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1、ISSUEDRAWING NO.DRAWING TITLEDATEFilename:ECO No.DESCRIPTION OF CHANGEL992PB.schAV9 HDMI MultiplexContact Engineer:L992PB14-Jan-2010INITIALSPrinted:11SheetofNotes:Contact Tel:(01223) 203200Phil ConnorA & R Cambridge Ltd.Pembroke AvenueCambridge CB5 9QRWaterbeachA1ARCAMDVDAVVCRTapeHOTPLUG to source w
2、ill only go high when : 1.The source is selected AND 2. The HOTPLUG from the TV/Display is highAND 3. The 5V power from the source is highDVD_hotplug_outSat_hotplug_outSat_5v_inDVD_5v_inLP filterC64100P50V0603C65100P50V0603GndGndAV_hotplug_outVCR_hotplug_outVCR_5v_inAV_5v_inC67100P50V0603C66100P50V0
3、603GndGndTape_hotplug_outTape_5v_inLP filterC68100P50V0603GndDisplay/TVHotplug Tape_SDA_inTape_SCL_inChannel SelectS0 S1 S20 0 0 no signal1 0 0 DVD0 1 0 Sat1 1 0 AV0 0 1 VCR1 0 1 Tape Others no signalHDMI spec has weakpullup at sink (47k) and strong pullup at source (1k8)hence resistors belownot-fit
4、ted on SDA, SCL.12IC14A74HC04DSO-1434IC14B74HC04DSO-1489IC14D74HC04DSO-141011IC14E74HC04DSO-141213IC14F74HC04DSO-14VCC14GND7IC14G74HC04DSO-1456IC14C74HC04DSO-14A01A12A23E14E25E36Y015Y114Y213Y312Y411Y510Y69Y77IC20A74HC138DSO-16VCC16GND8IC20B74HC138DSO-16DVD_SCL_inSat_SDA_inAV_SDA_inAV_SCL_inVCR_SDA_i
5、nVCR_SCL_inProvision for extra current, GndGndDVD_CEC_inSat_CEC_inVCR_CEC_inTape_CEC_inAV_CEC_inTMDS_D2+4NC9TMDS_D2-333V3_SUPPLY2TMDS_D1+7GND3NC35TMDS_GND5NC6TMDS_GND34NC32NC12TMDS_D0-27TMDS_BYP37TMDS_CK+13TMDS_D1-305V_SUPPLY1+5V_OUT38TMDS_D0+10NC29TMDS_GND8TMDS_GND31TMDS_GND11TMDS_GND28NC26TMDS_GND
6、14TMDS_GND25TMDS_CK-24NC15CEC_IN16DDC_CLK_IN17DDC_DAT_IN18HOTPLUG_IN19HOTPLUG_OUT20DDC_DAT_OUT21DDC_CLK_OUT22CEC_OUT23GND36IC13CM2020-00TRTSSOP-38Hotplug from DisplayGnd GndGnd+5VDChassis_GndC2410N50V0603C2510N50V0603Chassis_GndChassis_GndC2310N50V0603C2610N50V0603Chassis_GndChassis ground will be a
7、 segment of the PCB ground plane electrically bonded to the outer enclosure but isolated from the signal ground plane. The AV8 will have chassis and signal ground connected through 100R somewhere else.R4100R0W0630603Chassis_GndChassis_GndGndR3100R0W0630603C910N50V0603C1110N50V0603C1310N50V0603C1510N
8、50V0603C5410uF10V1206+3V3DC2010N50V0603C1810N50V0603C5710uF10V1206+5VDGndGndGndC1010N50V0603C1210N50V0603C1410N50V0603C1610N50V0603C5510uF10V1206+3V3DGndC3210N50V0603C3310N50V0603C3410N50V0603C3510N50V0603C5910uF10V1206+3V3DGndC4510N50V0603C4610N50V0603C4710N50V0603C4810N50V0603C6210uF10V1206+3V3DGn
9、dGndGndGndGndGndGndGndGndGndN.B. Hotplug output must satisfy TTL signal thresholds so require HCT family deviceSelect signals are derived from HC logic running 3v3. (HC138 and HC04).SatSat_hotplug_outSat_SDA_inSat_SCL_inGndSat_CEC_inGnd+5VDChassis_GndChassis_GndGndGndC110N50V0603C410N50V0603C2810N50
10、V0603C3010N50V0603DVD_hotplug_outDVD_SDA_inDVD_SCL_inGndDVD_CEC_inGnd+5VDChassis_GndChassis_GndGndGndC210N50V0603C510N50V0603C310N50V0603C610N50V0603AV_hotplug_outAV_SDA_inAV_SCL_inGndAV_CEC_inGnd+5VDChassis_GndChassis_GndGndGndC2710N50V0603C2910N50V0603C3810N50V0603C4110N50V0603VCR_hotplug_outVCR_S
11、DA_inVCR_SCL_inGndVCR_CEC_inGnd+5VDChassis_GndChassis_GndGndGndC3910N50V0603C4210N50V0603C4010N50V0603C4310N50V0603Tape_SDA_inTape_SCL_inGndTape_CEC_inGnd+5VDChassis_GndChassis_GndGndGndC4910N50V0603C5110N50V0603C5010N50V0603C5210N50V0603X04X15X26X37X412X511X610X79EN2A01A116A215V-3D8GND14V+13IC10DG4
12、08LDYSO-16TV_HPlg_inTV_CECTV_HPlg_inTV_CECC4410N50V0603GndC5310N50V0603GndC3110N50V0603GndC710N50V0603GndC810N50V0603GndGnd75mA limitedR2100R0603R1100R0W0630603R5100R0W0630603R7100R0W0630603R8100R0W0630603Since no level shift no rise-time problem at 3v3 threshold.DVD_SDA_inSat_SCL_inTape_hotplug_out
13、DVD_5v_inSat_5v_inAV_5v_inVCR_5v_inTape_5v_inQ09Q17Q26Q35Q43Q52Q64Q713MR11CP10Q812Q914Q1015Q111IC21A74HCT4040DSO-16Channel 0 no data to give blank displayUn-used inputs must be tied to a known state. eg. IN to 3v3 and /IN to 1v6. See datasheet p3.VCC16GND8IC21B74HCT4040DSO-16CP MR Qn_X H L (clear)to
14、ggle L count FE of CPncncncncncncncncncncncncncncncncncncncncncncncncncGndGndGnd2.5v8 mAncncGndGndGndGndGndGndGndGndGndncncncncncncncncnc+5VDGndC74100N16V0603+5VDGndC70100N16V0603+5VDGndC71100N16V0603+5VDGndC73100N16V0603+5VDGndC72100N16V0603+5VDGndC69100N16V0603C77220P50V0603C78220P50V0603R10100R0W
15、0630603GndGndClearClockGndGndGnd+5VD+5VD+5VDC2110N50V0603C1910N50V0603C5810uF10V1206+3V3DGndGndnfnfnfnfnfnfnfnfnfncncGndC1710N50V0603C5610uF10V1206GndC3710N50V0603C6110uF10V1206GndC3610N50V0603C6010uF10V1206+5VD+5VD+5VD+5VDGndGndC63100P50V0603GndR6100R0W0630603R4610K0W0630603R4510K0W0630603R4410K0W0
16、630603R4310K0W0630603R4210K0W0630603Gnd+5v1Gnd+3v3+3v3Gnd12345678CON3AMPCTR4710K0W0630603R4810K0W0630603Gnd150mA typ800mA typ5v OK5v is OKR1847K0W0630603+5VDR1115K0W0630603GndHotplug 47k - see CM2021 datasheet fig 4.R1747K0W0630603+5VDR1947K0W0630603+5VDR2047K0W0630603+5VDR2147K0W0630603+5VDR1215K0W
17、0630603GndR1415K0W0630603GndR1515K0W0630603GndR1615K0W0630603Gndtracks can be cut if not required.R1315K0W0630603nc - for channel 0 since no hotplug out signalInput Connects to SK903 on L896.10k pull-up is for boot signaling.Connect to Auxillary PSU VLT40-3203Supplying 5v100 mA and 3v3800 mA.Minimum
18、 Loads - 5v1 = 100mA 3v3 = 500mA12345678CON2AMPCTOutput Connects to PLL Board L948, SKT1Pins 2 and 3 go to DGnd on L948.ncncITEM7BLANK PCB AV9 HDMI MUX PCB1BLANK PCB AV9 HDMI MUX PCBL992PB?30*nc (-12v)R3447R2WCFnot fittedX04X15X26X37X412X511X610X79EN2A01A116A215V-3D8GND14V+13IC11DG408LDYSO-16X04X15X
19、26X37X412X511X610X79EN2A01A116A215V-3D8GND14V+13IC12DG408LDYSO-165v_Supply1LV_Supply2Gnd3TMDS_D2+4TMDS_Gnd5TMDS_D2-6TMDS_D1+7TMDS_Gnd8TMDS_D1-9TMDS_D0+10TMDS_Gnd11TMDS_D0-12TMDS_CK+13TMDS_Gnd14TMDS_CK-15CE_Remote_in16DDC_Clk_in17DDC_Dat_in18Hotplug_Det_in19Hotplug_Det_out20DDC_Dat_out21DDC_Clk_out22
20、CE_Remote_out23TMDS_Ck-24TMDS_Gnd25TMDS_Ck+26TMDS_D0-27TMDS_Gnd28TMDS_D0+29TMDS_D1-30TMDS_Gnd31TMDS_D1+32TMDS_D2-33TMDS_Gnd34TMDS_D2+35Gnd36TMDS_BYP37NC38Con. sideCirc. sideIC2CM2021-00TRTSSOP-385v_Supply1LV_Supply2Gnd3TMDS_D2+4TMDS_Gnd5TMDS_D2-6TMDS_D1+7TMDS_Gnd8TMDS_D1-9TMDS_D0+10TMDS_Gnd11TMDS_D0
21、-12TMDS_CK+13TMDS_Gnd14TMDS_CK-15CE_Remote_in16DDC_Clk_in17DDC_Dat_in18Hotplug_Det_in19Hotplug_Det_out20DDC_Dat_out21DDC_Clk_out22CE_Remote_out23TMDS_Ck-24TMDS_Gnd25TMDS_Ck+26TMDS_D0-27TMDS_Gnd28TMDS_D0+29TMDS_D1-30TMDS_Gnd31TMDS_D1+32TMDS_D2-33TMDS_Gnd34TMDS_D2+35Gnd36TMDS_BYP37NC38Con. sideCirc. s
22、ideIC1CM2021-00TRTSSOP-385v_Supply1LV_Supply2Gnd3TMDS_D2+4TMDS_Gnd5TMDS_D2-6TMDS_D1+7TMDS_Gnd8TMDS_D1-9TMDS_D0+10TMDS_Gnd11TMDS_D0-12TMDS_CK+13TMDS_Gnd14TMDS_CK-15CE_Remote_in16DDC_Clk_in17DDC_Dat_in18Hotplug_Det_in19Hotplug_Det_out20DDC_Dat_out21DDC_Clk_out22CE_Remote_out23TMDS_Ck-24TMDS_Gnd25TMDS_
23、Ck+26TMDS_D0-27TMDS_Gnd28TMDS_D0+29TMDS_D1-30TMDS_Gnd31TMDS_D1+32TMDS_D2-33TMDS_Gnd34TMDS_D2+35Gnd36TMDS_BYP37NC38Con. sideCirc. sideIC3CM2021-00TRTSSOP-385v_Supply1LV_Supply2Gnd3TMDS_D2+4TMDS_Gnd5TMDS_D2-6TMDS_D1+7TMDS_Gnd8TMDS_D1-9TMDS_D0+10TMDS_Gnd11TMDS_D0-12TMDS_CK+13TMDS_Gnd14TMDS_CK-15CE_Remo
24、te_in16DDC_Clk_in17DDC_Dat_in18Hotplug_Det_in19Hotplug_Det_out20DDC_Dat_out21DDC_Clk_out22CE_Remote_out23TMDS_Ck-24TMDS_Gnd25TMDS_Ck+26TMDS_D0-27TMDS_Gnd28TMDS_D0+29TMDS_D1-30TMDS_Gnd31TMDS_D1+32TMDS_D2-33TMDS_Gnd34TMDS_D2+35Gnd36TMDS_BYP37NC38Con. sideCirc. sideIC4CM2021-00TRTSSOP-385v_Supply1LV_Su
25、pply2Gnd3TMDS_D2+4TMDS_Gnd5TMDS_D2-6TMDS_D1+7TMDS_Gnd8TMDS_D1-9TMDS_D0+10TMDS_Gnd11TMDS_D0-12TMDS_CK+13TMDS_Gnd14TMDS_CK-15CE_Remote_in16DDC_Clk_in17DDC_Dat_in18Hotplug_Det_in19Hotplug_Det_out20DDC_Dat_out21DDC_Clk_out22CE_Remote_out23TMDS_Ck-24TMDS_Gnd25TMDS_Ck+26TMDS_D0-27TMDS_Gnd28TMDS_D0+29TMDS_
26、D1-30TMDS_Gnd31TMDS_D1+32TMDS_D2-33TMDS_Gnd34TMDS_D2+35Gnd36TMDS_BYP37NC38Con. sideCirc. sideIC5CM2021-00TRTSSOP-38IN51VREF-AC22/IN43VT44IN45NC6/IN37VT38IN39VREF-AC110/IN211VT212IN213/IN114VT115IN116VREF-AC017/IN018VT019IN020SEL021SEL122GND23VCC24Q025/Q026VCC27GND28VCC29Q130/Q131VCC32GND33NC34SEL235
27、/IN736VT737IN738VREF-AC339/IN640VT641IN642/IN543VT544SY58037UMI8:1 MUXPad45IC6SY58037UMISMIN51VREF-AC22/IN43VT44IN45NC6/IN37VT38IN39VREF-AC110/IN211VT212IN213/IN114VT115IN116VREF-AC017/IN018VT019IN020SEL021SEL122GND23VCC24Q025/Q026VCC27GND28VCC29Q130/Q131VCC32GND33NC34SEL235/IN736VT737IN738VREF-AC33
28、9/IN640VT641IN642/IN543VT544SY58037UMI8:1 MUXPad45IC7SY58037UMISMIN51VREF-AC22/IN43VT44IN45NC6/IN37VT38IN39VREF-AC110/IN211VT212IN213/IN114VT115IN116VREF-AC017/IN018VT019IN020SEL021SEL122GND23VCC24Q025/Q026VCC27GND28VCC29Q130/Q131VCC32GND33NC34SEL235/IN736VT737IN738VREF-AC339/IN640VT641IN642/IN543VT
29、544SY58037UMI8:1 MUXPad45IC8SY58037UMISMIN51VREF-AC22/IN43VT44IN45NC6/IN37VT38IN39VREF-AC110/IN211VT212IN213/IN114VT115IN116VREF-AC017/IN018VT019IN020SEL021SEL122GND23VCC24Q025/Q026VCC27GND28VCC29Q130/Q131VCC32GND33NC34SEL235/IN736VT737IN738VREF-AC339/IN640VT641IN642/IN543VT544SY58037UMI8:1 MUXPad45
30、IC9SY58037UMISMGndGndGndGnd05_E130PJC27/6/05Preliminary BOM IssueAD03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1CLK11IC99A74HC374DSO-20VCC20GND10IC99B74HC374DSO-20GndHold time wrt RE of Clk = 5 ns.Setup time wrt RE of Clk =18 ns.RC approx 100 ns74HCT4040 function+5VDGndC99100N16V0603R94
31、70R0W0630603HC374Latch Sequence- Clear and Clock are high- Clear goes low.- 4040 counts FE of Clock.- Clear goes high.- 374 latches counter outputs.- 4040 clears after 100 ns.- Clear maintained high.- Clock maintained high.Data2+1D2_Shield2Data2-3Data1+4D1_Shield5Data1-6Data0+7D0_Shield8Data0-9Clock
32、+10Clk_Shield11Clock-12CEC13n/c14SCL15SDA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT2MOLEX500254Data2+1D2_Shield2Data2-3Data1+4D1_Shield5Data1-6Data0+7D0_Shield8Data0-9Clock+10Clk_Shield11Clock-12CEC13n/c14SCL15SDA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT1MOLEX500254Dat
33、a2+1D2_Shield2Data2-3Data1+4D1_Shield5Data1-6Data0+7D0_Shield8Data0-9Clock+10Clk_Shield11Clock-12CEC13n/c14SCL15SDA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT4MOLEX500254Data2+1D2_Shield2Data2-3Data1+4D1_Shield5Data1-6Data0+7D0_Shield8Data0-9Clock+10Clk_Shield11Clock-12CEC13n/c14SCL15S
34、DA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT5MOLEX500254Data2+1D2_Shield2Data2-3Data1+4D1_Shield5Data1-6Data0+7D0_Shield8Data0-9Clock+10Clk_Shield11Clock-12CEC13n/c14SCL15SDA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT6MOLEX500254Data2+1D2_Shield2Data2-3Data1+4D1_Shield5D
35、ata1-6Data0+7D0_Shield8Data0-9Clock+10Clk_Shield11Clock-12CEC13n/c14SCL15SDA16DDC/CEC Gnd17+5V18H/Plg Detect19SCN22SCN23SCN21SCN20SKT3MOLEX5002541FIX1Dia 3.5mm1FIX2Dia 3.5mm1234ITEM111234ITEM21Chassis_GndChassis_GndChassis_GndncncR521K0 0603R531K0 0603R511K0 0603R501K0 0603R491K0 0603R360R0 1206R370
36、R0 1206R380R0 1206R390R0 1206R22300R 0603R23300R 0603R24300R 0603R25300R 0603R26300R 0603R27300R 0603R28300R 0603R29300R 0603R30300R 0603R31300R 0603R32300R 0603R33300R 0603Ground continuityDecoupling capsC10410N50V0603Gnd+3V3DC10510N50V0603Gnd+3V3DC10610N50V0603Gnd+3V3DC10710N50V0603Gnd+3V3DC10010N
37、50V0603Gnd+3V3DC10110N50V0603Gnd+3V3DC10210N50V0603Gnd+3V3DC10310N50V0603Gnd+3V3DC12010N50V0603GndC12110N50V0603GndC12210N50V0603GndC12310N50V0603GndC12410N50V0603GndC12510N50V0603Gnd123IC17A74HCT08DSO-14456IC17B74HCT08DSO-148910IC17C74HCT08DSO-14111213IC17D74HCT08DSO-14VCC14GND7IC17E74HCT08DSO-1412
38、3IC18A74HCT08DSO-14456IC18B74HCT08DSO-148910IC18C74HCT08DSO-14111213IC18D74HCT08DSO-14VCC14GND7IC18E74HCT08DSO-14123IC19A74HCT08DSO-14456IC19B74HCT08DSO-148910IC19C74HCT08DSO-14111213IC19D74HCT08DSO-14VCC14GND7IC19E74HCT08DSO-1405_E150PJC22/7/05First Prototype (Issue A) manufactureBR99150R0W0630603R
39、98150R0W0630603R93150R0W0630603R92150R0W0630603R95150R0W0630603R94150R0W0630603R97150R0W0630603R96150R0W0630603TOOL1TOOL2TOOL3TOOL4123456Con1Molex41792FD1FD2C14010N50V0603Gnd+3V3DC14110N50V0603Gnd+3V3DC14210N50V0603Gnd+3V3DC14310N50V0603Gnd+3V3DC11210N50V0603Gnd+3V3DC11310N50V0603Gnd+3V3DC11410N50V0
40、603Gnd+3V3DC11510N50V0603Gnd+3V3DC12810N50V0603Gnd+3V3DC12910N50V0603Gnd+3V3DC13010N50V0603Gnd+3V3DC13110N50V0603Gnd+3V3DC14410N50V0603Gnd+3V3DC14510N50V0603Gnd+3V3DC13610N50V0603Gnd+3V3DC13710N50V0603Gnd+3V3DC13810N50V0603Gnd+3V3DC13910N50V0603Gnd+3V3DC13210N50V0603Gnd+3V3DC13310N50V0603Gnd+3V3DC13
41、410N50V0603Gnd+3V3DC13510N50V0603Gnd+3V3DC11610N50V0603Gnd+3V3DC11710N50V0603Gnd+3V3DC11810N50V0603Gnd+3V3DC11910N50V0603Gnd+3V3DC10810N50V0603Gnd+3V3DC10910N50V0603Gnd+3V3DC11010N50V0603Gnd+3V3DC11110N50V0603Gnd+3V3Ddissipation 0.02 wattsnc intendednc intendednc intendednc intendedDZ1BZX84C3V3DZ2BZ
42、X84C3V3DZ3BZX84C3V3GndR89220R 0603R88220R 0603R87220R 0603Vl = 0v8, Vh = 2v, Vmax = 3v3Vl = 1v35, Vh = 3v15, Vmax = 5vVl = 0v6, Vh = 2v4, Vmax = 5vVl = 0v8 , Vh = 2v0+3V3D+3V3D1Production Issue_1 BoardBothnot fittedBothnot fittedBothnot fittedBothnot fitted05_E166PJC16/8/05nc1SCL02SDA03Gnd4EN5SDA16S
43、CL17Vcc8PCA9515ADIC15PCA9515ADSOICnc Gnd+3V3DC75100N16V0603Gnd+5VD+5VDR671K80W0630603R681K80W0630603R4147K0W0630603R5547K0W0630603SDA/SCL pullup - see HDMI spec+5VD+5VDR4047K0W0630603R5447K0W0630603+5VD+5VDR5647K0W0630603R5747K0W0630603+5VD+5VDR5847K0W0630603R5947K0W0630603+5VD+5VDR6047K0W0630603R61
44、47K0W0630603+5VD+5VDR64 0R00603R62 0R00603R65 0R00603R66 0R00603Sat_CEC_inSat_CEC_inSat_CEC_inSat_CEC_inProvides means to common CEC linesR3533R2WCF(internal pullup)NFNFNFNFNFNFNFNFNFNFNFNFR690R00603R630R00603NFNFR70100K0W0630603+5VDC791N050V0603GndC76100N16V 0603GndC22100N16V0603C79, R13 see CM2020 datasheet.P1P2P3P4P7P8P5P6TV_SDATV_SCLTV_SDATV_SCLRadioFans.CN 收音机爱 好者资料库
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