CLK
DBREQ
BAVL
TR
A25–A0
D63–D0
MD = 10 or 11
CMD
TDACK
ID1, ID0
Start of data transfer
CA
DTR
D0
WT
Figure 14.32 Handshake Protocol Using Data Bus
(Channel 0 On-Demand Data Transfer)
D1
D2
D3
DTR
MD = 00
Next transfer request
Rev. 4.0, 04/00, page 485 of 850
CA
D0
D1
WT