HD6417751 Datasheet, PDF (584/1105 Pages) Renesas Technology Corp – SuperH RISC engine

Four requests can be queued
CKIO
1st 2nd 3rd 4th
5th
Handshaking is necessary
to send additional requests
A25–A0
D31–D0
RAS, CAS,
WE
RA
CA
CA
CA
CA
D0 D1 D2 D3 D0 D1 D2 D3 D0 D1 D2 D3
BA
WT
WT
WT
WT
ID1, ID0
Must be ignored
(no request transmitted)
Figure 14.50 Single Address Mode/Burst Mode/External Device → External Bus Data
Transfer/Direct Data Transfer Request to Channel 2
Rev. 3.0, 04/02, page 544 of 1064