ADSP-21XX1111 Analog Devices, ADSP-21XX1111 Datasheet - Page 48
ADSP-21XX1111
Manufacturer Part Number
ADSP-21XX1111
Description
ADSP-2100 Family DSP Microcomputers
Manufacturer
Analog Devices
Datasheet
1.ADSP-21XX1111.pdf
(64 pages)
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ADSP-21xx
TIMING PARAMETERS (ADSP-2103/2162/2164)
MEMORY READ
Parameter
Timing Requirement:
t
t
t
Switching Characteristic:
t
t
t
t
t
w = wait states
RDD
AA
RDH
RP
CRD
ASR
RDA
RWR
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
t
CK.
DMS, PMS
CLKOUT
A0 – A13
BMS
RD
WR
D
Figure 42. Memory Read
t
CRD
–48–
t
ASR
t
AA
10.24 MHz
Min
0
43.8
19.4
12.4
14.4
38.8
t
RDD
t
Max
33.8
49.2
34.4
RP
Frequency
Dependency
Min
0.5t
0.25t
0.25t
0.25t
0.5t
t
RDA
CK
CK
CK
CK
CK
t
RDH
– 5 + w
– 10
t
– 5
– 12
– 10
RWR
Max
0.5t
0.75t
0.25t
CK
CK
CK
– 15 + w
– 24 + w
+ 10
REV. B
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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