光纤交换机-原理图.pdf

1、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 D D C C B B A A Vi 3 Vo 2 GND 1 D8 LM1117-+1.2V C32 4.7UF C34 4.7UF/16V C33 0.1U Vi 3 Vo 2 GND 1 D3 LM317-3.3V C27 4.7UF R43 200R R44 330R C26 0.1U 1 2 3 4 JP4 4 HEADER 1 2 D5 B340 + CT4 220uF/16V VIN 1 OUT 2 GND 3 FB 4 ON/OFF 5 TP 6 U7 L4978 + C

2、T3 680uF/50V L3 33uH +12V GND 1 RX+ 2 RX- 3 DET 4 VCC_R 5 VCC_T 6 TX- 7 TX+ 8 GND 9 10 10 11 11 HF1 SC3015-02APO +5V +3.3V L2 F.B./NC +3.3V C25 10uF C24 0.1uF R41 0 S M R X 3 S M R X 2 S M R X 1 S M T X 0 S C O N F 1 S M T X 2 S M T X 1 S C O N F 0 S M T X 3 S M R X 0 KS8995MA/ KS8995XA MDI-XDIS 1 G

3、NDA 2 VDDAR 3 RXP1 4 RXM1 5 GNDA 6 TXP1 7 TXM1 8 VDDAT 9 RXP2 10 RXM2 11 GNDA 12 TXP2 13 TXM2 14 GNDA 16 ISET 17 VDDAT 18 RXP3 19 RXM3 20 GNDA 21 TXP3 22 TXM3 23 VDDAT 24 RXP4 25 RXM4 26 GNDA 27 TXP4 28 TXM4 29 GNDA 30 VDDAR 31 RXP5 32 RXM5 33 GNDA 34 TXP5 35 TXM5 36 VDDAT 37 FXSD5(DOUT) 38 FXSD4(AO

4、UT) 39 GNDA 40 VDDAR 41 GNDA 42 VDDAR 43 GNDA 44 MUX1 45 MUX2 46 PWRDN-N 47 RESERVE 48 GNDD 49 VDDC 50 PMTXD3 52 PMTXD2 53 PMTXD1 54 PMTXD0 55 PMTXER 56 PMTXC 57 GNDD 58 VDDIO 59 PMRXC 60 PMRXDV 61 PMRXD3 62 PMRXD2 63 PMRXD1 64 PMXER 66 PCRS 67 PCOL 68 SMTXEN 69 SMTXD3 70 SMTXD2 71 SMTXD1 72 SMTXD0

5、73 SMTXER 74 SMTXC 75 GNDD 76 VDDIO 77 SMRXC 78 SMRXDV 79 SMRXD3 80 SMRXD2 81 SMRXD1 82 SMRXD0 83 SCOL 84 SCONF1 86 SCONF0 87 GNDD 88 VDDC 89 LED5-2 90 LED5-1 91 LED5-0 92 LED4-2 93 LED4-1 94 LED4-0 95 LED3-2 96 LED3-1 97 LED3-0 98 GNDD 99 VDDIO 100 LED2-2 101 LED2-1 102 LED2-0 103 LED1-2 104 LED1-1

6、 105 LED1-0 106 MDC 107 MDIO 108 SPIQ 109 SCL/SPIC 110 SDA/SPID 111 SPIS-N 112 PS1 113 PS0 114 RST-N 115 GNDD 116 VDDC 117 TESTEN 118 SCANEN 119 NC 120 X1 121 X2 122 VDDAP 123 GNDA 124 VDDAR 125 GNDA 126 GNDA 127 TEST2 128 VDDAR 15 PMTXEN 51 PMRXD0 65 SCRS 85 U1 KS8995M/X R17 3.01K 1% R3 1K R2 1K R3

7、5 1K R40 1K +1.8V +1.8V +3.3V +2.5V +1.8V T X 1 P T X 1 M C M T 1 R X 1 M R X 1 P 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 33 34 35 36 37 38 39 40 T1 40SS1041 +2.5V R X P 1 R X M 1 T X P 1 T X M 1 R X P 2 R X M 2 T X P 2 T X M 2 R X P 3 R X M 3 T X P 3 T

8、 X M 3 C9 1000pf/2kv R19 75R GND A G N D G N D L1 75100M C8 1000pf/2kv R14 75R C7 1000pf/2kv R12 75R TX+ A1 TX- A2 RX+ A3 4 A4 5 A5 RX- A6 7 A7 8 A8 SPEED A11 ACT A9 +V2 A12 +V1 A10 TX+ B1 TX- B2 RX+ B3 4 B4 5 B5 RX- B6 7 B7 8 B8 SPEED B11 ACT B9 +V2 B12 +V1 B10 JP5 RJ45-LED_DUAL R10 510R R11 510R L

9、 E D 3 _ 0 L E D 3 _ 2 +3.3V R13 510R R16 510R L E D 2 _ 0 L E D 2 _ 2 +3.3V R20 510R R22 510R L E D 1 _ 0 L E D 1 _ 2 +3.3V L E D 1 _ 0 L E D 1 _ 2 L E D 3 _ 0 L E D 3 _ 2 L E D 2 _ 0 L E D 2 _ 2 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 R15 1K 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 R18 330R 1 1 2 2 3 3 4 4 5 5 6 6

10、 7 7 8 8 R21 330R 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 R34 330R S C R S S C O L S M R X D V S M R X D V _ H B S M T X E N S M T X E N _ H B 1 2 X1 25M C6 18PF C4 18PF Vi 3 Vo 2 GND 1 D9 AMS1117-+1.8V + 1 . 8 V C35 4.7UF C36 4.7UF S M R X D 0 S M R X D 1 S M R X D 2 S M R X D 3 S M T X D 0 S M T X D 1 S M

11、 T X D 2 S M T X D 3 R4 51R C1 0.1UF R X P 1 R X M 1 R X P 2 R X M 2 R X P 3 R X M 3 R5 51R R6 51R R7 51R R8 51R R9 51R C2 0.1UF C3 0.1UF G N D G N D +1.8V TX+ A1 TX- A2 RX+ A3 4 A4 5 A5 RX- A6 7 A7 8 A8 SPEED A11 ACT A9 +V2 A12 +V1 A10 JP6 RJ45_8P Vi 3 Vo 2 GND 1 D6 AMS1117-+2.5V + 2 . 5 V C28 4.7U

12、F C29 4.7UF +2.5V R33 51R C12 0.1UF T X P 1 T X M 1 T X P 2 T X M 2 T X P 3 T X M 3 R32 51R R31 51R R30 51R R29 51R R28 51R C11 0.1UF C10 0.1UF T X 2 P T X 2 M C M T 2 R X 2 M R X 2 P T X 3 P T X 3 M C M T 3 R X 3 M R X 3 P 1A1 2 1Y1 18 1A2 4 1A3 6 1A4 8 2Y2 7 2Y1 9 2Y3 5 2Y4 3 2A1 17 2A2 16 2A3 15

13、2A4 14 1Y3 14 1Y2 16 1Y4 12 OE1 1 OE2 19 VCC 20 GND 10 U6 74LVC244D GND +3V +3.3V +1.2V GND +5V R46 3K D7 LED 1 2 3 4 JP3 4 HEADER 1 2 D1 US3A 1 2 D4 US3A + CT2 680uF/50V GND GND 1 RX+ 2 RX- 3 DET 4 VCC_R 5 VCC_T 6 TX- 7 TX+ 8 GND 9 10 10 11 11 HF2 SC3015-02APO L4 F.B./NC +3.3V C31 10uF C30 0.1uF R4

14、5 0 R X 1 _ P R X 1 _ M T X 2 _ P T X 2 _ M R X 2 _ M R X 2 _ P T X 1 _ P T X 1 _ M T X 1 + T X 1 - T X 2 + T X 2 - R X 2 - R X 1 + R X 2 + R X 1 - C13 0.1UF +2.5V +1.8V +3.3V +1.8V C14 0.1UF C18 0.1UF C19 0.1UF C20 0.1UF C21 0.1UF C22 0.1UF C23 0.1UF C15 0.1UF C16 0.1UF C17 0.1UF +3.3V GND +5V +3.3

15、V F I B E R 1 _ D E T F I B E R 2 _ D E T R42 510R TX+ A1 TX- A2 RX+ A3 4 A4 5 A5 RX- A6 7 A7 8 A8 U2 RJ45 1 2 3 4 5 10 9 8 7 6 S1 SW DIP-5 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 JP2 2.54mmPitch_10*2 接口排针2 接口排针1 1 1 2 2 3 3 4 4 5 5 6 6 7

16、 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 JP1 2.54mmPitch_12*2 S M T X E N S M R X D 0 S M R X D 1 S M R X D 2 S M R X D 3 S M T X D 0 S M T X D 1 S M T X D 2 S M T X D 3 P W R 1 _ L E D P W R 2 _ L E D +12V +12V S M R X D V GND D B G _ T X

17、D B G _ R X M I I _ C S GND O M 0 O M 1 O M 2 O M 3 O M 4 +3.3V U10 Optoisolator1 U12 Optoisolator1 1 2 3 U11A SN74AHCT32N (14) R26 10K R27 10K R23 10K R25 10K R24 3K R36 10K R38 100K R37 10K R39 100K +5V +12V +12V D B G _ R X _ 2 3 2 D B G _ T X _ 2 3 2 U3 RL-TX2/3V D2 1N914 + CT1 680uF/50V DC_IN R

18、1 1K C5 18PF +3.3V L E D 1 . . 3 光纤1 光纤2 网口1 网口2 网络交换 调试口 电源接口1 电源接口2 电源供应 光纤交换机接口板1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 D D C C B B A A SADDR0 SADDR1 SADDR2 SADDR3 SADDR4 SADDR5 SADDR6 SADDR7 SADDR8 SADDR9 SADDR10 SADDR11 SADDR12 SDATA4 SDATA5 SDATA6 SDATA7 SDATA8 SDATA9 SDATA10 SDA

19、TA11 SDATA12 SDATA0 SDATA1 SDATA2 SDATA3 SDATA14 SDATA15 SDATA13 NAND_DATA0 NAND_DATA1 NAND_DATA2 NAND_DATA3 NAND_DATA4 NAND_DATA5 NAND_DATA6 NAND_DATA7 SADDR0 C12 SADDR1 B13 SADDR2 D12 SADDR3 A13 SADDR4 H12 SADDR5 B12 SADDR6 C11 SADDR7 A11 SADDR8 D11 SADDR9 A10 SADDR10 F11 SADDR11 B10 SADDR12 C10 S

20、ADDR13 A9 SADDR14 D10 SADDR15 B9 SDATA0 A17 SDATA1 D15 SDATA2 B17 SDATA3 G14 SDATA4 C17 SDATA5 D16 SDATA6 A18 SDATA7 D17 SDATA8 B18 SDATA9 B20 SDATA10 A19 SDATA11 C20 SDATA12 B19 SDATA13 C19 SDATA14 C18 SDATA15 E17 SDATA16/GPK0 D20 SDATA17/GPK1 F17 SDATA18/GPK2 E18 SDATA19/GPK3 G15 SDATA20/GPK4 E19

21、SDATA21/GPK5 G17 SDATA22/GPK6 E20 SDATA23/GPK7 H15 SDATA24/GPK8 F18 SDATA25/GPK9 H17 SDATA26/GPK10 F19 SDATA27/GPK11 J14 SDATA28/GPK12 F20 SDATA29/GPK13 J15 SDATA30/GPK14 G20 SDATA31/GPK15 J18 nSCS1 B15 nSCS0 F13 SCKE B14 SCLK A15 nSCLK F12 nSWE D13 nSRAS G12 nSCAS A14 DQS1 F14 DQS0 C14 DQM3/GPA26 D

22、14 DQM2/GPA25 B16 DQM1 C13 DQM0 A16 RSMVAD/GPA24 E4 RSMCLK/GPA23 B1 RSMBWAIT/GPM0 C2 FCLE/GPA17 G4 FALE/GPA18 D2 nFWE/GPA19 H6 nFCE/GPA22 H4 FRnB/GPM1 E3 RADDR0/GPA0 B3 RADDR1 D7 RADDR2 A3 RADDR3 H8 RADDR4 C4 RADDR5 G8 RADDR6 B4 RADDR7 F8 RADDR8 A4 RADDR9 D8 RADDR10 A5 RADDR11 H9 RADDR12 C6 RADDR13

23、G9 RADDR14 B6 RADDR15 F9 RADDR16/GPA1 A6 RADDR17/GPA2 D9 RADDR18/GPA3 C7 RADDR19/GPA4 C9 RADDR20/GPA5 B7 RADDR21/GPA6 H10 RADDR22/GPA7 A7 RADDR23/GPA8 G10 RADDR24/GPA9 C8 RADDR25/RDATA_OEN F10 RDATA0 H2 RDATA1 K6 RDATA2 H3 RDATA3 L7 RDATA4 G1 RDATA5 K7 RDATA6 G2 RDATA7 K8 RDATA8 G3 RDATA9 K4 RDATA10

24、 F1 RDATA11 J6 RDATA12 F2 RDATA13 J4 RDATA14 E1 RDATA15 H7 nRCS0 D5 nRCS1/GPA12 B2 nRCS2/GPA13 D4 nRCS3/GPA14 F4 nRCS4/GPA15 C1 nRCS5/GPA16 G6 nRBE0 C3 nRBE1 F7 nROE D6 nRWE A2 nWAIT D3 nBATT_FLT P18 nRESET M14 nRSTOUT/GPA21 N18 PWR_EN M15 nXBACK/GPB5 U6 nXBREQ/RTCK/GPB6 V4 nXDACK0/I2S0_SDO1/GPB9 W4

25、 nXDREQ0/I2S0_SDO2/GPB10 U5 CLKOUT0/GPH13 V8 CLKOUT1/GPH14 Y7 OM0 R17 OM1 U17 OM2 V19 OM3 U16 OM4 V18 nFRE/GPA20 D1 U3A S3C2440 R9 4.7K +3V_CPU OM0 OM1 OM2 OM3 OM4 SADDR120 SDATA150 NAND_DATA70 1 TP1 T POINT A R7 4.7K R8 100K R10 4.7K +3V_CPU XTIUSB XTIPLL XTOPLL XTIRTC XTORTC XTOUSB XTIUSB XTIRTC X

26、TORTC XTOUSB R23 10K R27 1M C43 1.8nF/5% VD0/GPC8 M3 VD1/GPC9 N7 VD2/GPC10 M2 VD3/GPC11 N8 VD4/GPC12 M1 VD5/GPC13 N6 VD6/GPC14 N1 VD7/GPC15 P6 VD8/GPD0 N2 VD9/GPD1 P7 VD10/GPD2 R4 VD11/GPD3 P1 VD12/GPD4 T3 VD13/GPD5 P2 VD14/GPD6 W2 VD15/GPD7 R1 VD16/GPD8 Y2 VD17/GPD9 R2 VD18/GPD10 W3 VD19/GPD11 T1 V

27、D20/GPD12 V3 VD21/GPD13 U2 VD22/GPD14 U3 VD23/GPD15 V1 SD0_DAT3/GPE10 W15 SD0_DAT2/GPE9 R12 SD0_DAT1/GPE8 Y15 SD0_DAT0/GPE7 U13 SD0_CMD/GPE6 W14 SD0_CLK/GPE5 V13 SD1_DAT0/GPL0 V12 SD1_DAT1/GPL1 W13 SD1_DAT2/GPL2 U12 SD1_DAT3/GPL3 Y14 SD1_CMD/GPL8 Y12 SD1_CLK/GPL9 U11 RGB_LEND/SYS_OE/GPC0 J1 RGB_VCLK

28、/SYS_WE/GPC1 L4 RGB_HSYNC/SYS_CS0/GPC2 K1 RGB_VSYNC/SYS_CS1/GPC3 L2 RGB_VDEN/SYS_RS/GPC4 M4 GPC5 M6 GPC6 L1 GPC7 N4 SS0/GPL13 V11 SPIMISO0/GPE11 W10 SPIMOSI0/GPE12 R10 SPICLK0/GPE13 V10 TXD0/GPH0 P8 RXD0/GPH1 V6 nRTS0/GPH9 W5 nCTS0/GPH8 R7 TXD1/GPH2 V7 RXD1/GPH3 W6 nCTS1/GPH10 R8 nRTS1/GPH11 Y5 TXD2

29、/GPH4 R11 RXD2/GPH5 Y11 TXD3/GPH6/nRTS2 U10 RXD3/GPH7/nCTS2 W11 UCLK/GPH12 Y4 TOUT0/GPB0 T4 TOUT1/GPB1 V2 TOUT2/GPB2 U4 TOUT3/GPB3 W1 TCLK/GPB4 Y3 TMS P19 TDO M13 TDI L17 TCK P20 nTRST L15 IICSDA/GPE15 Y8 IICSCL/GPE14 V9 I2S0_SDO/PCM0_SDO/AC_SDO0/GPE4 N9 I2S0_SDI/PCM0_SDI/AC_SDI0/GPE3 Y10 I2S0_SCLK/

30、PCM0_SCLK/AC_SYNC0/GPE1 Y9 I2S0_LRCK/PCM0_FSYNC/AC_nRESET0/GPE0 R9 I2S0_CDCLK/PCM0_CDCLK/AC_BIT_CLK0/GPE2 P9 EINT0/GPF0 N15 EINT1/GPF1 T18 EINT2/GPF2 P17 EINT3/GPF3 R18 EINT4/GPF4 N17 EINT5/GPF5 U19 EINT6/GPF6 M17 EINT7/GPF7 U20 EINT8/GPG0 K17 EINT9/GPG1 N19 EINT10/GPG2 K15 EINT11/GPG3 N20 EINT12/GP

31、G4 K14 EINT13/GPG5 M20 EINT14/GPG6 K13 EINT15/GPG7 L18 AIN0 Y19 AIN1 U14 AIN2 W18 AIN3 N11 AIN4 Y18 AIN5 P12 AIN6/YM V17 AIN7/YP V14 AIN8/XM W17 AIN9/XP R13 VREF U15 DM_UDEV J20 DP_UDEV H19 DN0 L13 DP0 L14 XI_UDEV K19 XO_UDEV K18 REXT H20 XTIPLL V20 XTOPLL U18 XTIRTC W20 XTORTC T17 EPLLCAP V16 EXTCL

32、K P15 U3B S3C2440 R26 10K C45 15pF C42 15pF R16 10K C44 15pF R17 10K C41 15pF R24 5M R25 44.2R/1% +3V_CPU +1.8V_CPU +3V_CPU 1 1 4 4 Y2 AP091123003 1 1 2 2 3 3 4 4 Y3 MJ-48.000-16-20 1 TP2 T POINT A C19 100nF C18 100nF C3 100nF C7 100nF C24 100nF C33 100nF C10 100nF C13 100nF C29 100nF C16 100nF C5 1

33、00nF C22 100nF C20 100nF C11 100nF C30 100nF C34 100nF C31 100nF C17 100nF C8 100nF C25 100nF C9 100nF C14 100nF C27 100nF C23 100nF C21 100nF C32 100nF C6 100nF C15 100nF C12 100nF C26 100nF C28 100nF C4 100nF +1.8V_CPU VDD_INT +1.8V_CPU VDD_ALIVE +3.3V-M +3V_CPU +3V_M +3V_CPU +1.8V_CPU +3V_CPU +1.

34、8V_CPU VDD_ALIVE +3V-M +1.8V_CPU VDD_INT +1.8V_CPU +3V_CPU R14 0R NAND_DATA0 NAND_DATA1 NAND_DATA2 NAND_DATA3 NAND_DATA4 NAND_DATA5 NAND_DATA6 NAND_DATA7 SADDR3 SADDR11 SADDR4 SADDR8 SADDR6 SADDR0 SADDR2 SADDR9 SADDR10 SADDR1 SADDR12 SADDR7 SADDR5 SDATA9 SDATA5 SDATA1 SDATA10 SDATA12 SDATA6 SDATA7 S

35、DATA2 SDATA15 SDATA14 SDATA4 SDATA13 SDATA3 SDATA8 SDATA11 SDATA0 R2 10K C2 100nF R1 10K C1 100nF R4 4.7K R3 10K A0 M8 A1 M3 A2 M7 A3 N2 A4 N8 A5 N3 A6 N7 A7 P2 A8 P8 A9 P3 A10/AP M2 A11 P7 A12 R2 BA0 L2 BA1 L3 nUDQS A8 DQ0 G8 VREF J2 ODT K9 DQ1 G2 DQ2 H7 DQ3 H3 DQ5 H9 DQ4 H1 DQ6 F1 DQ7 F9 DQ8 C8 DQ

36、9 C2 DQ10 D7 DQ11 D3 DQ12 D1 DQ14 B1 DQ13 D9 DQ15 B9 nCS L8 CKE K2 nWE K3 VSSQ B2 UDQS B7 nCK K8 CK J8 nRAS K7 nCAS L7 VSSQ H8 VSSQ H2 VSSQ A7 VSSQ B8 VSSQ D2 VSSQ D8 VSSQ E7 VSSQ F2 VSSQ F8 VSS P9 VSS N1 VSS J3 VSS E3 VSS A3 VDDQ A9 VDDQ E9 VDDQ G1 VDDQ G9 VDDQ C9 VDDQ G7 VDDQ G3 VDDQ C7 VDDQ C3 VD

37、DQ C1 VDD R1 VDD M9 VDD A1 VDD E1 VDD J9 NC E2 NC A2 NC L1 NC R3 NC R7 NC R8 VDDL J1 VSSDL J7 nLDQS E8 LDQS F7 LDM F3 UDM B3 U9 M12L64164A R5 100K N.C 1 N.C 2 N.C 3 N.C 4 N.C 5 N.C 11 N.C 14 I/O0 29 I/O1 30 I/O2 31 I/O3 32 I/O4 41 I/O5 42 I/O6 43 I/O7 44 CE1 9 CE2 10 WE 18 RE 8 CLE 16 ALE 17 R/B1 7

38、R/B2 6 WP 19 N.C 15 N.C 20 N.C 21 N.C 22 N.C 23 N.C 24 N.C 25 N.C 26 N.C 27 N.C 28 N.C 33 N.C 34 N.C 35 N.C 38 N.C 39 N.C 40 N.C 45 N.C 46 N.C 47 N.C 48 VCC 12 VCC 37 VSS 13 VSS 36 U11 MX29LV320 R6 NC +1.8V-CPU +3V_CPU +3V_CPU +1.8V-CPU 64M SDRAM SADDR120 SDATA150 NAND_DATA70 SADDR14 SADDR15 SADDR14

39、 SADDR15 SADDR3 SADDR11 SADDR4 SADDR8 SADDR6 SADDR0 SADDR2 SADDR9 SADDR10 SADDR1 SADDR12 SADDR7 SADDR5 SDATA9 SDATA5 SDATA1 SDATA10 SDATA12 SDATA6 SDATA7 SDATA2 SDATA15 SDATA14 SDATA4 SDATA13 SDATA3 SDATA8 SDATA11 SDATA0 A0 M8 A1 M3 A2 M7 A3 N2 A4 N8 A5 N3 A6 N7 A7 P2 A8 P8 A9 P3 A10/AP M2 A11 P7 A1

40、2 R2 BA0 L2 BA1 L3 nUDQS A8 DQ0 G8 VREF J2 ODT K9 DQ1 G2 DQ2 H7 DQ3 H3 DQ5 H9 DQ4 H1 DQ6 F1 DQ7 F9 DQ8 C8 DQ9 C2 DQ10 D7 DQ11 D3 DQ12 D1 DQ14 B1 DQ13 D9 DQ15 B9 nCS L8 CKE K2 nWE K3 VSSQ B2 UDQS B7 nCK K8 CK J8 nRAS K7 nCAS L7 VSSQ H8 VSSQ H2 VSSQ A7 VSSQ B8 VSSQ D2 VSSQ D8 VSSQ E7 VSSQ F2 VSSQ F8 V

41、SS P9 VSS N1 VSS J3 VSS E3 VSS A3 VDDQ A9 VDDQ E9 VDDQ G1 VDDQ G9 VDDQ C9 VDDQ G7 VDDQ G3 VDDQ C7 VDDQ C3 VDDQ C1 VDD R1 VDD M9 VDD A1 VDD E1 VDD J9 NC E2 NC A2 NC L1 NC R3 NC R7 NC R8 VDDL J1 VSSDL J7 nLDQS E8 LDQS F7 LDM F3 UDM B3 U10 M12L64164A +1.8V-CPU +1.8V-CPU 64M SDRAM SDATA150 SADDR14 SADDR

42、15 R12 10K R11 10K DQS0 DQS1 DQM0 DQM1 SCLK_N SCLK_P nRAS nCAS nCS0 SCKE nSWE DQS0 DQS1 DQM0 DQM1 SCLK_N SCLK_P nRAS nCAS nCS1 SCKE nSWE DQS0 DQS1 DQM0 DQM1 SCLK_N SCLK_P nRAS nCAS nCS0 SCKE nSWE FCEn FWEn FREn FCLE FALE RnB FCEn FWEn FREn FCLE FALE RnB 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 1

43、1 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 JP1 2.54mmPitch_12*2 SMTXEN SMRXD0 SMRXD1 SMRXD2 SMRXD3 SMTXD0 SMTXD1 SMTXD2 SMTXD3 PWR1_LED PWR2_LED +12V +12V SMRXDV GND DBG_TX DBG_RX 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17

44、 18 18 19 19 20 20 JP2 2.54mmPitch_10*2 +5V-M +5V-M TX1+ TX1- TX2+ TX2- RX2- RX1+ RX2+ RX1- +3.3V-M +3.3V-M FIB1_DET FIB2_DET SMRXD0 SMRXD1 SMRXD2 SMRXD3 SMTXD0 SMTXD1 SMTXD2 SMTXD3 SMTXEN SMRXDV MII_CS MII_CS TX2+ TX2- TX1+ TX1- +5V-M R20 250R D3 LED G 1 2 U1A SN74AHCT14N (14) 3 4 U1B SN74AHCT14N (

45、14) 1 2 3 U2A SN74AHCT32N (14) 1A1 2 1Y1 18 1A2 4 1A3 6 1A4 8 2Y2 7 2Y1 9 2Y3 5 2Y4 3 2A1 17 2A2 16 2A3 15 2A4 14 1Y3 14 1Y2 16 1Y4 12 OE1 1 OE2 19 VCC 20 GND 10 U13 74LVC244D FIBER_DET +5V-M R21 250R D4 LED G GND +3V 1A1 2 1Y1 18 1A2 4 1A3 6 1A4 8 2Y2 7 2Y1 9 2Y3 5 2Y4 3 2A1 17 2A2 16 2A3 15 2A4 14

46、 1Y3 14 1Y2 16 1Y4 12 OE1 1 OE2 19 VCC 20 GND 10 U14 74LVC244D GND +3V-M OUT1 1 OUT2 2 VCC 3 2IN- 4 2IN+ 5 1IN- 6 1IN+ 7 3IN- 8 3IN+ 9 4IN- 10 4IN+ 11 GND 12 OUT4 13 OUT3 14 U15 LC374 RX1+ RX1- FIBER_DET +3V-M RX1_FIBER RX2_FIBER XTIUSB XTOUSB R22 1M C38 15pF C35 15pF 1 1 2 2 3 3 4 4 Y1 MJ-48.000-16

47、-20 DBG_RX DBG_TX GND OM0 OM1 OM2 OM3 OM4 Vi 3 Vo 2 GND 1 D5 LM317-3.3V C37 0.1U 1 2 D7 B340 + CT2 220uF/16V VIN 1 OUT 2 GND 3 FB 4 ON/OFF 5 TP 6 U5 L4978 L1 33uH +12V Vi 3 Vo 2 GND 1 D6 AMS1117-+1.8V C39 4.7UF C40 4.7UF +1.8V-CPU +3V_CPU +5V + CT1 680uF/50V GND +5V-M R18 250R D1 LED G +5V-M R19 250

48、R D2 LED G C36 4.7UF R13 10K R15 0R CPU-A CPU-B CPU-C 存贮器1 存贮器2 主板接口2 主板接口1 电源供应 指示灯2 电源灯1 光纤灯1 电源灯2 光纤交换机主板 Flash VDDIARM J2 VDDIARM K2 VDDIARM V5 VDDIARM N3 VDDIARM W9 VDDIARM R3 VDDIARM W8 VDDI M7 VDDI N14 VDDI J8 VDDI L8 VDDI P10 VDDI J13 VDDI G13 VDDI G11 VDDI/PVGATE B8 VDDALIVE R19 VDDA33T1 G1

49、8 VDDA33T2 G19 VDDI_UDEV J19 VDD_SRAM C5 VDD_SRAM H1 VDD_SRAM F3 VDD_RTC W19 VDD_SD W12 VDD_LCD U1 VDD_OP1 T19 VDD_OP2 Y6 VDD_OP3 M18 VDD_USB_OSC L19 VDD_SDRAM N12 VDD_SDRAM C16 VDD_SDRAM D19 VDD_SDRAM A12 VDD_SDRAM H14 VDD_SDRAM P13 VDDA_ADC R14 VDDA_EPLL Y17 VDDA_MPLL Y16 VSSIARM K3 VSSIARM P4 VSSIARM L3 VSSIARM U7 VSSIARM U8 VSSIARM P3 VSSIARM U9 VSSI N13 VSSI H13 VSSI L6 VSSI N10 VSSI H11 VSSI J7 VSSI M8 VSSI J3 VSSI/PFSOURCE A8 VSSALIVE R20 VSSA33T1 J17 VSSA33T2 H18 VSSIP_UDEV K20 VSSA33C L20 VSS_SRAM B5 VSS_SRAM E2 VSS_SD Y13 VSS_LCD T2 VSS_OP1 T20 VSS_OP2 W7 VSS_SDRAM