data
data
Valid
data
data
D31 to D24
Invalid
data
data
Invalid
data
data
Invalid
data
data
Valid
data
data
Invalid
data
data
Valid
data
data
Valid
data
data
Notes: 1. Disabled when WCR2 register wait setting is 0.
2. Unused data pins should be switched to the port function, or pulled up.