Pin No.

Pin Name

I/O

Function

 

 

 

 

52

MVCI

I (S)

Clock input from an external VCO (Fixed at “L”)

 

 

 

 

53

ASYO

O

Playback EFM duplex signal output

 

 

 

 

54

ASYI

I (A)

Playback EFM comparator slice level input

 

 

 

 

55

AVDD

+3V power supply (Analog)

 

 

 

 

56

BIAS

I (A)

Playback EFM comparator bias current input

 

 

 

 

57

RFI

I (A)

Playback EFM RF signal input

 

 

 

 

58

AVSS

Ground (Analog)

 

 

 

 

59

PCO

O (3)

Phase comparison output for the recording/playback EFM master PLL

 

 

 

 

60

FILI

I (A)

Filter input for the recording/playback EFM master PLL

 

 

 

 

61

FILO

O (A)

Filter output for the recording/playback EFM master PLL

 

 

 

 

62

CLTV

I (A)

Internal VCO control voltage input for the recording/playback EFM master PLL

 

 

 

 

63

PEAK

I (A)

Light amount signal peak hold input from the CXA2523AR

 

 

 

 

64

BOTM

I (A)

Light amount signal bottom hold input from the CXA2523AR

 

 

 

 

65

ABCD

I (A)

Light amount signal input from the CXA2523AR

 

 

 

 

66

FE

I (A)

Focus error signal input from the CXA2523AR

 

 

 

 

67

AUX1

I (A)

Auxiliary A/D input

 

 

 

 

68

VC

I (A)

Middle point voltage (+1.5V) input from the CXA2523AR

 

 

 

 

69

ADIO

O (A)

Monitor output of the A/D converter input signal (Not used)

 

 

 

 

70

AVDD

+3V power supply (Analog)

 

 

 

 

71

ADRT

I (A)

A/D converter operational range upper limit voltage input (Fixed at “H”)

 

 

 

 

72

ADRB

I (A)

A/D converter operational range lower limit voltage input (Fixed at “L”)

 

 

 

 

73

AVSS

Ground (Analog)

 

 

 

 

74

SE

I (A)

Sled error signal input from the CXA2523AR

 

 

 

 

75

TE

I (A)

Tracking error signal input from the CXA2523AR

 

 

 

 

76

DCHG

I (A)

Connected to +3V power supply

 

 

 

 

77

APC

I (A)

Error signal input for the laser digital APC (Fixed at “L”)

 

 

 

 

78

ADFG

I (S)

ADIP duplex FM signal input from the CXA2523AR (22.05 ± 1 kHz)

 

 

 

 

79

F0CNT

O

Filter f0 control output to the CXA2523AR

 

 

 

 

80

XLRF

O

Control latch output to the CXA2523AR

 

 

 

 

81

CKRF

O

Control clock output to the CXA2523AR

 

 

 

 

82

DTRF

O

Control data output to the CXA2523AR

83

APCREF

O

Reference PWM output for the laser APC

 

 

 

 

84

TEST0

O

PWM output for the laser digital APC (Not used)

 

 

 

 

85

TRDR

O

Tracking servo drive PWM output (–)

 

 

 

 

86

TFDR

O

Tracking servo drive PWM output (+)

 

 

 

 

87

DVDD

+3V power supply (Digital)

 

 

 

 

88

FFDR

O

Focus servo drive PWM output (+)

 

 

 

 

89

FRDR

O

Focus servo drive PWM output (–)

 

 

 

 

90

FS4

O

176.4 kHz clock signal output (X’tal) (Not used)

 

 

 

 

91

SRDR

O

Sled servo drive PWM output (–)

 

 

 

 

92

SFDR

O

Sled servo drive PWM output (+)

 

 

 

 

93

SPRD

O

Spindle servo drive PWM output (–)

 

 

 

 

94

SPFD

O

Spindle servo drive PWM output (+)

 

 

 

 

95

FGIN

I (S)

Test input (Fixed at “L”)

 

 

 

96 to 98

TEST1 to TEST3

I

 

 

 

 

 

99

DVSS

Ground (Digital)

100

EFMO

O

EFM output when recording

 

 

 

 

Abbreviation

EFM: Eight to Fourteen Modulation

PLL : Phase Locked Loop

VCO: Voltage Controlled Oscillator

51

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Sony MDS-PC3 specifications Mvci