I2C1I2C (3)2.1 (4)2.2 (5)3I2C (6)5 (7)6.1 (7)6.2 (8)7 (10)8.1 (10)8.2 (10)8.3 (11)97 (13)10.1 (13)10.1.1 (14)10.1.2 (15)10.1.3 CBUS (16)11 (17)13I/O (26)15.1 (26)15.2 Hs (28)16 (33)17.1 I2C (33)17.2 I2C (34)17.3 (34)17.4 I2C Rp R S (35)17.5 Hs I2C Rp R S (35)18Philips (37)204400kbit/s0~100kbit/s I 2C10241.22.0-1998I 2CHsI 2C2V0.6V 6mAHs13.222672LCDRAMDTMFICPhilips150CMOSI 2CICI 2CI 2CSCL8100kbit/s3.4Mbit/s1I 2CI 2CICICI 2CICIC1 I 2Ca bI 2CP C BI 2CIC SO I 2CICIC ROM3I/OIC4NMOS SDASCLLCD11 I2CI2CA BA BABAAI2C I2C1SCLS DAS C LMICRO -CONTROLLERASTATICRAM OREEPROMLCDDRIVERGATEARRAY ADCMICRO -CONTROLLERB2I2CI2C5I2C100kbit/s3.4Mbit/s13I2C156.1SDA4SCLKN1OUTSCLK INSCLKDATAN1OUT DATA IN DEVICE 1SDA (Serial Data Line)SCL (Serial Clock Line)SCLKN2OUT SCLK INSCLK DATAN2OUT DATA IN DEVICE 2V DDR pR ppull-up resistors3I 2Cdata line stable;data validchange of data allowedSDASCL4 I 2C6.2I 2C S P 5SDASCL15SrSSDA SCLPSTOP conditionSDASCLSSTART condition5公司机密7SCLCBUS10.1.3SDASDA76 I 2C机密7 I2C88C LK1CLK2SCLstart counting8SCL密1014Hs8139DATA1SDADATA 1DATA 2SDASCL9I2C8.3SCL97R/W1PSrA 13A123AAI2C57公司机密12131010.1.110.17LSB1R/W43I2C I2C82142R/W0000 000 00000 000 10000 001 X CBUS0000 010 X0000 011 X0000 1XX X Hs1111 1XX X1111 0XX X 1023I2CB1HSDA SCL0000010000000000117I2C1817S9821Sr7ACKdummy acknowledge (HIGH)start byte 00000001SDASCL18S00000001SDASDASrI 2C80000001XDLEN19CBUSCBUSS P STOP conditionCBUS load pulsen - data bitsCBUS addressSTART conditionR/WbitACK related clock pulseSDASCLDLEN19CBUS100kbit/s7400kbit/sHs10公司机密I 2C100kbit/sHs711210710I 2C710I 2CSDA SCLI 2C13SCL 0~100kbit/sI 2C400kbit/sSDASCLCBUSSDA SCLSDASCLI/OI 2CHsI 2CHsHs13.13.4Mbit/sHsSDAH SCLH1Hs1HsHs1:2Hs1HsF/SSDASCLHsSCLHSDAHHsSDAHSCLHSchmitt20Hs I2CHsI/O>100pFR p HsSCLHMCS(3)SCLH公司机密13.2 HsHsI 2CF/S200001XXXA F/SHs0000 1000AHsAHsSCLHSCLHSCLHSCLH7R/WAAASCLHF/SHs(8-bit DA A/A)= MCS current source pull-up= Rp resistor pull-up22Hs13.3F/S HsF/SI2CS 00001XXX AHsHs SDAH SCLHHsHs SDAH SCLHt H Hst H SCLH1212SDAH SDAHHst1Hs 公司机密13.4Hs23HsF/SF/SHsSDASCLSDA SCL(3)SCL2425HsVDD25VF/SVDD13VVDD1SDAHSDASCLTR1TR1TR2TR1TR2SDASCLVDD2HsSDAHSCLHSDASCLF/S8Hs3.4Mbit/s00001XXX400000XXXF/S公司机密VSSHs-modeSLAVESDAHSCLHVSSHs-modeMASTER/SLAVESDAH SCLHSDASCLRsRsHs-modeSLAVESDAH SCLHV SSR s R sF/S-modeMASTER/SLAVESDASDAHSCLHSDASCLSCLV SSV SSR s R sF/S-modeSLAVESDA SCLV SSR s R sR s R sR sR sV DDV SSHs-modeMASTER/SLAVEV DDV DD1R pR pV DD2R pR p SCLHSDAHMCSMCS(3)(3)(2)(2)(2)(2)(2)(2)(2)(2)(2)(2)(2)(4)(4)(4) (2)(1)(1)BRIDGETR1TR3TR2(1)(2)(4)24Hs F/S3Hs++Hs+Hs++Hs<->Hs 0~3.4Mbit/s 0~3.4Mbit/s 0~3.4Mbit/s -Hs<->0~100kbit/s 0~400kbit/s - -Hs<->0~100kbit/s - 0~100kbit/s - <->0~100kbit/s - - 0~100kbit/s<->0~100kbit/s 0~400kbit/s - 0~100kbit/s<->0~100kbit/s - 0~100kbit/s 0~100kbit/s13.5.1F/S24F/S I2C公司机密25Hs125TR1SDAHSDASCLHSCLTR2SrSCLHSrSCLAASCLHSCLHF/SSCL1祍FSP1SCLHSCLTR3tFSF/S公司机密SDASDAHSDA5t BUFtHSDAHSCLHSDASCL1010107101111XXX7710I2C1111XXX8411111XX I2CS Sr1001081107R/WA1XXXXXXXXA22R/WSr7R/WSr11110XXR/W R/W=111110XX公司机密R/W2930SSr30710114101010公司机密30714.310I2C10H10.1.11000000001H0171010.1.2I/O15.1F/S I2CI/O I2C31I2C100kbit/sI2C8SCLV DDV IL-0.5-0.51.50.3V DDn/a-0.5n/a0.3V DD(1)VV VDD>2VV DD<2VV hysn/an/an/an/a0.05V DD0.1V DD--VV 3mA0.1V DD ~0.9VDDmaxI i -10 10 -10(5)10(5)礎I/OC i-10-10pFI 2C23pF5SDASCLt ft ofR S365I/O SDA SCL5F/SI 2CSDASCL(1)SCL fSCL 0 100 0 400kHzCBUS(10.1.3)I2Ct HD;DAT5.00(2)-3.45(3)-0(2)-0.9(3)祍 祍t SU;DAT 250 - 100(4)-ns SDA SCL t r - 1000 20+0.1C b(5)300 ns SDASCLt f-300 20+0.1C b(5)300 nst SU;STO 4.0 - 0.6 - 祍t BUF 4.7 - 1.3 - 祍C b - 400 - 400 pF V nL 0.1V DD - 0.1V DD - V V nH0.2V DD-0.2V DD-V4SCLV IHmin3SCL4I 2CI 2C 250nsSCL SCLSDAtrmax +t SU;DAT =1000+250=1250nsCb =Hsn/a=31 I 2CF/S15.2 HsHsI 2CI/OHsF/SI 2CSHsR/WSCLHHs7SCLH200ns 100nsSCLH3.4Mbit/s100pF1.7Mbit/sSCLHSDA SCLH 3mA3mASDASDAHSCLSCLHRonH (2)50 - kSCLH(3)400pF SCLH t2C23HsVDDHs SDAH SCLHSCLHVnH0.2V DD- 0.2V DD- V6Cb100~400pF3SCLH1I2CI2C155V10%34510%35300RSSDASCLR p NMOSV DD1R p BiCMOSV DD2CMOSV DD3BIPOLARV DD4= 5 V 10 %DD2 - 4V are device dependent (e.g. 12 V)33I2CSDASCLR p R p CMOS CMOS CMOS CMOSV DD= e.g. 3 V34I2CSDASCLR p CMOSR p CMOS NMOSBIPOLAR5 V 10 %VDD1=V DD2VDD3V DD2,3are device dependent (e.g. 12 V) 35V DD I2CSDASCLR p R pDEVICEV DDI C2R s R sDEVICEV DDI C2R s R s3616.1I2C R p R SI2C33Rp370.1VDD RS RSmax RpRpRp40RpmaxRS040080016001081200642maximum value R()s15 V10 VR p(k )V = 2.5 VDD 5 V38 R S R p010*******20163001284bus capacitance (pF)maximum value R (k )p max. R @ VDD = 5 VSR = 0S39 R pI 2C200204812164080120160total high level input current(A)maximumvalue R p(k )5 V V = 15 V DD2.5 V10 V40R p17.1I 2CI 2C15Miller4tofC bR p5R 120kto input circuit5 pFC1I/ORpC bVDDVSSV pGND T1T2SDA or SCL bus line4217.2I 2CR p3mAV DD =5V10%R pmin =/0.003=1.7k Rp200pFt r300ns43/R p2t rI 2CR SR p2V DDV SSSDA _______________________ V DD _______________________ V SS _______________________ SCL _______________________公司机密VSSSDA _______________________V SS_______________________SCL_______________________SDASCL VDDSCL VSSVDD VSSSDASCL3840tr3944I2C Rp18I/OMOS-FET 1US 5,689,196公司机密I2CHsI2C3.3V5VSDATR1SCL TR2g sdMOS-FET1Rp 3.3VVGSR p5V3.3V 3.3VMOS-FET MOS-FET3.3V3MOS-FETVGS MOS-FET5V13.3V V DD15V V DD22V V DD110V V DD2V DD2VDD119LEDSRAMAD/DAOM4160/490CE201Microcore-411I 2COM1022PC I 2CIBMPCPF8681 I 2C12IC01: Semiconductors for Radio, Audio and CD/DVD Systems 9397 750 02453 IC02: Semiconductors for Television and Video Systems 9397 750 01989 IC03: Semiconductors for Wired Telecom Systems (parts a & b) 9397 750 00839, 9397 750 00811 IC12: I 2C Peripherals9397 750 01647 IC14: 8048-based 8-bit microcontrollers9398 652 40011 IC17: Semiconductors for wireless communications 9397 750 01002 IC18: Semiconductors for in-car electronics 9397 750 00418 IC19: ICs for data communications 9397 750 00138 IC20: 80C51-based 8-bit microcontrollers + Application notes and Development tools9397 750 00963IC22: Multimedia ICs9397 750 02183公司机密13///Can you make the distance... with I 2C-bus (information about the P82B715 I 2C-bus extender IC)9397 750 00008 I 2C-bus multi-master & single-master controller kits 9397 750 00953 Desktop video (CD-ROM)9397 750 00644 80C51 core instructions quick reference 9398 510 76011 80C51 microcontroller selection guide9397 750 01587 OM5027 I 2C-bus evaluation board for low-voltage, low-power ICs & software 9398 706 98011 P90CL301 I 2C driver routinesAN94078 User manual of Microsoft Pascal I 2C-bus driver (MICDRV4.OBJ) ETV/IR8833 C routines for the PCF8584 AN95068Using the PCF8584 with non-specified timings and other frequently asked questionsAN96040User's guide to I 2C-bus control programsETV8835 The I 2C-bus from theory to practice (book and disk)Author: D. Paret Publisher: Wiley ISBN:0-471-96268-6Bi-directional level shifter for I 2C-bus and other systemsAN97055OM5500 demo kit for the PCF2166 LCD driver and PCD3756A telecom microcontroller9397 750 00954 公司机密。