Arcam-DV139-dvd-sch维修电路原理图.pdf

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1、ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L994_1.1.sch DV137 SERIES PSU Contact Engineer: L994CT 9-Jun-2006 INITIALS Printed:11Sheetof Notes: Contact Tel:(01223) 203270Peter Gaggs A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9QR Waterbeach ARCAM A2 DGND DGND D

2、GND DGND DGND VN35V6 VN35V6VN35V6VN35V6 DGND 115V 115V 6 4 2 1 5 3 7 TX1 Small Toroidal Mains L924TX D1 2KBP02 VN35V6 DGND 1 2 3 4 5 6 CON1 MOLEX 44472 L N E SKT1 BULGIN PX0580 C2 C1C3 3N3 250V CER C4 3N3 250V CER 1 3 4 2 L1 250U SW2A SDDFC30400 SW2B SDDFC30400 1A 1 1B 2A 2 2B 115V230V SW1 18-000-00

3、19 FHLDR2 20mm HLDR FHLDR1 20mm HLDR FS1 T315mA S504 FS2 T315mA S504 VN27V EMC Shield SH1 1 2 3 4 CON5 Amp HD Pwr Con VP5V VP12V DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 CON7 MOLEX 52045 VN27V VN21V5_F1 VN16V_F2 DGNDAGND VP12V VP15V5 VP5V VP3V3 VP3V

4、3 VN15V5 VP5V VP3V3 VP3V3 VP3V3 VP3V3 VP5V SPARE3 SPARE4 AC_PRES* PSU_CLK DGND VP3V3 VP5V SPARE1 SPARE2 C46 470UF 25V YK C39 220UF 16V YXF C54 1000UF 16V YXF C55 1000UF 16V YXF C45 470UF 25V YK C44 470UF 25V YK D4 UF4003 DO-41 C34 1N0100V CER C36 1N0 100V CERC25 100N 100V MKS2 C20 100N 100V MKS2 C22

5、 100N 100V MKS2 C21 100N 100V MKS2 C23 100N 100V MKS2 C26 100N 100V MKS2 C24 100N 100V MKS2 C19 100N 100V MKS2 C18 100N 100V MKS2 R31 10R 0W25 MF R18 10R0W25 MF TR6 BD179 TO-126 R24 33R0W25 MF R5 4K70W25 MF C40 220UF 16V YXF C17 100N 100V MKS2 DZ6 BZX79C 12V DO-35 R11 9K1 0W25 MF R7 6K8 0W25 MF R4 4

6、K70W25 MF R26 68R 0W25 MF R27 2K7 0W25 MF R25 100R 0W25 MF R28 22R 0W25 MF R15 10K 0W25 MF C50 22N100V MKS2 C16 100N 100V MKS2 C56 4N7 100V CER TR8 BC556B TO-92 M1 IRF640N TO-220 C6 100N 100V MKS2 C7 100N 100V MKS2 COMP 1 VFB 2 ISEN 3 RT/CT 4 GND 5 OUT 6 VCC 7 VREF 8 IC1 UC3843AN DIP-8 TR7 BC556B TO

7、-92 DGND TR3 BC546B TO-92 R13 10K 0W25 MF VP5V PSU_CLK C35 1N0100V CER R19 10R0W25 MF C33 1N0100V CER R23 33R0W25 MF AGND C41 470UF 25V YK C9 100N 100V MKS2 C10 100N 100V MKS2 C12 100N 100V MKS2 R20 470R 0W25 MF D2 UF4003 DO-41 C42 470UF 25V YK C13 100N 100V MKS2 D3 UF4003 DO-41 C11 100N 100V MKS2 V

8、P15V5 VN15V5 VN21V5_F1 VN16V_F2 VP5V VP3V3 VP12V VN35V6 R3 4K7 0W25 MF TR2 BC546B TO-92 R6 6K8 0W25 MF C31 22UF 63V YK VP5V DGND AC_PRES* R9 1K00W25 MF TR4 BC546B TO-92 C47 22P 100V N150 DGND R8 1K0 0W25 MF C14 100N 100V MKS2 R10 1K00W25 MF C15 100N 100V MKS2 VN35V6 5V_NFB 3V3_NFB 3V3_NFB 5V_NFB C51

9、 22N 100V MKS2 L6 6U82.1A 8RHT2 L7 6U82.1A 8RHT2 L5 33U 1.17A 8RHT2 L3 33U 1.17A 8RHT2 L4 33U 1.17A 8RHT2 VN35V6 VN35V6 VN21V5_F1 C29 22UF 63V YK MAINS SUPPLY FOR EXT. AUDIO SUPPLY TX C49 22N 100V MKS2 R14 R29 82K0W25 MF NF NFB (To Controller E/A) (NFB From PSU Outputs) GREY 4 DK GREY 3 LT GREY 2 BL

10、UE 1 CON2 WAGO 256 GREY 2 GREY 1 CON4 WAGO 256 GREEN 1 CON3 WAGO 256 GREY WHITE BLACK BLUE R16 47K 0W25 MF C53 1000UF 16V YXF C8 100N 100V MKS2 QTYDESCRIPTIONPART No.NOTESITEM ITEM11Clip For SW Profile HeatsinkF006 ITEM32Fuseholder Cover For 20mm FuseholderF022 ITEM21Sil Pad For TO-220 HS InsulatorF

11、082 ITEM41Blank PCB DV78 PSUL959PB C37 100UF 50V YXF C38 100UF 50V YXF C57 470UF 25V YXF C30 22UF 63V YK C43 470UF 25V YK NF NF 1 2 3 4 5 6 7 8 CON6 AMP CT NF R32 AGND DGND LK2 ITEM51Earth Lead Assy 75MM8M101SAFETY EARTH WIRE FROM IEC INLET SK1 TO METAL CHASSIS L2 LK1 0R0 0W25 MF D5 1N4148 DO-35 1 F

12、IX2 Dia 3.5mm 1 FIX4 Dia 3.5mm 1 FIX5 Dia 3.5mm 7 2 3 16T 16T 22T 14T 10T 8 111 10 9 12 4 41T 41T 5 6 SCR TX2 Ferrite Switch Mode L925TX DGND FD1 FD2 TOOL1 TOOL2 TOOL3 TOOL4 C27 1000UF 63V YK C28 1000UF 63V YK C48 1N0 100V CER TR5 BD179 TO-126 R12 10K 0W25 MF D6 31DQ10 DO-201AD D7 31DQ06 DO-201AD D8

13、 UF5406 DO-201AD R21 470R 0W25 MF C32 470pF 1kV DE DZ4 BZX79C 5V6 DO-35 1 FIX1 Dia 3.5mm 1 FIX3 Dia 3.5mm 1 FIX6 Dia 3.5mm NF NF R17 10R 0W25 MF TR1 BC547B TO-92 DZ1 BZX79C 2V7 DO-35 R1 22K 0W25 MF HS1B SW38-2 10.2C/W NOTE TRANSFORMER TX1 IS MOUNTED ON THE CHASSIS AND CONNECTED TO THE PSU PCB BY CON

14、2,3,4. TX1 IS SHOWN ABOVE FOR CIRCUIT OPERATION NF R33 1K0 0W25 MF USED TO SECURE TRANSFORMER CABLES TO PCB NEAR CON1 NF ITEM72Rivet CopperHP007SRIVETS TO SECURE IEC INLET TO PCB DZ2 BZX79C 10V DO-35 C52 330P 100V N750 R30 0R22 3W SPRX 1.0Production release02/07/03PG05_E171 ITEM61Cable Tie 100MM X 2

15、.5MMF044 DZ3 BZX79C 12V DO-35 DZ5 BZX79C 6V2 DO-35 R22 220R 0W25 MF R2 150R 0W25 MF This board is based on the DV78 series PSU L959AY, but with some different component values for different VFD supply voltages. It uses the same blank PCB NF C5 22N 100V MKS2 1.1Fit C5 for improved conducted emissions

16、09/06/06MJT06_E092 RadioFans.CN 收音机爱 好者资料库 ISSUE DRAWING NO. DRAWING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L110C01 Top Level.Sch DV139 Top Level Contact Engineer: L110CT 20-Oct-2006 INITIALS Printed:113Sheetof Notes: Contact Tel: A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9QR Wat

17、erbeach ARCAM A2 RF RFA RFB RFC ADC_H RFD SPDL_SENSE- RFE SPDL_SENSE+ RFF VC CD_MD DVD_MD CD_LD DVD_LD CD*_DVD TRACK_S SLED_S SPINDLE_S FOCUS_S DRVSB* OPEN CLOSE IN_SW OUT_SW HOME_SW SCART_BLUE SCART_RED SCART_GREEN COMPOSITE TMDS_D2+ TMDS_D2- TMDS_D1+ TMDS_D1- TMDS_D0+ TMDS_D0- TMDS_CK+ TMDS_CK- HD

18、MI_DET DDC_SDA DDC_SCL MCLK_VADDIS ABCLK ALRCLK PCM/DSD0 PCM/DSD1 PCM/DSD2 PCM/DSD3 SPDIF FPDIN FPSEL_SW FPCLK FPSEL_VFD FPDOUT IRRCV RESET* CLK27M_VADDIS MD MC ML_8740_0 ML_8740_1 ML_8740_2 ML_8740_3 595_LATCH HDMI_INT* 595_DATA 595_CLK COMPOSITE_B TRIGGER_IN* MUTE* SDA SCL DSD4 DSD5 SERIAL_RX SERI

19、AL_TX L110C02 Vaddis 8 L110C02 Vaddis 8.Sch DVD_LD DRVSB* CD_LD CD*_DVD CD_MD DVD_MD RFE VC RFF RFB RFA RF RFD RFC FOCUS_S SLED_S TRACK_S SPINDLE_S HOME_SW SPDL_SENSE+ SPDL_SENSE- ADC_H OPEN CLOSE OUT_SW IN_SW L110C03 Front End L110C03 Front End.Sch CLK27M_VADDIS MCLK_VADDIS MCLK_DAC0 MCLK_DAC1 MCLK

20、_DAC2 ABCLK ALRCLK ABCLK_DAC0 ABCLK_DAC1 ALRCLK/DSD0 ALRCLK/DSD2 ALRCLK/DSD4 PSUCLK ABCLK_DAC2 PCM/DSD0 PCM/DSD1 ABCLK_DAC3 PCM/DSD2 PCM_DAC1/DSD1 MCLK_DAC3 ALRCLK_DAC3 PCM_DAC0 PCM_DAC2 PCM/DSD3 PCM_DAC3/DSD3 HDMI_INT* SDA SCL DSD5_DAC3 DSD4 DSD5 595_DATA 595_CLK 595_LATCH GAIN_SCALING 16/9 ENABLE_

21、AV SPDIF_HDMI SERIAL_RX SERIAL_TX L110C04 Clocks & Buffers L110C04 Clocks & Buffers.Sch ALRCLK_DAC3 PCM_DAC3/DSD3 ABCLK_DAC3 MCLK_DAC3 MD MC ML_8740_3 RESET* GAIN_SCALING MUTE* AC_PRES*SCART_LEFT SCART_RIGHT ALRCLK/DSD0 PCM_DAC0 ABCLK_DAC0 MCLK_DAC0 ML_8740_0 PCM_DAC1/DSD1 L110C05 DAC L & R L110C05

22、DAC L & R.Sch ALRCLK/DSD2 PCM_DAC1/DSD1 ABCLK_DAC1 MCLK_DAC1 MD MC ML_8740_1 RESET* ALRCLK/DSD4 PCM_DAC2 ABCLK_DAC2 MCLK_DAC2 ML_8740_2 PCM_DAC3/DSD3 DSD5_DAC3 L110C06 DAC LS RS C SUB L110C06 DAC LS RS C SUB.Sch TMDS_D2+ TMDS_D2- TMDS_D1+ TMDS_D1- TMDS_D0+ TMDS_D0- TMDS_CK+ TMDS_CK- DDC_SCL DDC_SDA

23、HDMI_DET SCART_LEFT SCART_RIGHT ENABLE_AV 16/9 COMPOSITE_B COMPOSITE SCART_RED SCART_GREEN SCART_BLUE REM_BUSP TRIGGER_IN* REM_BUSN L110C07 HDMI 1 SCART Remote L110C07 HDMI 1 SCART Remote.Sch PSUCLKAC_PRES* L110C08 Power L110C08 Power.Sch COMPOSITE_BA VIDB0.7 VIDCLK_ENC VIDCLK_SCALER HSYNC_861B* VSY

24、NC_861B* ENC_RESET* HDMI_RESET* SDA_A SCL_A SERIAL_RX_A SERIAL_TX_A SCALER_RESET* SYSCLK HSYNC_ENC* L110C09 Buffer & PLD L110C09 Buffer & PLD.Sch VIDB0.7 HSYNC_ENC* VSYNC_861B* VIDCLK_ENC SDA_A SCL_A ENC_RESET* COMPOSITE_BA L110C10 Video Encoder L110C10 Video Encoder.Sch HDMI_RESET* SCL_A SDA_A VSYN

25、C_HDMI* RED0.7 HSYNC_HDMI* VIDCLK_HDMI SERIAL_RX_A SERIAL_TX_A GREEN0.7 BLUE0.7 DE_HDMI L110C11 HDMI 2 L110C11 HDMI 2.Sch FRONT END SHEET 3 VADDIS 8 SHEET 2 RF RFA RFB RFC RFD RFE RFF ADC_H SPDL_SENSE- SPDL_SENSE+ CD_MD DVD_MD CD_LD DVD_LD VC CD*_DVD TRACK_S SLED_S SPINDLE_S FOCUS_S OPEN CLOSE IN_SW

26、 OUT_SW HOME_SW DRVSB* PCM/DSD0 PCM/DSD1 PCM/DSD2 PCM/DSD3 ABCLK ALRCLK SPDIF CLK27M_VADDIS MCLK_VADDIS FPDIN FPDOUT FPCLK FPSEL_VFD FPSEL_SW IRRCV HDMI_INT* ENABLE_AV 16/9 SCART_RED SCART_GREEN SCART_BLUE COMPOSITE COMPOSITE_B TRIGGER_IN* TMDS_D2+ TMDS_D2- TMDS_D1+ TMDS_D1- TMDS_D0+ TMDS_D0- TMDS_C

27、K+ TMDS_CK- DDC_SDA DDS_SCL HDMI_DET CLOCKS BUFFERS SHEET 4 HDMI 1 O/P SCART REMOTE IN SHEET 7 REM_BUSP GAIN_SCALING RESET* MD MC ML_8740_0 ML_8740_3 MUTE* PCM_DAC0 PCM_DAC3/DSD3 ABCLK_DAC0 ABCLK_DAC3 ALRCLK/DSD0 ALRCLK_DAC3 MCLK_DAC0 MCLK_DAC3 DAC L,R,Lt,Rt SHEET 5 DAC LS,RS,C,SUB SHEET 6 ML_8740_1

28、 ML_8740_2 RESET* MD MC POWER SHEET 8 PSU_CLK AC_PRES* PCM_DAC1/DSD1 PCM_DAC2 ABCLK_DAC1 ABCLK_DAC2 ALRCLK/DSD2 ALRCLK/DSD4 MCLK_DAC1 MCLK_DAC2 SCART_LEFT SCART_RIGHT VIDB0.7 VIDB0.7 COMPOSITE_BA SDA_A SCL_A ENC_RESET* VIDCLK_ENC DIG VIDEO BUFFER CPLD RS232 SHEET 9 HSYNC_861B* VSYNC_861B* VIDCLK_SCA

29、LER HDMI_RESET* SDA_A SCL_A SNAP-OFF VIDEO SECTION VIDEO ENCODER SHEET 10 HDMI O/P 2 SHEET 11 REM_BUSN ITEM1001Blank PCB DV137 Main BoardL988PB 06_E024PG22/02/05Preliminary BOM release1.0 SPDIF FPDIN FPSEL_SW FPCLK FPSEL_VFD FPDOUT REM_BUSP IRRCV REM_BUSN SPDIF_HDMI L110C12 SPDIF & Front panel inter

30、face L110C12 SPDIF & Front panel interface.Sch SDA SCL SPDIF FRONT PANEL I/F SHEET 12 DSD5_DAC3 DSD4 DSD5 595_DATA 595_CLK 595_LATCH SPDIF_HDMI SERIAL_RX SERIAL_TX SERIAL_RX_A SERIAL_TX_A VIDB0.7 HSYNC_861B* VSYNC_861B* VIDCLK_SCALER SYSCLK SCALER_RESET* SDA_A SCL_A RED0.7 GREEN0.7 BLUE0.7 HSYNC_HDM

31、I* VSYNC_HDMI* DE_HDMI VIDCLK_HDMI Scaler L110C13 Scaler.sch SYSCLK SCALER_RESET* SDA_A SCL_A RED0.7 GREEN0.7 BLUE0.7 HSYNC_HDMI* VSYNC_HDMI* DE_HDMI VIDCLK_HDMI SCALER SHEET 13 HSYNC_ENC* NOTES ON VARIANTS This board is one of 3 variants that all use the same bare PCB (L988PB). The build difference

32、s are: Number of audio channels (2 OR 8) Type of audio DAC (WM8740 OR WM8741) Video section populated/not populated Scaler/HDMI transmitter used (vaddis internal or external devices) Aux audio PSU fitted/not fitted SPDIF transformer fitted/not fitted 06_E029PG14/03/05Modify PSU for WM87412.0 AUDIO C

33、HANNELS AUDIO DAC VIDEO SECTION HDMI AUX PSU DV135 2 WM8740 POPULATED VADDIS NOT FITTED DV137 8 WM8740 POPULATED ABT1010/SI9030 NOT FITTED DV139 8 WM8740 (Not WM8741 currently) NOT POPULATED ON SEPARATE BOARD L102AY FITTED BOARD ASSEMBLY P/NL111AYL988AYL110AY SPDIF TRANSFORMERNOT FITTEDFITTEDFITTED

34、06_E036PG20/03/05Add thermal attach pads to IC2003.0 06_E093MJT12/06/06None to this sheet. Add heatsink to top of Vaddis.3.1 Mark Tweedale marktarcam.co.uk 01223 203210 (direct) 01223 203200 (switch) 06_E159AD/MJT20/10/06DACs now WM8740 + voicing mods3.2 RadioFans.CN 收音机爱 好者资料库 ISSUE DRAWING NO. DRA

35、WING TITLE DATE Filename: ECO No.DESCRIPTION OF CHANGE L110C02 Vaddis 8.Sch DV139 Vaddis 8 Contact Engineer: L110CT 20-Oct-2006 INITIALS Printed:213Sheetof Notes: Contact Tel: A & R Cambridge Ltd. Pembroke Avenue Cambridge CB5 9QR Waterbeach ARCAM A2 DVDLD 215 GNDAFER 216 GNDADC 217 VDDC 218 GPCIO32

36、 219 GNDC 220 ICGPCIO4 221 ICGPCIO5 222 VPPD 223 GPCIO11 224 GNDP 225 ICGPCIO6 226 ICGPCIO7 227 VDD-IP 228 GPCIO4 229 GPCIO15 230 PWMCO2 231 PWMCO3/GPCIO44 232 GNDPWMS 233 PWMCO4 234 VDDPWMS 235 PWMCO5/GPCIO46 236 PWMCO6 237 PWMCO0 238 DUPRD0 239 DUPTD0 240 DUPRD1 241 DUPTD1 242 GPCIO39 243 GPCIO40

37、244 VDDP 245 GPCIO42 246 GPCIO33 247 GPCIO34 248 GPCIO13 249 GPCIO48 250 GPCIO49 251 GPCIO50 252 GPCIO51 253 GPCIO47 254 AOUT0 129 SPDIFIN0/GPCIO65 130 ALRCLK 131 ABCLK 132 GNDP-A2 133 AMCLK 134 VDDP-A2 135 AIN0/GPCIO23 136 VSYNC* 137 HSYNC* 138 GNDP 139 VCLKX2 140 VDDP 141 VID7 142 VID6 143 VID5 14

38、4 VID4 145 GNDC 146 VDDC 147 VID3 148 VID2 149 VID1 150 VID0 151 GPCIO31 152 AOUT5/GPCIO10 153 VDDP 154 GNDP 155 GNDA 156 RESET* 157 VDDA 158 XO 159 GCLKP 160 AHVDD 161 AHGND 162 AGNDP 163 HDTXC- 164 HDTXC+ 165 AVDDP 166 HDTXD0- 167 HDTXD0+ 168 VDDUSB 65 GPCIO52 1 USBDP 66 AOUT4/GPCIO53 2 USBDN 67 G

39、PCIO54 3 GNDUSB 68 GPCIO55 4 RAMADD4 69 GPCIO56 5 RAMADD3 70 GPCIO57 6 RAMADD5 71 GPCIO58 7 RAMADD2 72 GPCIO59 8 RAMADD6 73 GPCIO60 9 VDDP 74 GPCIO17 10 RAMADD1 75 MEMCS1* 11 RAMADD7 76 VDDP 12 RAMADD0 77 MEMAD15 13 GNDP 78 MEMAD16 14 RAMADD8 79 MEMAD14 15 VDDC 80 MEMAD13 16 RAMADD10 81 MEMAD12 17 G

40、NDC 82 MEMDA15 18 RAMADD9 83 MEMAD11 19 VDDP 84 MEMDA7 20 RAMADD11 85 GNDP 21 RAMBA1 86 MEMAD10 22 RAMBA0 87 MEMDA14 23 GNDP 88 MEMAD9 24 RAMCS1* 89 MEMDA6 25 RAMRAS* 90 MEMAD8 26 RAMCAS* 91 MEMDA13 27 VDDP 92 MEMDA5 28 RAMWE* 93 MEMAD20 29 RAMDQM 94 VDDP 30 GNDPCLK 95 MEMDA12 31 PCLK 96 MEMWR* 32 V

41、DDPCLK 97 MEMDA4 33 RAMDAT8 98 VDDC 34 GNDP 99 MEMDA11 35 RAMDAT7 100 MEMDA3 36 RAMDAT9 101 MEMAD19 37 RAMDAT6 102 GNDC 38 VDDP 103 MEMDA10 39 RAMDAT10 104 MEMAD18 40 GNDP 41 MEMDA2 42 MEMAD17 43 MEMDA9 44 MEMAD7 45 MEMDA1 46 MEMAD6 47 MEMDA8 48 MEMAD5 49 VDDP 50 MEMDA0 51 MEMAD4 52 MEMRD* 53 MEMAD3

42、 54 MEMAD2 55 MEMCS0* 56 MEMAD1 57 MEMAD0 58 GNDP 59 VDD-IP 60 VDDP 61 GPCIO61 62 GPCIO62 63 RAMCKE 64 RAMDAT5 105 RAMDAT11 106 GNDP 107 RAMDAT4 108 VDDC 109 RAMDAT12 110 GNDC 111 RAMDAT3 112 VDDP 113 RAMDAT13 114 RAMDAT2 115 RAMDAT14 116 GNDP 117 RAMDAT1 118 RAMDAT15 119 RAMDAT0 120 VDDP 121 GPCIO2

43、0/AIN4 122 GNDP 123 AOUT3 124 SPDIFIN1/GPCIO70 125 SPDIFOUT 126 AOUT2 127 AOUT1 128 AGNDP 169 HDTXD1- 170 HDTXD1+ 171 AVDDP 172 HDTXD2- 173 HDTXD2+ 174 AGNDP 175 HDCSET 176 AGNDC 177 AVDDT18 178 GNDDAC 179 GNDDAC 180 DAC6_CVBS 181 VDDDAC 182 DAC5_C 183 DAC4_Y/G 184 VDDDAC 185 DAC3_Y 186 DAC2_V/R 187

44、 VDDDAC 188 DAC1_U/B 189 RSET 190 GNDDAC 191 GNDDACBS2 192 GPCIO16 255 GNDP 256 RFINP 193 RFINN 194 ADCING 195 ACDINA 196 VDDAFE 197 ADCINB 198 VDDSAFE 199 VDDAFE 200 ADCINC 201 ADCINH 202 ADCIND 203 ADCINJ 204 GNDADC 205 ADCINE 206 ADCINK 207 ADCINF 208 OPUREF 209 BGCAP 210 RESLOAD 211 CD_MD 212 DV

45、DMD 213 CDLD 214 IC200 ZR36888-HLCGS LQFP256 DGND +3V3D+1V8D DQ0 2 VDDQ 3 DQ1 4 DQ2 5 DQ3 7 DQ4 8 VDDQ 9 DQ5 10 DQ6 11 DQ7 13 VDD 27 LDQM 15 WE* 16 CAS* 17 RAS* 18 CS* 19 BA0 20 BA1 21 A10 22 A0 23 A1 24 A2 25 VDD 14 VDDQ 43 VSS 54 VDDQ 49 VDD 1 VSS 28 VSSQ 52 VSSQ 46 VSS 41 A3 26 A4 29 A5 30 A6 31

46、A7 32 A8 33 A9 34 CKE 37 CLK 38 UDQM 39 DQ8 42 DQ9 44 DQ10 45 VSSQ 12 DQ11 47 DQ12 48 DQ13 50 DQ14 51 VSSQ 6 DQ15 53 A11 35 IC204 IC42S16800-6T(G) TSOP-2 54 +3V3D DGND RAMCKE RAMADD4 RAMADD3 RAMADD5 RAMADD2 RAMADD6 RAMADD1 RAMADD7 RAMADD0 RAMADD8 RAMADD10 RAMADD9 RAMADD11 RAMBA1 RAMBA0 RAMCS* RAMRAS

47、* RAMCAS* RAMWE* RAMDQM R23622R PCLK RAMDAT8 RAMDAT7 RAMDAT9 RAMDAT6 RAMDAT10 RAMDAT5 RAMDAT11 RAMDAT4 RAMDAT12 RAMDAT3 RAMDAT13 RAMDAT2 RAMDAT14 RAMDAT1 RAMDAT15 RAMDAT0 RAMCKE PCLK RAMWE* RAMCAS* RAMRAS* RAMCS* RAMBA0 RAMBA1 SDRAM RAMADD11 RAMADD10 RAMADD9 RAMADD8 RAMADD7 RAMADD6 RAMADD5 RAMADD4 R

48、AMADD3 RAMADD2 RAMADD1 RAMADD0 RAMDQM RAMDAT0 RAMDAT1 RAMDAT2 RAMDAT3 RAMDAT4 RAMDAT5 RAMDAT6 RAMDAT7 RAMDAT8 RAMDAT9 RAMDAT10 RAMDAT11 RAMDAT12 RAMDAT13 RAMDAT14 RAMDAT15 VADDIS 8 P245 P246 P247 P248 P249 P250 P251 P252 P253 P254 P255 P256 P257 P258 P259 P260 P261 P262 P263 P264 P265 P281 P280 P279

49、 P278 P277 P276 P275 P274 P273 P272 P271 P266 P267 P268 P269 P270 +3V3D DGND FLASH MEMCS1* MEMADD15 MEMADD16 MEMADD14 MEMADD13 MEMADD12 MEMDAT15 MEMADD11 MEMDAT7 MEMADD10 MEMDAT14 MEMADD9 MEMDAT6 MEMADD8 MEMDAT13 MEMDAT5 MEMADD20 MEMDAT12 MEMWR* MEMDAT4 MEMDAT11 MEMDAT3 MEMADD19 MEMDAT10 MEMADD18 MEMDAT2 MEMADD17 MEMDAT9 MEMADD7 MEMDAT1 MEMADD6 MEMDAT8 MEMADD5 MEMDAT0 MEMADD4 MEMRD* MEMADD3 MEMADD2 MEMCS0* MEMADD1 MEMADD0 +3V3D DGND R205 4K7 0603 R203 1K0 0603 TR200 MMUN2111LT1 SOT-23 1 2 SW200 SDTA-620-N DGND PROGRAM SWITCH MEMADD0 1 2 CON201 1 2 CON200 1 2 CON202 MEMCS0*FLAS