CXD2587 Ver la hoja de datos (PDF) - Sony Semiconductor

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CXD2587

CD Digital Signal Processor with Built-in Digital Servo and DAC

Sony Semiconductor 

CXD2587Q

Pin

No.

Symbol

I/O

Output

values

Description

36 TES1

I

Test pin. Normally, GND.

37 XTSL

I

Crystal selection input. Low when the crystal is 16.9344MHz; high when the

crystal is 33.8688MHz.

38 VC

I

Center voltage input.

39 FE

I

Focus error signal input.

40 SE

I

Sled error signal input.

41 TE

I

Tracking error signal input.

42 CE

I

Center servo analog input.

43 RFDC

I

RF signal input.

44 ADIO

O Analog Test pin. No connected.

45 AVSS0 — — Analog GND.

46 IGEN

I

Operational amplifier constant current input.

47 AVDD0 — — Analog power supply.

48 ASYO O 1, 0 EFM full-swing output. (low = Vss, high = VDD)

49 ASYI

I

Asymmetry comparator voltage input.

50 BIAS

I

Asymmetry circuit constant current input.

51 RFAC

I

EFM signal input.

52 AVSS3 — — Analog GND.

53 CLTV

I

Multiplier VCO1 control voltage input.

54 FILO

O Analog Master PLL filter output. (slave = digital PLL)

55 FILI

I

Master PLL filter input.

56 PCO

O 1, Z, 0 Master PLL charge pump output.

57 AVDD3 — — Analog power supply.

58 VSS

— — Digital GND.

59 VDD

— — Digital power supply.

60 DOUT O 1, 0 Digital Out output.

61 LRCK

O 1, 0 D/A interface. LR clock output f = Fs.

62 PCMD O 1, 0 D/A interface. Serial data output. (two's complement, MSB first)

63 BCK

O 1, 0 D/A interface. Bit clock output.

64 EMPH

O

1, 0

Outputs a high signal when the playback disc has emphasis, and a low

signal when there is no emphasis.

65 XVDD

— — Master clock power supply.

66 XTAI

I

Crystal oscillation circuit input. Master clock is externally input from this pin.

67 XTAO O

Crystal oscillation circuit output.

68 XVSS

— — Master clock GND.

69 AVDD1 — — Analog power supply.

70 AOUT1 O

L ch analog output.

71 AIN1

I

L ch operational amplifier input.

–5–

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