HD6417750RF240DV Datasheet, PDF (670/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

Section 14 Direct Memory Access Controller (DMAC)
SH7750, SH7750S, SH7750R Group
CLK
DBREQ
BAVL
TR
A25–A0
RA
CA
D63–D0
D0 D1 D2 D3
RAS, CAS,
WE
BA
RD
Figure 14.35 Read from Synchronous DRAM Precharge Bank
CLK
DBREQ
BAVL
TR
Transfer requests can be accepted
A25–A0
RA
CA
D63–D0
D0 D1 D2 D3
RAS, CAS,
PCH
BA
RD
WE
Figure 14.36 Read from Synchronous DRAM Non-Precharge Bank (Row Miss)
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R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013