SH7750_08 Datasheet, PDF (498/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 13 Bus State Controller (BSC)
Bus Width
32
32
64
Burst Length
4*
8
4
CAS Latency
1
2
3
1
2
3
1
2
3
Area 2
H'FF900048
H'FF900088
H'FF9000C8
H'FF90004C
H'FF90008C
H'FF9000CC
H'FF900090
H'FF900110
H'FF900190
Area 3
H'FF940048
H'FF940088
H'FF9400C8
H'FF94004C
H'FF94008C
H'FF9400CC
H'FF940090
H'FF940110
H'FF940190
For a 32-bit bus:
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Address 0 0 0 0 0 0 0 0 0 LMO LMO LMO WT BL2 BL1 BL0
DE2 DE1 DE0
←⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯→
10 bits set in case of 32-bit bus width
For a 64-bit bus:
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Address 0 0 0 0 0 0 0 0 LMO LMO LMO WT BL2 BL1 BL0
DE2 DE1 DE0
←⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯→
10 bits set in case of 64-bit bus width
LMODE: CAS latency
BL:
Burst length
WT:
Wrap type (0: Sequential)
Rev.7.00 Oct. 10, 2008 Page 414 of 1074
REJ09B0366-0700