ADSP-2181KS-115 Analog Devices Inc, ADSP-2181KS-115 Datasheet - Page 24
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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
ADSP-2181
Parameter
IDMA Read, Short Read Cycle
Timing Requirements:
t
t
Switching Characteristics:
t
t
t
t
t
NOTES
1
2
Start of Read = IS Low and IRD Low.
End of Read = IS High or IRD High.
IKR
IRP
IKHR
IKDH
IKDD
IRDE
IRDV
IACK Low before Start of Read
Duration of Read
IACK High after Start of Read
IAD15–0 Data Hold after End of Read
IAD15–0 Data Disabled after End of Read
IAD15–0 Previous Data Enabled after Start of Read
IAD15–0 Previous Data Valid after Start of Read
IAD15–0
IACK
IRD
IS
Figure 18. IDMA Read, Short Read Cycle
1
1
t
IKR
t
IRDE
2
2
t
IKHR
t
IRDV
–24–
t
IRP
PREVIOUS
DATA
Min
0
15
0
0
t
IKDD
t
IKDH
Max
15
12
15
REV. D
Unit
ns
ns
ns
ns
ns
ns
ns