ADSP-2185NBST-320 Analog Devices Inc, ADSP-2185NBST-320 Datasheet - Page 28
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ADSP-2185NBST-320
Manufacturer Part Number
ADSP-2185NBST-320
Description
IC DSP CONTROLLER 16BIT 100LQFP
Manufacturer
Analog Devices Inc
Series
ADSP-21xxr
Type
Fixed Pointr
Datasheet
1.ADSP-2185NKSTZ-320.pdf
(48 pages)
Specifications of ADSP-2185NBST-320
Rohs Status
RoHS non-compliant
Interface
Host Interface, Serial Port
Clock Rate
80MHz
Non-volatile Memory
External
On-chip Ram
80kB
Voltage - I/o
1.8V, 2.5V, 3.3V
Voltage - Core
1.90V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Device Core Size
16b
Architecture
Enhanced Harvard
Format
Fixed Point
Clock Freq (max)
80MHz
Mips
80
Device Input Clock Speed
80MHz
Ram Size
80KB
Program Memory Size
Not RequiredKB
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (min)
1.8V
Operating Supply Voltage (max)
2/3.6V
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADSP-2185NBST-320
Manufacturer:
AD
Quantity:
1 831
ADSP-218xN
Clock Signals and Reset
Table 15. Clock Signals and Reset
1
Parameter
Timing Requirements:
t
t
t
Switching Characteristics:
t
t
t
Control Signals Timing Requirements:
t
t
t
Applies after power-up sequence is complete. Internal phase lock loop requires no more than 2000 CLKIN cycles, assuming stable CLKIN (not including crystal oscillator
CKI
CKIL
CKIH
CKL
CKH
CKOH
RSP
MS
MH
start-up time).
CLKIN Period
CLKIN Width Low
CLKIN Width High
CLKOUT Width Low
CLKOUT Width High
CLKIN High to CLKOUT High
RESET Width Low
Mode Setup before RESET High
Mode Hold after RESET High
MODE A D
CLKOUT
RESET
CLKIN
Rev. A | Page 28 of 48 | August 2006
Figure 26. Clock Signals and Reset
t
t
CKIL
RSP
t
t
CKI
MS
t
CKL
t
MH
t
CKOH
t
CKH
t
CKIH
Min
25
8
8
0.5t
0.5t
0
5t
7
5
CK
1
CK
CK
– 3
– 3
Max
40
8
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns