ADSP-2185LKST-160 Analog Devices Inc, ADSP-2185LKST-160 Datasheet - Page 26
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ADSP-2185LKST-160
Manufacturer Part Number
ADSP-2185LKST-160
Description
IC DSP CONTROLLER 16BIT 100LQFP
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet
1.ADSP-2184LBSTZ-160.pdf
(48 pages)
Specifications of ADSP-2185LKST-160
Rohs Status
RoHS non-compliant
Interface
Host Interface, Serial Port
Clock Rate
40MHz
Non-volatile Memory
External
On-chip Ram
80kB
Voltage - I/o
3.30V
Voltage - Core
3.30V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Device Core Size
16b
Format
Fixed Point
Clock Freq (max)
40MHz
Mips
40
Device Input Clock Speed
40MHz
Ram Size
80KB
Program Memory Size
48KB
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADSP-2185LKST-160
Manufacturer:
AD
Quantity:
1 831
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Memory Read
Table 17. Memory Read
1
2
3
Parameter
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
t
t
t
w = wait states × t
xMS = PMS, DMS, CMS, IOMS, BMS.
For the ADSP-2187L, this specification is 0 ns min.
RDD
AA
RDH
RP
CRD
ASR
RDA
RWR
CK
RD Low to Data Valid
A13–0, xMS to Data Valid
Data Hold from RD High
RD Pulse Width
CLKOUT High to RD Low
A13–0, xMS Setup Before RD Low
A13–0, xMS Hold After RD Deasserted
RD High to RD or WR Low
.
ADDRESS LINES 1
DATA LINES 2
BMS, IOMS,
DMS, PMS,
CLKOUT
CMS
WR
1 ADDRESS LINES FOR ACCESSES ARE:
RD
BDMA: A13–0 (14 LSBs), D23–16 (8 MSBs)
I/O SPACE: A10–0
EXTERNAL PM AND DM: A13–0
1
3
2
Rev. C | Page 26 of 48 | January 2008
Figure 19. Memory Read
t
CRD
t
ASR
t
AA
2 DATA LINES FOR ACCESSES ARE:
I/O SPACE: D23–8
EXTERNAL DM: D23–8
EXTERNAL PM: D23–0
BDMA: D15–8
t
RDD
t
RP
Min
1
0.5t
0.25t
0.25t
0.25t
0.5t
t
RDA
CK
CK
CK
CK
CK
– 5 + w
– 5
t
– 5
– 6
– 3
RDH
t
RWR
Max
0.5t
0.75t
0.25t
CK
CK
CK
– 9 + w
– 12.5 + w
+ 7
Unit
ns
ns
ns
ns
ns
ns
ns
ns