ADSP-2181KS-115 Analog Devices Inc, ADSP-2181KS-115 Datasheet - Page 17
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ADSP-2181KS-115
Manufacturer Part Number
ADSP-2181KS-115
Description
IC DSP CONTROLLER 16BIT 128PQFP
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet
1.ADSP-2181BSZ-133.pdf
(32 pages)
Specifications of ADSP-2181KS-115
Rohs Status
RoHS non-compliant
Interface
Synchronous Serial Port (SSP)
Clock Rate
28.8MHz
Non-volatile Memory
External
On-chip Ram
80kB
Voltage - I/o
5.00V
Voltage - Core
5.00V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-MQFP, 128-PQFP
REV. D
Parameter
Memory Read
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
t
t
t
w = wait states
xMS = PMS, DMS, CMS, IOMS, BMS.
RDD
AA
RDH
RP
CRD
ASR
RDA
RWR
t
CK
.
RD Low to Data Valid
A0–A13, xMS to Data Valid
Data Hold from RD High
RD Pulsewidth
CLKOUT High to RD Low
A0–A13, xMS Setup before RD Low
A0–A13, xMS Hold after RD Deasserted
RD High to RD or WR Low
BMS, IOMS,
DMS, PMS,
CLKOUT
A0–A13
CMS
WR
RD
D
Figure 11. Memory Read
t
CRD
t
ASR
t
AA
–17–
t
RDD
t
RP
Min
0
0.5t
0.25t
0.25t
0.25t
0.5t
CK
CK
CK
CK
CK
– 5 + w
– 5
– 5
– 4
– 3
t
RDA
t
RDH
t
RWR
Max
0.5t
0.75t
0.25t
CK
CK
CK
ADSP-2181
– 9 + w
– 10.5 + w
+ 7
Unit
ns
ns
ns
ns
ns
ns
ns
ns