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Interface and Isolation
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Interface and Isolation
Interface and Isolation
Documents RS232/RS485通讯的可靠性问题
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  • INTERFACE AND ISOLATION SUPPORT COMMUNITY
  • Tags List (Interface & Isolation)
  • +General: FAQ
  • +AD5700: FAQ
  • ADG324x: FAQ
  • +ADM2687: FAQ
  • +ADN4695E: FAQ
  • ADuM1100: FAQ
  • +ADUM1200: FAQ
  • ADuM1201: FAQ
  • +ADuM1230: FAQ
  • +ADuM1250: FAQ
  • ADuM1251: FAQ
  • +ADUM1300: FAQ
  • ADuM1301: FAQ
  • +ADUM1400: FAQ
  • +ADUM1401: FAQ
  • +ADuM1402: FAQ
  • ADuM1420: FAQ
  • +ADuM1440: FAQ
  • ADuM1441: FAQ
  • +ADuM144x: FAQ
  • +ADuM2400: FAQ
  • ADuM2401: FAQ
  • ADuM2402: FAQ
  • +ADUM3070: FAQ
  • +ADuM3160: FAQ
  • +ADuM3190: FAQ
  • ADuM3201: FAQ
  • ADuM3220: FAQ
  • ADuM3221: FAQ
  • ADuM3223: FAQ
  • ADuM3440: FAQ
  • ADuM3470: FAQ
  • ADuM3471: FAQ
  • ADuM3480: FAQ
  • ADuM3482: FAQ
  • +ADuM4160: FAQ
  • +ADuM4190: FAQ
  • +ADuM4223: FAQ
  • ADuM4400: FAQ
  • ADuM4472: FAQ
  • +ADuM5000: FAQ
  • +ADUM5010: FAQ
  • ADuM5201: FAQ
  • ADuM5202: FAQ
  • +ADuM5230: FAQ
  • +ADuM5241: FAQ
  • ADuM5400: FAQ
  • ADuM5401: FAQ
  • ADuM5402: FAQ
  • ADuM5403: FAQ
  • ADuM6000: FAQ
  • ADuM6132: FAQ
  • +ADuM620X: FAQ
  • ADuM6400: FAQ
  • ADuM6401: FAQ
  • ADuM6402: FAQ
  • ADuM7234: FAQ
  • +EVAL-CN0313: FAQ
  • +isoPower: FAQ
  • +MLVDS: FAQ
  • +SPIsolator: FAQ
  • +3B01: FAQ
  • +AC1307: FAQ
  • +AD202: FAQ
  • +AD2S75: FAQ
  • +AD5700-1: FAQ
  • +ADBMS6821: FAQ
  • +ADM202: FAQ
  • +ADM202E: FAQ
  • +ADM206: FAQ
  • +ADM2481: FAQ
  • +ADM2483: FAQ
  • +ADM2484E: FAQ
  • +ADM2486: FAQ
  • +ADM2582E: FAQ
  • +ADM2587E: FAQ
  • +ADM2682E: FAQ
  • +ADM2687E: FAQ
  • +ADM3052: FAQ
  • +ADM3053: FAQ
  • +ADM3054: FAQ
  • +ADM3074E: FAQ
  • +ADM3075E: FAQ
  • +ADM3202: FAQ
  • +ADM3251E: FAQ
  • +ADM3252E: FAQ
  • +ADM3260: FAQ
  • +ADM3483: FAQ
  • +ADM3485E: FAQ
  • +ADM3491: FAQ
  • +ADM483E: FAQ
  • +ADM4852: FAQ
  • +ADM485: FAQ
  • +ADN4650: FAQ
  • +ADN4651: FAQ
  • +ADN4690E: FAQ
  • +ADP5585: FAQ
  • +ADP5588: FAQ
  • +ADP5589: FAQ
  • ADuM for >2kV voltage
  • ADuM1100 glitch filter window vs. very narrow pulses
  • +ADUM1100: Different supply voltage
  • +ADUM1201 suitable to work in CAN Bus?
  • ADuM1250 detect levels scale with the supply
  • ADuM1250 failure in hot-swapping application
  • ADuM1250 Side1 minimum levels
  • ADuM1250: tips to reduce power consumtion in a battery application.
  • ADuM1251 max permitted voltage for IEC 61010 reinforced
  • ADuM1251: Flash testing limits
  • ADuM1251: Vol issues with non standard I2C applications
  • ADuM1301 Output current capability
  • ADuM1301: Default output state on power up
  • ADuM1402: Is there any specified or typical jitter performance?
  • ADuM1402: Can it be modified to same configuration as the I2C isolator ADUM1250 ?
  • AduM1402: Tristate outputs
  • +ADUM1402BRWZ: FAQ
  • ADuM1420: Maximum switching frequency is given as 5Mbps in datasheet, should this be 5MHz?
  • +ADUM2250: FAQ
  • ADuM2400 input current test
  • ADuM2400: 12 V digital signal
  • ADuM2401 driving long cable
  • ADuM2401 output driving 2m cable
  • ADUM2401: Common mode voltage
  • +ADUM241D: FAQ
  • +ADUM3160/4160: Can this device be used for USB-IF standard host isolation
  • ADuM3201 solderability
  • +ADUM3210: FAQ
  • +ADUM3211: FAQ
  • +ADUM3220: There is no Junction to Ambient thermal resistance given in datasheet
  • ADuM3223 in H-bridge
  • ADuM3223 vs ADuM3220
  • ADUM3230 at low frequency
  • ADuM3470 efficiency over temperature range
  • ADuM3470 with VDD1>VDDA
  • ADuM3470: thermal derating
  • ADuM3471
  • ADuM3480 datasheet questions/corrections
  • adum3482 optoisolator and power pin permutation query
  • +ADUM4135: FAQ
  • +ADUM4160/ADUM3160: Can these devices support OTG (On The Go) USB?
  • +ADUM4165: FAQ
  • +ADUM4221: FAQ
  • ADuM4223 for safety class II
  • ADuM4472 isolation performance for IEC 60601-1
  • ADuM5000 DC-DC shutdown
  • +ADUM5020: FAQ
  • +ADUM5028: FAQ
  • +ADUM5201: Is it possible to switch the isolated Voltage off, by setting Ve2 to low?
  • ADuM5230 no output voltage (Viso)
  • ADuM5241
  • ADuM5241 overvoltage protection
  • ADuM5241: Application hints for addressing EMC problems in order to pass CE test?
  • ADuM5241: What output impedance can we expect in Z state when Viso is unpowered?
  • ADuM5401: How do I connect PIN 7 (RCout) of ADuM5401 in a standalone application?
  • ADuM5401: Is 1 Mbps the maximum data rate, can this device be used above 1 Mbps?
  • +ADUM5401WCRW vs ADUM5401WCRWZ-1: What is the difference?
  • +ADUM5402: 5V supply disturbed by device's DC/DC converter.
  • +ADUM5403: RCOUT pin connection if not used
  • ADuM54xx and ADuM64xx: Startup Problems
  • ADUM54xx: Can I make parallel connection of devices in a redundancy configuration?
  • ADuM54xx: recommendations on how to put 2 ADUM54xx in parallel?
  • ADuM6000 and RCin/RCsel High Level thresholds
  • +ADUM6132 and capacitive loading of 10nF effect on the device
  • ADuM6400 specs changed
  • ADuM6400: PCN # 11-0188 typo error
  • ADuM6401 and common mode transient immunity
  • ADuM6402 VDDL input pin connection
  • +ADUM7234: Why is maximum output differential voltage only 350V and what happens if it is exceeded?
  • Any condition needs to be met for the state of PIO outputs to remain after 1-Wire connection is removed?
  • Can ADUM3440 be used to provide Isolation from high frequency noise?
  • Can the ADuM1250 drive a 25 metre line?
  • Can you expalin the difference in ESD protection between the ADuM240x and the ADuM440x icoupler parts?
  • CTRL Pins on ADuM3482
  • Difference between ADuM2401 v ADuM4401
  • +DS2406+: FAQ
  • +DS2406P+: FAQ
  • DS2408: FAQ
  • +DS2408S+: FAQ
  • DS2413 8" UNTSTD RAW DIE (A2) SA: FAQ
  • +DS2413P+: FAQ
  • +DS2413Q+T&R: FAQ
  • +DS8500-JND+: FAQ
  • +DS8500-KIT#: FAQ
  • +EVAL-AD5700-1EBZ: FAQ
  • EVAL-ADuM322xEBZ dimensions
  • Generating 3 Voltages with ADuM347x
  • glitch filter width of the ADuM144X family?
  • How to use DS2413 as communcation between TWS earbud & Charger-box
  • I set EN1 and EN2 high to disable the internal refresh and watchdog for lowest operating power. Is DC correctness guaranteed in this state?
  • input voltage levels are recommended?
  • Is ADuM6000 (or ADuM5000) compliant with the USB low power suspend mode current limits?
  • +LT3960: FAQ
  • +LTC4332: FAQ
  • +LTM2884: FAQ
  • +MAX12930BASA+: FAQ
  • +MAX12931: FAQ
  • +MAX13041: FAQ
  • +MAX13050: FAQ
  • +MAX13054AEASA+T: FAQ
  • +MAX13085ECSA+T: FAQ
  • +MAX13089EASD+: FAQ
  • +MAX13089EESD+: FAQ
  • +MAX13235EETP+: FAQ
  • +MAX13235EEUP+: FAQ
  • +MAX13237EETE+: FAQ
  • +MAX13430E: FAQ
  • +MAX13431EETB+: FAQ
  • +MAX13432EETD+T: FAQ
  • +MAX13433EETD+: FAQ
  • +MAX13442EASA+: FAQ
  • +MAX13442ESA: FAQ
  • +MAX13448EESD+: FAQ
  • +MAX13450E: FAQ
  • +MAX13485EESA+: FAQ
  • +MAX13486E: FAQ
  • MAX13487E: FAQ
  • +MAX13487EESA+: FAQ
  • +MAX13488EASA+: FAQ
  • +MAX13488EESA+: FAQ
  • +MAX14130FAEE+T: FAQ
  • +MAX14431BASE+: FAQ
  • +MAX14502: FAQ
  • +MAX14575AETA+: FAQ
  • +MAX14575AL: FAQ
  • +MAX14575BETA+T: FAQ
  • +MAX14578EETE+: FAQ
  • +MAX14642ETA+: FAQ
  • +MAX14644ETA+T: FAQ
  • +MAX14667EKA+: FAQ
  • +MAX14746: FAQ
  • +MAX14747AEWA+: FAQ
  • +MAX14747EWA+T: FAQ
  • MAX14748: FAQ
  • +MAX14748AEWW+: FAQ
  • +MAX14748BEWW+: FAQ
  • MAX14748EWW+: FAQ
  • +MAX14748EWW+T: FAQ
  • +MAX14775EASA+: FAQ
  • +MAX14780EESA+T: FAQ
  • +MAX14783EASA+: FAQ
  • +MAX14783EESA+_T1: FAQ
  • +MAX1480A: FAQ
  • +MAX1480BCPI+: FAQ
  • +MAX1480E: FAQ
  • +MAX14819AATM+: FAQ
  • +MAX14819ATM+T: FAQ
  • +MAX14819A_TM+_A1: FAQ
  • +MAX14819EVKIT#: FAQ
  • +MAX14821: FAQ
  • +MAX14821ETG+: FAQ
  • MAX14824: FAQ
  • +MAX14824EVKIT#: FAQ
  • +MAX14826EVKIT#: FAQ
  • MAX14827: FAQ
  • MAX14827A: FAQ
  • +MAX14827AATG+: FAQ
  • +MAX14827AAWA+T: FAQ
  • +MAX14827A_TG+_A1: FAQ
  • MAX14828: FAQ
  • +MAX14828ATG+: FAQ
  • +MAX14829_TG+_A1: FAQ
  • +MAX14830ETM+: FAQ
  • MAX14841E: FAQ
  • +MAX14841EASA+: FAQ
  • +MAX14842ATE+: FAQ
  • +MAX14850AEE+: FAQ
  • +MAX14851AEE+: FAQ
  • +MAX14851EVKIT#: FAQ
  • +MAX14852GWE+: FAQ
  • +MAX14856GWE+: FAQ
  • MAX14857: FAQ
  • +MAX14857GWE+: FAQ
  • +MAX14858GWE+: FAQ
  • +MAX14859: FAQ
  • +MAX14878AWA+: FAQ
  • +MAX14880AWE+: FAQ
  • +MAX14882AWE+: FAQ
  • MAX14890E: FAQ
  • +MAX14890EATJ+T: FAQ
  • +MAX14890EEVKIT#: FAQ
  • +MAX14891EATP+T: FAQ
  • MAX14900E: FAQ
  • +MAX14900EAGM+CKT: FAQ
  • +MAX14906ATM+T: FAQ
  • +MAX1490A: FAQ
  • MAX14912: FAQ
  • +MAX14912AAKN+: FAQ
  • +MAX14912A_KN+_A1: FAQ
  • +MAX14913EVKIT: FAQ
  • MAX14914: FAQ
  • +MAX14914AATE+: FAQ
  • MAX14915AFM+: FAQ
  • +MAX14915AFM+_T1: FAQ
  • +MAX14915_FM+_B1: FAQ
  • +MAX14916_FM+_B1: FAQ
  • +MAX14917AFM+: FAQ
  • +MAX14919AATP+: FAQ
  • +MAX14919AAUP+: FAQ
  • +MAX14919ATP+: FAQ
  • MAX14930: FAQ
  • +MAX14930AASE+: FAQ
  • +MAX14930FASE+: FAQ
  • +MAX14931: FAQ
  • +MAX14933ASE+: FAQ
  • +MAX14934: FAQ
  • +MAX14940GWE+: FAQ
  • +MAX14942GWE+: FAQ
  • +MAX14943GWE+: FAQ
  • MAX14946: FAQ
  • +MAX14946EWE+: FAQ
  • MAX14949: FAQ
  • +MAX14949EWE+: FAQ
  • +MAX14950CTO+: FAQ
  • +MAX14954ETO+: FAQ
  • +MAX14970: FAQ
  • +MAX14970ETP+: FAQ
  • MAX14986: FAQ
  • +MAX14986ETI+: FAQ
  • +MAX1564ETE+: FAQ
  • MAX17411: FAQ
  • +MAX17411GTM+: FAQ
  • +MAX1823BEUB: FAQ
  • +MAX20025AGXXA/V+: FAQ
  • +MAX20037: FAQ
  • MAX20313: FAQ
  • +MAX20313EWC+: FAQ
  • +MAX20314EWC+: FAQ
  • +MAX20333AENL+: FAQ
  • +MAX20340EVKIT#: FAQ
  • MAX20340EWL+: FAQ
  • +MAX20340EWL+T: FAQ
  • +MAX20356: FAQ
  • +MAX203CPP+G36: FAQ
  • +MAX2079CXE+: FAQ
  • +MAX2082CXD+: FAQ
  • +MAX2082EVKIT#: FAQ
  • +MAX21100: FAQ
  • +MAX22025: FAQ
  • +MAX22088GTG+: FAQ
  • MAX22190ATJ+: FAQ
  • +MAX22190ATJ+T: FAQ
  • MAX22191: FAQ
  • MAX22191AUT+: FAQ
  • +MAX22191AUT+T: FAQ
  • +MAX22191PMB#: FAQ
  • +MAX22195ATJ+: FAQ
  • +MAX22196: FAQ
  • +MAX22216: FAQ
  • +MAX22444BAWE+: FAQ
  • MAX22500E: FAQ
  • +MAX22500EATB+: FAQ
  • MAX22501EASA+: FAQ
  • +MAX22501EASA+T: FAQ
  • +MAX22501EATA+T: FAQ
  • MAX22502E: FAQ
  • +MAX22502EATC+: FAQ
  • MAX22508E Data Sheet Pinout Clarification
  • MAX22508E: FAQ
  • +MAX22513AWJ+: FAQ
  • +MAX22515ATG+: FAQ
  • MAX22518AWA+: FAQ
  • +MAX22518AWA+T: FAQ
  • +MAX232AC/D: FAQ
  • +MAX232ACPE+: FAQ
  • +MAX232AMJE: FAQ
  • +MAX233CPP+G36: FAQ
  • +MAX24101ELU+: FAQ
  • +MAX25432: FAQ
  • +MAX2981: FAQ
  • +MAX2982C/DW: FAQ
  • +MAX2982EVKIT#: FAQ
  • +MAX2982GCD+: FAQ
  • +MAX2982GCD/V+: FAQ
  • +MAX3030ECSE+: FAQ
  • +MAX3033EEUE+: FAQ
  • +MAX3042BCSE+: FAQ
  • MAX3051: FAQ
  • +MAX3051EKA+: FAQ
  • +MAX3051ESA+: FAQ
  • +MAX3053ESA+T: FAQ
  • +MAX3059ASA+: FAQ
  • +MAX3062EEKA#G16: FAQ
  • +MAX3078EESA+T: FAQ
  • +MAX3079EASD+: FAQ
  • +MAX3080: FAQ
  • +MAX3082: FAQ
  • +MAX3083CPD+: FAQ
  • +MAX3086CPD+: FAQ
  • MAX3097E: FAQ
  • +MAX3097E_EE+_A1: FAQ
  • MAX3098E: FAQ
  • +MAX3098EACSE+: FAQ
  • MAX3100: FAQ
  • +MAX3100CEE+: FAQ
  • +MAX3107EAG+: FAQ
  • +MAX3109: FAQ
  • +MAX3120: FAQ
  • +MAX3140CEI+: FAQ
  • +MAX3160CAP+: FAQ
  • MAX3160E: FAQ
  • +MAX3160ECAP+T: FAQ
  • +MAX3181EEUK+: FAQ
  • +MAX31910AUI+: FAQ
  • +MAX31911AUI+: FAQ
  • +MAX31913: FAQ
  • +MAX3221CAE+: FAQ
  • +MAX3221EEAE+: FAQ
  • +MAX3222ECUP+: FAQ
  • +MAX3223CAP: FAQ
  • MAX3223E: FAQ
  • +MAX3223ECUP+: FAQ
  • +MAX3227EAE+: FAQ
  • +MAX3227EEAE/GG8: FAQ
  • +MAX3227EEUE+: FAQ
  • +MAX3232CAE+_T1: FAQ
  • +MAX3232CUE+: FAQ
  • +MAX3232E: FAQ
  • +MAX3232ESE: FAQ
  • MAX3233E: FAQ
  • +MAX3233ECWP+G36: FAQ
  • MAX3243EETI+: FAQ
  • MAX3250: FAQ
  • +MAX3250CAI+: FAQ
  • +MAX3250EAI+: FAQ
  • +MAX3280EAUK+: FAQ
  • +MAX3280EAUK+T: FAQ
  • +MAX3292CSD+_T1: FAQ
  • +MAX3293: FAQ
  • +MAX33041E: FAQ
  • +MAX33046EASA+: FAQ
  • +MAX33053EASA+: FAQ
  • +MAX33054EASA+: FAQ
  • +MAX33072EASA+: FAQ
  • +MAX3314E: FAQ
  • +MAX3318EEAP+: FAQ
  • +MAX3322EEUP: FAQ
  • +MAX33250EELC+: FAQ
  • +MAX3362: FAQ
  • +MAX3387ECUG+: FAQ
  • +MAX3387EEUG+: FAQ
  • MAX3420E: FAQ
  • +MAX3420EECJ+: FAQ
  • MAX3421E: FAQ
  • MAX3421EEHJ+: FAQ
  • +MAX3421EEHJ+T: FAQ
  • +MAX3440E: FAQ
  • +MAX3471: FAQ
  • MAX3483AE: FAQ
  • +MAX3483AEASA+: FAQ
  • MAX3485AE: FAQ
  • +MAX3485AEASA+: FAQ
  • +MAX3486: FAQ
  • MAX3490: FAQ
  • +MAX3490CSA: FAQ
  • +MAX3491CSD+: FAQ
  • +MAX3491EESD+: FAQ
  • MAX3535EEWI+: FAQ
  • +MAX3535EEWI+T: FAQ
  • +MAX3787AWL+: FAQ
  • +MAX3800UHJ+: FAQ
  • +MAX3801UTG+: FAQ
  • +MAX3804ETE+_T1: FAQ
  • +MAX3987ETM+: FAQ
  • +MAX4717: FAQ
  • +MAX4814: FAQ
  • +MAX483E: FAQ
  • MAX485: FAQ
  • +MAX485CPA+: FAQ
  • +MAX485CSA+: FAQ
  • -MAX485ESA+: FAQ
    • Do I need to add pull-up/pull down resistors when using MAX485?
    • Does the MAX485E require pull-up/pull-down resistors on the driver outputs?
    • RS232/RS485通讯的可靠性问题
    • What is the minimum supply voltage for the MAX485?
  • +MAX4888B: FAQ
  • +MAX4889BETO+: FAQ
  • +MAX489: FAQ
  • +MAX491: FAQ
  • +MAX4986CTO+: FAQ
  • +MAX4986ETO+T: FAQ
  • +MAX4995AATA+: FAQ
  • +MAX4995BAUT+: FAQ
  • +MAX7360: FAQ
  • +MAX7360ETL+: FAQ
  • +MAX77301EWA+: FAQ
  • +MAX77751AEFG+: FAQ
  • +MAX77751_FG+_A1: FAQ
  • +MAX77757JEFG440+: FAQ
  • +MAX77860EVKIT#: FAQ
  • MAX77860EWG+: FAQ
  • +MAX77860EWG+T: FAQ
  • +MAX77958AEWV+: FAQ
  • +MAX77958EVKIT-2S3#: FAQ
  • MAX79356: FAQ
  • +MAX79356CAEVK1#: FAQ
  • +MAX79356ECM+: FAQ
  • +MAX79356EVK1#: FAQ
  • +MAX79356SNF#: FAQ
  • +MAX9259DGTN/V+: FAQ
  • MAX9259GCB/V+: FAQ
  • +MAX9259GCB/V+_T1: FAQ
  • +MAX9259GTN/V+T: FAQ
  • MAX9260: FAQ
  • +MAX9260GCB/V+: FAQ
  • +MAX9263: FAQ
  • MAX9271: FAQ
  • +MAX9271GTJ+T: FAQ
  • +MAX9271GTJ/V+: FAQ
  • MAX9272A: FAQ
  • +MAX9272AGTM/V+_T1: FAQ
  • +MAX9273GTL/V+: FAQ
  • MAX9275: FAQ
  • MAX9275DGTN/V+: FAQ
  • +MAX9275DGTN/V+_T1: FAQ
  • +MAX9275GTN+: FAQ
  • +MAX9275GTN/V+: FAQ
  • MAX9276: FAQ
  • +MAX9276AGGN/VY+: FAQ
  • +MAX9276AGTN/V+T: FAQ
  • +MAX9276A_TN/VY+_A1: FAQ
  • MAX9277: FAQ
  • MAX9277DGTM/V+: FAQ
  • +MAX9277DGTM/V+_T1: FAQ
  • +MAX9277GTM/V+T: FAQ
  • +MAX9278AGTM/V+: FAQ
  • +MAX9278BGTM/V+: FAQ
  • +MAX9278_TM/VY+_A1: FAQ
  • +MAX9280AGTN/V+: FAQ
  • +MAX9281DGTM/V+: FAQ
  • +MAX9281GTM/V+: FAQ
  • +MAX9286ATHENA10DB#: FAQ
  • +MAX9286COAXEVKIT#: FAQ
  • MAX9286E: FAQ
  • +MAX9286EGGN+GE_T1: FAQ
  • +MAX9286EGTN+_T1: FAQ
  • +MAX9286FMCDB#: FAQ
  • +MAX9286GGN/VS+: FAQ
  • +MAX9286GGN/VY+T: FAQ
  • +MAX9286GTN+T: FAQ
  • +MAX9286GTN/V+: FAQ
  • +MAX9286_TN+_A1: FAQ
  • MAX9288: FAQ
  • +MAX9288COAXEVKIT#: FAQ
  • MAX9288GGM/VY+: FAQ
  • +MAX9288GGM/VY+T: FAQ
  • +MAX9288GGM/VY+_T1: FAQ
  • +MAX9288GTM+: FAQ
  • MAX9288GTM/V+: FAQ
  • +MAX9288GTM/V+_T1: FAQ
  • +MAX9288_GM/VY+_A1: FAQ
  • +MAX9290COAXEVKIT#: FAQ
  • MAX9291: FAQ
  • +MAX9291BCOAXEVKIT#: FAQ
  • +MAX9291BGTN/V+: FAQ
  • +MAX9291BGTN/VY+: FAQ
  • +MAX9291COAXEVKIT#: FAQ
  • +MAX9291GTN/V+: FAQ
  • +MAX9293BGTN/V+: FAQ
  • +MAX96700GTJ/V+: FAQ
  • +MAX96701AGTG/V+: FAQ
  • MAX96705: FAQ
  • MAX96705AGTG/V+: FAQ
  • +MAX96705AGTG/V+T: FAQ
  • +MAX96705AGTG/V+_T1: FAQ
  • MAX96705AGTJ/V+: FAQ
  • +MAX96705AGTJ/V+T: FAQ
  • +MAX96705GTJ+: FAQ
  • +MAX96705GTJ/V+T: FAQ
  • MAX96706: FAQ
  • +MAX96706COAXEVKIT#: FAQ
  • +MAX96706GTJ+: FAQ
  • +MAX96706GTJ/V+T: FAQ
  • +MAX96707GTG/V+T: FAQ
  • +MAX96708GTJ+: FAQ
  • +MAX96708GTJ/V+T: FAQ
  • +MAX96708GTJ/V+_T1: FAQ
  • +MAX96711GTJ/V+: FAQ
  • +MAXM22510GLH+: FAQ
  • MAXM22511GLH+: FAQ
  • +MAXM22511GLH+T: FAQ
  • MOPP at 250Vrms
  • MTBF/FIT data of ADuM2402
  • Must the EN1 and EN2 pin states match one another?
  • Pullup voltage for port 1 signals diferent from Vdd1
  • Switching regulator with an integrated coil
  • switching regulator with integrated coil
  • WG: ADUM5202 consistent with VDE Norm?
  • What is the frequency content of a GMSL1 link?
  • What is the refresh frequency of the ADuM144X family?
  • What’s the difference between the ADuM1440/41/42 and the ADuM1445/46/47?
  • Where can I find the gerber files for the ADuM4472 evaluation board (EVAL-ADUM4472EBZ)?
  • Why is there a minimum power on slew rate of 400V/ms on ADuM5230?
  • Will there be dual versions of the ADuM144X family

RS232/RS485通讯的可靠性问题

问题:

最近我一直在做通讯可靠性方面的研究,例如我想测试RS232/RS485通讯的可靠性。我一直简单使用电脑通讯口监控通讯命令的发送字节数、接受字节数以及接受字节的错误率,但是这样非常的麻烦。有没有什么样的模块可以自动监控通讯模式下通讯数据的可靠性,当出错时可及时报错,不用人工重复去找错。另外我也想知道是否CAN 通讯模式也可以自动监控。

 

解答:

对于RS232或者RS485器件来讲,没有这样的产品,通常实现错误检测是在软件中来实现的,由于RS232/RS485没有协议层的定义,因此,在软件中实现传输故障检测的方式也是用户自己定义的,比如在数据中增加校验,有的发送完后再添加CRC校验,比如MODBUS协议。如果检测到错误,通知对方接收到错误,可以让对方再次发送,对于CAN协议,由于CAN定义了协议层的东西,可以确保通讯的可靠。

 

 

 

Tags: KA-06470 interface and isolation MAX485E, RS232, RS485 MAX485E
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