Figure 14.49 Single Address Mode/Burst Mode/External Bus  External Device Data Transfer/Direct Data Transfer Request To Channel 2 - Hitachi SH7751 Hardware Manual

Four requests can be queued
CKIO
1st 2nd 3rd 4th
A25 A0
D31 D0
RAS, CAS,
WE
ID1, ID0
Figure 14.49 Single Address Mode/Burst Mode/External Bus
Transfer/Direct Data Transfer Request to Channel 2
CA
RA
BA
RD
Handshaking is necessary
to send additional requests
5th
CA
CA
D2
D0 D1 D3 D0 D1
RD RD
Must be ignored
(no request transmitted)



External Device Data
Rev. 3.0, 04/02, page 543 of 1064
No more requests
CA
D2 D2
D3 D0 D1
RD