USB2.0???????

1
? ? ? ? ? ?? ? ? ? ? ? ? ? ? ?

• USB2.0???????
• ???2??4A
• ??????? ??
• ?????
• ??U980J118 ???
• ??U980J102 ???
• U980J103 ???
• U980J105 ???
• U980J122 ???
• U980J123 ???

2
? ?

• ??? ??
• ??? ??????
• 2-1 ??????
• 2-2 ???????
• ??? ?????????
• 3-1 ????(????)?????????
• 3-2 ?????????
• 3-3 ?????????
• 3-4 ????????????????
• 3-5 PCB?????????

3

• ??? ??????????????????
• ?????
• 4-1 ??????
• 4-2 ??????
• ??? ??
• ????

4
???.??

• ??PC?NB?????????????????????????????????DJ????
  ???????????????????????????????????????????,??????
  ???????????????,?????USB2.0Hi-speed???????????????
  ,??PC?DJ?studio?????????????,????????pub?????????D
  J????

5
??? ??????

• 2-1 ??????
• 1. ?????
• 2. ?????
• 3. ?????
• 4. ???????
• 5. ?????(???)??
• 6. ?????(Level diagram)??
• 7. ???(??????)??
• 8. ???????
• 9. ???????

6

• 10. PCB ?????
• 11. PCB ??,????,??,??
• 12. ??????
• 13. ???????
• 14. ????,??????
• 15. ??????,??
• 16. ??????
• 17. ??????
• 18.??????

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2-2 ???????
99 ? 9 ? 99 ? 10 ? 99 ? 11 ? 99 ? 12 ? 100 ? 1 ? 100 ? 2 ? 100 ? 3 ? 100 ? 4 ? 100 ? 5 ? 100 ? 6 ? 100 ? 7 ?
1.??????
1.??????
2.????
2.????
3.??,???
3.??,???
4.?????,?????
4.?????,?????
5.?????
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6.PCB???
6.PCB???
7.PCB??,??
7.PCB??,??
8.????
8.????
9.????,????
9.????,????
10.??????,?????????
10.??????,?????????
9
??? ?????????

• 3-1????(????)
• a.??USB2.0 Hi Speed, ??96KHz/24bits ?
• ??
• b.?????(XLR)?????,???????
• ???.(XLR ?????,???????
• Hot(),Cold(-)???(GND),??????,?
• ??????????, ?????????
• ????????, ?????????,?
• ????????) ?
• c.??Line /Phonograph ????
• ?.(Phonograph ??????,?????
• MM(???) ,MC(???)??) ?

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• d.???????, ??????????(?????????????), ????????XLR
  ????DIN 6.3mm(????????) ?
• e.??????????????
• f.???? ???????
• 1.Audio Input ??,???????.
• 2.Pre Gain AMP ????????????, ???
• ?????????????,??????????
• ????.
• 3.A/D Converter ????,??????,?????,
• ??,?????????
• 4.USB2.0 Interface USB2.0???????,????
• ????USB???PC??PC?USB???????.
• 5.D/A Converter ????,??,????,????
• ????????

11
???????
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• 3-2 ????? ???????
• 1.USB Control
• ??Philips ISP1583 USB 2.0 Hi-Speed ?????,
  ??ATMAL MEGA8515 MCU??????????I/O port,
  ?74HC244????,??I/O port.
• 2.????
• ???PMOS FET ???Bipolar??????(?????DC6V
  ????????PC ???),??MOS ????????????. ??DC-DC ??,
  ??????.
• 3.??????
• ?????,??????JRC NJM4580 ??????,???????????????.

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• 4.A/D D/A Converter
• ??NXP UDA1345 Codec, ?????????
• ????ISP1583,????ISP1583???????????.???????????3?
  ??, ???D/A converter????.
• 5.Function MCU
• ??Freescale MC9S08AW32 8bit???,???MEGA8515??????
  ?,?????D/A Converter ???,???LED ?????????????.
• 6.Level Meter
• ??Sanyo LA2284 LED??IC, ??????????,??dB???LED
  ??.
• 7.TPA152
• ??TI TPA152????IC,????????????,??????????????.

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???????
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• 3-3 ????? ???????
• 1.????????????????????,?????????Clipping,
  ?????????????????(Dynamic Range)?????,
  ???????????, ???????????.
• 2.????(Dynamic Range) ?????????????,??????????-8,
  ???????????, ????????????????,??????????-8.
• 3.???? ???????/- 15V ?????, ?????????????POP
  Noise, ??????????????, ??????16V8V-(-8V)/28V(V
  p), ?OPA ??1.5V??diode ?????, ????6.5Vp, ???dBV
  ??20log(6.5/v2)13.25dBV, ??????????????,
  ???clip ???????????.

16

• 4.?????,?????????????????,????1mV10mVrms,???????
  ????,????????, ?PCB Layout ?????????????????,?????
  ?????,????????????????
• 5.A/D,D/A??????A/D ?,?????????????Clip,??????UDA1
  345 ??????????0.5dBV(0dBFS?????????)
  ,??16bit????,???????065535(20log6553696dB)???96
  dB,????D/A ??24bit ?32bit,????A/D
  ??,???????????96dB?????. ?????????0dBFS
  ?????,????clip ??, ?????????????, ????????6dBV
  ???,??A/D ??????6dB?

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???????
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• 3-4 ???(??????) ??????????
• 1.USB2.0 Hi-Speed?? ?????,?????????
• a.ISP1583BS ?USB 2.0 Hi-Speed Controller,????
• Audio digital data ?USB PC ???,??????MCU
• ????DMA(Direct Memory Access???????),??
• ????????
• b.MEGA8515 ?ISP1583BS???MCU, ??DMA ?????,
• ??????????,???????????,???
• ?1??2pin ??????????,?????256fs ,
• ?????88.2KHz,96KHz,???74HC74 ??( /2)??
• ????44.1KHz ?48kKHz ?????,???????
• ???Sample Rate ????.???5??7pin?????
• MCU?UART(RS232??)??,?????MCU ??USB ??
• ???

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• c.74HC244 ?????????,?USB ??(D/D-)???????,??????Di
  sable,???Audio digital port?
• d.74HC4050????????????,??IC ??????????VOH/VOL(???/
  ???)???????????VIH/VIL(???/???)
  ,???????????????????????
• e.74HC4040 ???????????256?,?????LRCK(?????????????
  ,????Sample Rate???) ?

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???USB2.0 Hi-Speed ???
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• 2.???????????, ?????, ?????????
• a.15218(BA15218) IC300A/IC300B ?????(OPA),?PH/LN
  ?????,???????36.3dB ??RIAA??(????????,?1KHz
  level???,???20Hz???20dB,???20KHz???20dB,??????????
  ???,????, ???????????? )?????.?PH/LN?????,OPA
  ???????
• b.2068(NJM2068) IC301A/B,IC302A/B????????(OPA) ,
  ??Balance(???)????,?????CMRR ????????.
  ?MIC/LN1,MIC/LN2 ?????,??26dB ?????.
  ??????,???????. ??PA1/PA2 ?????,??48V????????MIC
  ???

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• c.CAT1117 ????DC LDO ???,???Step down,?????lt????.
  ??3.3V?MCU ?Codec ???
• d.NJM2374AD/AM ?DC-DC switching ???, ????MOSFET
  ?????,??????????,????????.48V?????MIC,/-8V
  ????OPA IC?

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???????????????
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• 3.MCU ?CODEC ??,?????, ?????????
• a.MC9S08AW32(MCU) ???????, ?MEGA8515
  ???????????,??LED ?????????(???10bit ?ADC
  ??Master A/B ?????????Codec ????) ?
• b.74HC595 ?8bit ?????IC,??MCU ??LED
  ???????????,???????LED ????
• c.UDA1345TS ?A/D,D/A ?Codec,????????????(Audio
  digital signal)??ISP1583BS,???ISP1583BS
  ????????????,???MCU ??????????

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???MCU ?CODEC ???
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• 4.LED ?????,?????,?????? ???
• a.LA2284 ???LED ???,?????????LED,?????3dB ?5
  dB??????,?????????????
• b.15218(BA15218) IC407 ?IC408 ???????????CODEC(UDA
  1345TS) ???, ??????14dB ??????,???????????????,
  ?????IC400A/B ?????, ?????????, ?Mon.
  source????????????????(??Codec ???) ,???IC405A/B
  ????????????????????(??Codec ??????) ,
  ?????IC401A/B ?IC406A/B, ?????????????????

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• c.??????, Mon. source ?Mon. Mix. ????????11.7dB
  ???, ???????????????OPA????, ?OPA
  ??????0O,?????????????????????11.7dB, ???????,
  ?????????, ??????11.8dB(?????, ??????11.7dB) ?

28
??? LED ??????
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• 5.?????????,?????,?????????
• a.JK303,JK304 ?CODEC(IC207) ???,JK307A
  ?CODEC(IC208) ???. ???????OPA ?????????????????,??
  ????????????????(???) ,?OPA ?????515ms?????,
  ???????, ????????MUTE ?????, ???C4695(2SC4695)???,
  ????????
• b.IC303A/B ???????, ????????????(?????)
  ,???????180???????
• d.TPA152(IC304/IC305) ????????, ???????DC
  ????32O, ????50mW ???,?????1.26Vrms ???,
  ???????????56mA, ??OPA ????25mA, ??????????IC
  ?????

30
?????????????
31
PCB ??? ???????USB??????????,?????????,????????
?????????
32
????????PCB???
33
???????????
34
????????PCB???
35
???USB??????
36
???USB???PCB???
37
???USB??????
38
???USB???PCB???
39
??? ???????????????????????
???? ???????????PC, ???PC??????????,
????????????,
40
(No Transcript)
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PCB ???
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(No Transcript)
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????
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(No Transcript)
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• 4-1 ??????

• ????
• ?????USB???,?PC ??time code ?????????.
• ?time code ?????????,??USB?,???time code ????PC
  ??Traktor DJ ??, ?????????????
• ????????????.

46
(No Transcript)
47
4-2 ??????

• ????
• Reloop Spin! ??USB???,?time code
  ???????,???????????????.
• Traktor ???????, ?time code ????????????,
  ???????.

48

• 1.??????, Out1/2 ????
• ??, Out3/4 ?????

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• 2. ??time code ??????Channel
• A ?Channel B

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• 3.???????Deck A ?Deck B

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??? ??

• ?????????,????????
• ??? ???????????????
• ??????,????????????
• ???????????????????
• ?????????????,?????
• ???????????????????
• ???????????????????
• ?,????????????????

52
?????

• 1. Intel Hi Speed USB Platform Design Guidelines
  Rev1.0,2000-01
• 2. Universal Serial Bus Specification
  Revision2.0, USB Implementers Forum, Inc.
• 3. ISP1583 Hi-speed Universal Serial Bus
  peripheral controller Rev.03-12 July 2004,
  Philips Electronics N.V. 2000.
• 4. MEGA8515 8bit Microcontroller with 8K Bytes
  In-System Programmable Flash, ATMEL.
• 5. NJM2374 PWM DC/DC Converter, New Japan Radio
  Co.,LTD.
• TPA152 75mW Stereo Audio Power Amplifier, Texas
  Instruments Incorporated.
• 7. BA15218 Dual Operation Amplifier, ROHM.
• 8. MC9S08AW32 8-Bit HCS08 Central Processor Unit,
  Freescale semiconductor, Inc.2005

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• 9. UDA1345 Economy Audio Codec, Philips
  Electronics N.V. 2000.
• 10.74HC595 8-Bit Serial Input/Serial or Parallel
  Output Shift Register with latched 3 State
  Outputs.
• 11.LA2284 5Dot Dual LED Level Meter Driver,
  Unisonic Technologies Co., LTD.
• 12.Reloop DJ Equipment, Germany.
  http//www.reloopdj.com
• 13.American DJ Supply, Inc. http//www.americandj.
  com
• 14.??????????, ????, ????.
• 15.8051????????????, ?????, ????.
• 16.ASIO(Audio stream input output)Steinberg Media
  
• Technologies GmbH, Germany.
• 17.Native Instruments, http//www.native-
• instruments.com