Hitachi SH7751 Hardware Manual page 584

Four requests can be queued
CKIO
1st 2nd
3rd 4th
A25–A0
D31–D0
RAS, CAS,
WE
ID1, ID0
Figure 14.51 Single Address Mode/Burst Mode/External Bus
Transfer (Active Bank Address)/Direct Data Transfer Request to Channel 2
5th
CA CA
D2
D0 D1
RD
RD
Handshaking is necessary
to send additional requests
CA
D2
D3 D0 D1 D3
RD
Must be ignored
(no request transmitted)



Rev. 3.0, 04/02, page 545 of 1064
CA
D0 D1 D2
RD
External Device Data