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PCA-6187G2卡件就億佳
源程序模擬器是在廣泛使用的、人機(jī)接口完備的工作平臺(tái)上，如小型機(jī)和PC，通過軟件手段模擬執(zhí)行為某種嵌入式處理器內(nèi)核編寫的源程序測(cè)試工具。簡(jiǎn)單的模擬器可以通過指令解釋方式逐條執(zhí)行源程序，分配虛擬存儲(chǔ)空間和外設(shè)，供程序員檢查；的模擬器可以利用計(jì)算機(jī)的外部接口模擬出處理器的I/O電氣信號(hào)。不同檔次和功能模擬器工具價(jià)格差距巨大。


模擬器軟件獨(dú)立于處理器硬件，一般與編譯器集成在同一個(gè)環(huán)境中，是一種有效的源程序檢驗(yàn)和測(cè)試工具。但值得注意的是，模擬器畢竟是以一種處理器模擬另一種處理器的運(yùn)行，在指令執(zhí)行時(shí)間、中斷響應(yīng)、定時(shí)器等方面很可能與實(shí)際處理器有相當(dāng)?shù)牟顒e。另外它無法和ICE一樣，仿真嵌入式系統(tǒng)在應(yīng)用系統(tǒng)中的實(shí)際執(zhí)行情況。


4.實(shí)時(shí)多任務(wù)操作系統(tǒng)


實(shí)時(shí)多任務(wù)操作系統(tǒng)(RTOS)是嵌入式應(yīng)用軟件的基礎(chǔ)和開發(fā)平臺(tái)。目前在大多數(shù)嵌入式軟件開發(fā)還是基于處理器直接編寫，沒有采用商品化的RTOS，不能將系統(tǒng)軟件和應(yīng)用軟件分開處理。RTOS是一段嵌入在目標(biāo)代碼中的軟件，用戶的其它應(yīng)用程序都建立在RTOS之上。不但如此，RTOS還是一個(gè)可靠性和可信性很高的實(shí)時(shí)內(nèi)核，將時(shí)間、中斷、I/O、定時(shí)器等資源都包裝起來，留給用戶一個(gè)標(biāo)準(zhǔn)的API，并根據(jù)各個(gè)任務(wù)的優(yōu)先級(jí)，合理地在不同任務(wù)之間分配時(shí)間

AMAT 3060-01630 BRGBALL .253FT .625ODX.196W SST,          
AMAT 3060-01630 BRGBALL .253FT .625ODX.196W SST,          
AMAT 3300-01346 FTG FLANGE BLANK -OFF NW25 1.570DX.20THK SST304 ,          
AMAT 3300-01771 1/4 VCR Fitting FTG TBG UNION 1/4 VCR-M/M 1.55"LG SST
AMAT 3300-01771 1/4 VCR Fitting FTG TBG UNION 1/4 VCR-M/M 1.55"LG SST
AMAT 3300-02591 FTGTBAG CINN 3/8T X 1/2FP SST ,          
AMAT 3300-02682 FTG NIP QDISC 1/4BODY X 1/4-18FP 1.52"L SST303 ,          
AMAT 3300-02875 fitting pipe adapter reducer 1/4fp x 1/8mp sst EM49S1-HW
AMAT 3300-03598 FTGTBG Bearing 1/4UJR SST A-C7ER-000
AMAT 3300-03613 FTG HOSE conn 1/2h x 1/2MNPT SST ,          
AMAT 3300-03636 Fitting, FTG TBG RDCR 3/8 X 1/2" SST Swagelok
AMAT 3300-03672 FTG TBGNUT 1/4MVCR 5/8Hex.72"LG SST316
AMAT 3300-03672 FTG TBGNUT 1/4MVCR 5/8Hex.72"LG SST316
AMAT 3300-03901 Fitting Tubing 5/8T, 1/2 MPT, Flare SST
AMAT 3400-01096, Swagelok R1BAD2501B, Hose Barb 1/4 NPT to 1/4 Hos SST 402052
AMAT 3690-01883 SCRCAP SKT HD 10-24 X 5/8L HEX SKT SST SLVR-PLT
AMAT 3690-02131 SCR Cap SKT HD 8-32x1/2L Vent Hex SKT SST SVLRPL
AMAT 3690-04029 SCR CAP SKT HD 8-32 X 3/4L HEX SST, LOT 8,          
AMAT 3700-00629 SEAL ASSY PERLAST WITH SST NW50 CTR RING,          
AMAT 3790-01530 STDF M/F 1/4 Hex x 3/8L SST 6-32THD
AMAT 3880-01024 Washer LKG Split #8 .293OD x .1741D x .040THK SST
AMAT 3880-01155 WSHR FLAT .505 ID X 1.250 OD SST .125 THK,          
AMAT 3880-01643 WSHRSEALING 3/8 .364ID X .666OD SST W/VI,          , LOT 8
AMAT CompactPCI DNP-CPCI-1 SST DeviceNet Interface Board (Compact PCI)
Ametek 316L SST
Ametek, 400 PSI, Tube SST 316, Pressure Gauge
AMPERITE 24D.2-20SST2    24D220SST2
AMPERITE Solid State Timer ST1 Series, 240A.2-20SST1 =
AMPERITE SST1-1A288AD01        SST11A288AD01
AMPERITE SST1-1A288AD01        SST11A288AD01
Applied 147840 Pack of 25 18-8 Stainless Steel Carriage Bolt 5/16 SST          
APPLIED MATERIAL 3300-08884 FTG ELBOW 1.00 FEMALE SWVL SEAL-LOK SST WITH EVL 620
APPLIED MATERIALS (AMAT) 0020-20112 CLAMP RING, 8" SNNF, SST 3.378, AL
APPLIED MATERIALS (AMAT) 0020-20112 CLAMP RING, 8" SNNF, SST 3.378, AL
APPLIED MATERIALS (AMAT) 0021-12759 BRACKET SUPPORT GAS LINES SST HTR 300MM
APPLIED MATERIALS (AMAT) 3190-51001 CHAIN SST
APPLIED MATERIALS (AMAT) 3320-01005 Gasket, Use 3320-()163, VCR 1/4 SST Conto
APPLIED MATERIALS (AMAT) 3320-01005 Gasket, Use 3320-()163, VCR 1/4 SST Conto
Applied Materials 0020-22770 Braket 2/L SST Panel
Applied Materials 3300-01348 Bellow Block Plate FTG Flange Blank Off NW50 SST
APPLIED MATERIALS 3630-01968 SCR MACH PAN HD 4-40 X 1.OL SLOT SST ( LOT OF 5 )
APPLIED MATERIALS 3690-00192 scr shldr 3/8-16x12 odx1-1/2l hex skt sst 18-8 asme
APPLIED MATERIALS 3690-01884 SCRCAP SKT HD 10-24 X 1/2L HEX SKT SST SLVR PLT(X6)
Applied Materials 3690-02667 413407-P4 SCR MACH HEX HD 5/16-18 X 1-1/4L SST
APPLIED MATERIALS 3690-03065 SCR CAP SKT HD 3/8-16X2L HEX SKT SST SLVR-PLT
APPLIED MATERIALS 3690-047731 SCR MACH SHLDR 10-32X.2495 ODX3/4L HEX SKT SST 303
Applied Materials 3700-01088 SEAL CTR RING ASSY NW50 W/VITON ORING SST304
Applied Materials AMAT 3300-03037 FTGPIPE CPLG 1/2NPTF SST Coupling hex          
APTECH AP2600SM 2PW FV4 FV4 PRESSURE REGULATOR SST
AREA LIGHTING RESEARCH SST-PV        SSTPV
AREA LIGHTING RESEARCH SST-PV        SSTPV
Ashcroft Dresser Industries Pressure Switch             316 SST A3 90 INCR PSI
Ashcroft Dresser Industries Pressure Switch             316 SST A3 90 INCR PSI
ASM 1012-644-01 STDF-.375 HEX M5 X .8 X .75 L SST
Augat ACO Communications SST-1 Signal Stretcher Drop Amplifier
B1SC102 10769 482298           Scag 4-3/4" O.D. Drive Pulley 1" I.D. GC-STC GC-SST
Bag of 10 CPC MCD1802SST Female Thread Panel Mount Coupling Bodies
BAG OF 60 SILVER PLATED 304 SS SOCKET HEAD SCREWS 3/8-16 X 1-1/8L SST          
BALL BEARING. Manufacturer: SST, Part Number: 6207
Balluff C04GEL04TY020M Mic 4P M/MFE 2M SST/90 #22 TPE- Lot of 2
BAND-IT GRE043 Ltr Carrier, 3/8 In, Sil, 316 Sst, PK25
BD VACUTAINER 100 SST BLOOD COLLECTION TUBES 8.5mL
BD VACUTAINER 100 SST BLOOD COLLECTION TUBES 8.5mL 06-2016 #367988
BD VACUTAINER PLUS PLASTIC BLOOD COLLECTION TUBES BD SST FREE SHIPPING
BD Vacutainer SST Blood collection
BD VACUTAINER? PLUS PLASTIC BLOOD COLLECTION TUBES (BD SST?) Refcz# 367986
BEA SST Handicap Push And Go Plate, WaterProof Jamb Mount, Model 10PBJ1, 4E4
Brad Communications SST EDN 1 Remote DeviceNet Scanner Ethernet
BRAD COMMUNICATIONS SST-EDN-1 Remote DeviceNet Scanner
Brand           Amphenol 83-13793 D Socket 9 Way Screw Term
Brand           Amphenol 83-13799 Straight Entry 9 Way Socket Kit
Brand           Amphenol 83-13800 Straight Entry 15 Way Socket Kit
Brand           Amphenol 83-13800 Straight Entry 15 Way Socket Kit
Brand           Amphenol Straight Entry 25 Way Socket Kit
Brand           Anerob Llc Sst25211 &213521 Tie Rd/Ball Jnt Sprtr Fork-11/16
Brand           No. 23T4068 Thomas&Betts 143Sst Locknut, SST,1",Steel
Brand           No. 23T4068 Thomas&Betts 143Sst Locknut, SST,1",Steel
BRAND           SST 6204Z SINGLE ROW BALL BEARING 20MM X 47MM X 14MM (8 AVAILABLE)
Brand          : Part Number - SST36VF1601E-70-4I-EKE
Brand          : Part Number - SST36VF1601E-70-4I-EKE
BRILLION SURE STAND GRASS SEEDER SST-144 SSPT-144 PARTS CATALOG 143
Brubaker SST.CO. 3/4" HH4 Lead 4.1 Professional CNC Resharpened Rough End Mill
BTG MCS-1000 MEDIUM CONSISTENCY SAMPLER VALVE, PULP PAPER, SST, NOT WORKING
Cable Crimper, 8" Oal, Steel Toolbasix Wire Strippers and Crimping Tools Steel
CABLEMATIC SST 500A        SST500A
CABLEMATIC SST 500A        SST500A
CAMCO 3/4" Pipe Union 3000 PSI SA182 Gr. 316 SST Socket Weld Lot of 2
CAMCO 3/4" Pipe Union 3000 PSI SA182 Gr. 316 SST Socket Weld Lot of 2
Campbell Thimble,1/16"-1/8",Ss (T7637502) (Includes 10)
Carrier Bryant Payne             HK32EA007 CEBD430524-22A SST-G 30-day warranty
Carrier Bryant Payne             HK32EA007 CEBD430524-22A SST-G 30-day warranty
CAT 551250400 BELT SS T314 B42-27-18 5 WIDE (31) 2 FEET
CH HANSON 42858 Blk Tag, 1-1/2 x 1-1/2 In, Sil, Sst, PK25
CH HANSON 42858 Blk Tag, 1-1/2 x 1-1/2 In, Sil, Sst, PK25
Chandler Engineering Carle 72901-00 1/8" SST 2 Ft Porasil C 80/100 DV Coil
CHECK-ALL VALVE SS 1" Flange Insert CHECK VALVE #1" FIV-15/30-SS-T-1/2 (RW-66)
Chemistry Labels in Blister Packs "SST Tube" Orange with black text 1.625"W...
CHK SST 210-2F2M-B Spring Check Valve, 1/8 In, FNPTxMNPT, SS
CHK SST 210-2F2M-F Spring Check Valve, 1/8 In, FNPTxMNPT, SS
CHK SST 210-2F2M-F Spring Check Valve, 1/8 In, FNPTxMNPT, SS
CHK SST 210-2M2F-B Spring Check Valve, 1/8 In, MNPTxFNPT, SS
CHK SST 210-2M2M-B Spring Check Valve, 1/8 In, MPT, SS
CHK SST 210-2M2M-F Spring Check Valve, 1/8 In, MPT, SS
CHK SST 215-2F2F-F Spring Check Valve, 1/8 In, FNPT, SS
CHK SST 410-4F4M-B Spring Check Valve, 1/4 In, FNPTxMNPT, SS
CHK SST 410-4F4M-F Spring Check Valve, 1/4 In, FNPTxMNPT, SS
CHK SST 410-4M4F-B Spring Check Valve, 1/4 In, MNPTxFNPT, SS