Manualsbrain.com
  1. Manuais
  2. Marcas
  3. Renesas
  4. SH7709S
  5. Manual Do Utilizador

Renesas SH7709S Manual Do Utilizador

Download
Página de 807
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
High
RD
W High
High
High
High
High
High
High
High
R
High
High
High
High
High
High
High
High
RD/
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
High
WE0
/DQMLL
W High
High
High
High
High
High
High
High
R
High
High
High
High
High
High
High
High
WE1
/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.