HD6417706 RENESAS [Renesas Technology Corp], HD6417706 Datasheet - Page 692

• Manufacturer Part Number: HD6417706
• Description: Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Table B.7
Notes: 1. Lower 32-Mbyte access/Upper 32-Mbyte access
Rev. 4.00, 03/04, page 646 of 660
Pin
CS6 to CS2, CS0
RD
RD/WR
BS
RASU/PTD[1]
RASL/PTD[0]
CASL/PTD[2]
CASU/PTD[3]
DQMLL/WE0
DQMLU/WE1
DQMUL/WE2/ICIORD
DQMUU/WE3/ICIOWR
CE2A/PTD[6]
CE2B/PTD[7]
CKE
WAIT
IOIS16
A25 to A0
D7 to D0
D15 to D8
D23 to D16
D31 to D24
2. Normally high. Low in self-refreshing.
Pin States (Synchronous DRAM/Little Endian)
R
W
R
W
R
W
R
W
R
W
R
W
High/Low*
High/Low*
High*
Invalid data Valid data
Invalid data Invalid data Valid data
Invalid data Invalid data Invalid data Valid data
Byte
Access
(Address
4n)
Enabled
High
High
High
Low
Enabled
Low/High*
Low/High*
Low
Low
High
High
High
High
High
High
High
High
Disabled
Disabled
Address
command
Valid data
2
1
1
1
1
Byte
Access
(Address
4n + 1)
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
High
High
Low
Low
High
High
High
High
High
High
High*
Disabled
Disabled
Address
command
Invalid data Invalid data Invalid data Valid data
2
1
1
1
1
Byte
Access
(Address
4n + 2)
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
High
High
High
High
Low
Low
High
High
High
High
High*
Disabled
Disabled
Address
command
Invalid data Invalid data Valid data
2
32-Bit Bus Width
1
1
1
1
Byte
Access
(Address
4n + 3)
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
High
High
High
High
High
High
Low
Low
High
High
High*
Disabled
Disabled
Address
command
Invalid data Invalid data Valid data
2
1
1
1
1
Word
Access
(Address
4n)
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
Low
Low
Low
Low
High
High
High
High
High
High
High*
Disabled
Disabled
Address
command
Invalid data Valid data
2
1
1
1
1
Word
Access
(Address
4n + 2)
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
High
High
High
High
Low
Low
Low
Low
High
High
High*
Disabled
Disabled
Address
command
Invalid data Valid data
Invalid data Valid data
2
1
1
1
1
Longword
Access
Enabled
High
High
High
Low
Enabled
High/Low*
Low/High*
High/Low*
Low/High*
Low
Low
Low
Low
Low
Low
Low
Low
High
High
High*
Disabled
Disabled
Address
command
Valid data
Valid data
2
1
1
1
1