ADSP-2187LBST-160 Analog Devices Inc, ADSP-2187LBST-160 Datasheet - Page 27
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ADSP-2187LBST-160
Manufacturer Part Number
ADSP-2187LBST-160
Description
IC DSP CONTROLLER 16BIT 100TQFP
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet
1.ADSP-2184LBSTZ-160.pdf
(48 pages)
Specifications of ADSP-2187LBST-160
Rohs Status
RoHS non-compliant
Interface
Host Interface, Serial Port
Clock Rate
40MHz
Non-volatile Memory
External
On-chip Ram
160kB
Voltage - I/o
3.30V
Voltage - Core
3.30V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-TQFP, 100-VQFP
Device Core Size
16b
Format
Fixed Point
Clock Freq (max)
40MHz
Mips
40
Device Input Clock Speed
40MHz
Ram Size
160KB
Program Memory Size
96KB
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Lead Free Status / Rohs Status
Not Compliant
Memory Write
Table 18. Memory Write
1
2
Parameter
Switching Characteristics:
t
t
t
t
t
t
t
t
t
t
w = wait states × t
xMS = PMS, DMS, CMS, IOMS, BMS.
DW
DH
WP
WDE
ASW
DDR
CWR
AW
WRA
WWR
CK
Data Setup Before WR High
Data Hold After WR High
WR Pulse Width
WR Low to Data Enabled
A13–0, xMS Setup Before WR Low
Data Disable Before WR or RD Low
CLKOUT High to WR Low
A13–0, xMS Setup Before WR Deasserted
A13–0, xMS Hold After WR Deasserted
WR High to RD or WR Low
.
ADDRESS LINES 1
DATA LINES 2
DMS, PMS,
BMS, CMS,
CLKOUT
IOMS
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
2
ADSP-2184L/ADSP-2185L/ADSP-2186L/ADSP-2187L
Rev. C | Page 27 of 48 | January 2008
Figure 20. Memory Write
t
CWR
t
ASW
t
WDE
2 DATA LINES FOR ACCESSES ARE:
I/O SPACE: D23–8
EXTERNAL DM: D23–8
EXTERNAL PM: D23–0
BDMA: D15–8
t
AW
t
WP
t
DW
t
Min
0.5t
0.25t
0.5t
0
0.25t
0.25t
0.25t
0.75t
0.25t
0.5t
WRA
t
DH
CK
CK
CK
CK
CK
CK
CK
CK
CK
– 7 + w
– 5 + w
– 5
t
WWR
– 2
– 6
– 7
– 5
– 9 + w
– 3
t
DDR
Max
0.25t
CK
+ 7
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns