參數(shù)資料
型號: ADSP-21062
廠商: Analog Devices, Inc.
英文描述: ADSP-2106x SHARC DSP Microcomputer Family
中文描述: 的ADSP - 2106x SHARC處理器DSP的微機家庭
文件頁數(shù): 14/48頁
文件大?。?/td> 370K
代理商: ADSP-21062
–14–
ADSP-21062/ADSP-21062L
REV. C
POWER DISSIPATION ADSP-21062 (5 V)
These specifications apply to the internal power portion of V
DD
only. See the Power Dissipation section of this data sheet for calcula-
tion of external supply current and total supply current. For a complete discussion of the code used to measure power dissipation, see
the technical note “SHARC Power Dissipation Measurements.”
Specifications are based on the following operating scenarios:
Operation
Peak Activity (I
DDINPEAK
)
Multifunction
High Activity (I
DDINHIGH
)
Multifunction
Low Activity (I
DDINLOW
)
Single Function
Instruction Type
Instruction Fetch
Cache
Internal Memory
Internal Memory
Core Memory Access
2 per Cycle (DM and PM)
1 per Cycle (DM)
None
Internal Memory DMA
1 per Cycle
1 per 2 Cycles
1 per 2 Cycles
To estimate power consumption for a specific application, use the following equation where % is the amount of time your program
spends in that state:
%
PEAK
×
I
DDINPEAK
+ %HIGH
×
I
DDINHIGH
+ %LOW
×
I
DDINLOW
+ %IDLE
×
I
DDIDLE
= power consumption
Parameter
Test Conditions
Max
Units
I
DDINPEAK
Supply Current (Internal)
1
t
CK
= 30 ns, V
DD
= max
t
CK
= 25 ns, V
DD
= max
t
CK
= 30 ns, V
DD
= max
t
CK
= 25 ns, V
DD
= max
t
CK
= 30 ns, V
DD
= max
t
CK
= 25 ns, V
DD
= max
V
DD
= max
745
850
575
670
340
390
200
mA
mA
mA
mA
mA
mA
mA
I
DDINHIGH
Supply Current (Internal)
2
I
DDINLOW
Supply Current (Internal)
2
I
DDIDLE
Supply Current (Idle)
3
NOTES
1
The test program used to measure I
represents worst case processor operation and is not sustainable under normal application conditions. Actual internal
power measurements made using typical applications are less than specified.
2
I
is a composite average based on a range of high activity code. I
DDINLOW
is a composite average based on a range of low activity code.
3
Idle denotes ADSP-21062L state during execution of IDLE instruction.
相關PDF資料
PDF描述
ADSP-21062L Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
ADSP-21062LKB-160 ADSP-2106x SHARC DSP Microcomputer Family
ADSP-21065LCCA-240 DSP Microcomputer
ADSP-21065LKS-240 DSP Microcomputer
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