DSP56002 Datasheet, PDF (60/110 Pages) Motorola, Inc – 24-BIT DIGITAL SIGNAL PROCESSOR

Specifications
External Bus Synchronous Timing
CKOUT
A0–A15,
PS, DS,
X/Y
BS
WT
T0
T1
T2 Tw T2 Tw T2 T3 T0
140
149
150
154
152
151
153
143
RD
D0–D23
141
144
147
148
Data In
142
WR
145
D0–D23
Data Out
Note: During Read-Modify-Write instructions, the address lines do not change state.
However, BS will deassert before asserting again for the write cycle.
146
AA0397
Figure 2-25 Synchronous BS / WT Timings
2-34
DSP56002/D, Rev. 3
MOTOROLA