MSM7581 データシートの表示（PDF） - Oki Electric Industry

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MSM7581

ITU-T G.721 4ch ADPCM TRANSCODER

Oki Electric Industry 

¡ Semiconductor

APPLICATION CIRCUIT

MSM7581

8 kHz Synchronous Signal

(Channel 4)

VDD

CODER 4 Side

PCM Intput

DECODER 4 Side

PCM Output

GND

VDD

DECODER 1 Side

PCM Output

CODER 1 Side

PCM Intput

8 kHz Synchronous Signal

(Channel 1)

VDD

76 NC

77 RES4

78 SYRP4

79 SIP4

80 SOP4

81 BCKP4

82 NC

83 SYXP4

84 PAD40

85 PAD41

86 NC

87 PLCKEN

88 VDD

89 GND

90 NC

91 PAD11

92 PAD10

93 SYXP1

94 NC

95 BCKP1

96 SOP1

97 SIP1

98 SYRP1

99 RES1

100 NC

VDD

MSM7581

VDD

NC 50

RES3 49

SYRP3 48

SIP3 47

SOP3 46

BCKP3 45

NC 44

SYXP3 43

PAD30 42

PAD31 41

NC 40

LAW 39

GND 38

VDD 37

NC 36

PAD21 35

PAD20 34

SYXP2 33

NC 32

BCKP2 31

SOP2 30

SIP2 29

SYRP2 28

RES2 27

NC 26

VDD

8 kHz Synchronous Signal

(Channel 3)

VDD

CODER 3 Side

PCM Intput

DECODER 3 Side

PCM Output

VDD

VDD

DECODER 2 Side

PCM Output

CODER 2 Side

PCM Intput

8 kHz Synchronous Signal

(Channel 2)

Shift Clock

(Channel 1 - 4)

64 kHz to 2048 kHz

VDD

0.1 mF

GND

+

10 mF

-

14/18

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