SH7032 Datasheet, PDF (181/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 8 Bus State Controller (BSC)
CK
A21–
A0
RAS
CAS
WR
AD15–
AD0
Access A
Access B
Silent
Tp
Tr
Tc
Tc
cycle
Tc
Tc
Column Column
address A-1 address A-2
Column Column
address B-1 address B-2
Row address
Data A-1 Data A-2
Data B-1 Data B-2
Note:
Accesses A and B are examples of 32-bit data accesses in their respective 16-bit bus width
spaces.
Figure 8.24 Short-Pitch, High-Speed Page Mode (Write Cycle)
CK
A21–
A0
RAS
Access A (read)
Access B (write)
Silent
T_p
T_r
T_c
T_c
cycle
T_c
T_c
Column Column
address A-1 address A-2
Column Column
address B-1 address B-2
Row address
CAS
WR
AD15–
AD0
Read data A-1 Read data A-2 Write data B-1 Write data B-2
Note: Accesses A and B are examples of 32-bit data accesses in their respective 16-bit bus width
spaces.
Figure 8.25 Short-Pitch, High-Speed Page Mode (Read and Write Cycles Continuing with
Same Row Address)
Rev. 7.00 Jan 31, 2006 page 155 of 658
REJ09B0272-0700