These specifications apply to the internal " />
參數(shù)資料
型號： ADSP-21061LASZ-176
廠商： Analog Devices Inc
文件頁數(shù)： 7/52頁
文件大?。?/td> 0K
描述： IC DSP CONTROLLER 32BIT 240MQFP
產(chǎn)品培訓(xùn)模塊： SHARC Processor Overview
標(biāo)準(zhǔn)包裝： 1
系列： SHARC®
類型： 浮點(diǎn)
接口： 同步串行端口（SSP）
時(shí)鐘速率： 44MHz
非易失內(nèi)存： 外部
芯片上RAM： 128kB
電壓 - 輸入/輸出： 3.30V
電壓 - 核心： 3.30V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 240-BFQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 240-MQFP-EP（32x32）
包裝： 托盤
Rev. D | Page 15 of 52 | May 2013
INTERNAL POWER DISSIPATION (5 V)
These specifications apply to the internal power portion of VDD
only. See the Power Dissipation section of this data sheet for cal-
culation of external supply current and total supply current. For
a complete discussion of the code used to measure power dissi-
pation, see the technical note “SHARC Power Dissipation
Measurements.”
Specifications are based on the operating scenarios:
To estimate power consumption for a specific application, use
the following equation where % is the amount of time your pro-
gram spends in that state:
%PEAK IDDINPEAK + %HIGH IDDINHIGH + %LOW IDDINLOW +
%IDLE IDDIDLE = power consumption
Operation
Peak Activity (IDDINPEAK)
High Activity (IDDINHIGH)
Low Activity (IDDINLOW)
Instruction Type
Multifunction
Single Function
Instruction Fetch
Cache
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
Parameter
Test Conditions
Max
Unit
IDDINPEAK Supply Current (Internal)1
tCK = 30 ns, VDD = Max
tCK = 25 ns, VDD = Max
tCK = 20 ns, VDD = Max
595
680
850
mA
IDDINHIGH Supply Current (Internal)2
tCK = 30 ns, VDD = Max
tCK = 25 ns, VDD = Max
tCK = 20 ns, VDD = Max
460
540
670
mA
IDDINLOW Supply Current (Internal)3
tCK = 30 ns, VDD = Max
tCK = 25 ns, VDD = Max
tCK = 20 ns, VDD = Max
270
320
390
mA
IDDIDLE Supply Current (Idle)4
IDDIDLE Supply Current (Idle16)5
VDD = Max
200
55
mA
1 The test program used to measure IDDINPEAK 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 IDDINHIGH is a composite average based on a range of high activity code. IDDINLOW is a composite average based on a range of low activity code.
3 IDDINLOW is a composite average based on a range of low activity code.
4 Idle denotes ADSP-21061L state during execution of IDLE instruction.
5 Idle16 denotes ADSP-2106x state during execution of IDLE16 instruction.
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