adsp-21msp58 Analog Devices, Inc., adsp-21msp58 Datasheet - Page 28

• Manufacturer Part Number: adsp-21msp58
• Description: Dsp Microcomputers
• Manufacturer: Analog Devices, Inc.

ADSP-21msp58/59
Parameter
Memory Read
Timing Requirement:
t
t
t
Switching Characteristic:
t
t
t
t
t
NOTE
w = wait states
RDD
AA
RDH
RP
CRD
ASR
RDA
RWR
t
CK
.
RD Low to Data Valid
A0-A13, PMS, DMS, BMS to Data Valid
Data Hold from RD High
RD Pulse Width
CLKOUT High to RD Low
A0-A13, PMS, DMS, BMS Setup before RD Low
A0-A13, PMS, DMS, BMS Hold after RD Deasserted
RD High to RD or WR Low
DMS, PMS,
A0 – A13
CLKOUT
BMS
WR
RD
D
Figure 18. Memory Read
t
CRD
t
ASR
t
AA
–28–
t
ROD
t
R P
Min
0
0.5t
0.25t
0.25t
0.25t
0.5t
t
RDA
CK
CK
CK
CK
CK
t
RDH
– 5
– 5 + w
– 5
– 6
– 3
t
R W R
Max
0.5t
0.75t
0.25t
CK
CK
CK
– 11 + w
– 12 + w
+ 7
REV. 0
Unit
ns
ns
ns
ns
ns
ns
ns