CXD2720Q View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXD2720Q

Single-Chip Digital Signal Processor for Karaoke

Sony Semiconductor 

CXD2720Q

Pin

No.

Symbol

36 AIN2

37 AVD2

38 AVD5

39 AO2N

40 AO2P

41 AVS5

42 VSS3

43 VDD1

44 to 52 NC

53 VSS4

54 to 68 NC

69 VSS5

70 VDD2

71 to 79 NC

80 VSS6

81 X768

82 BFOT

83 INVI

84 NC

85 NC

86 SI

87 BCK

88 LRCK

89 XMST

90 VSS7

91 to 98 NC

99 VDD3

100 AVD0

I/O

Description

I CH2 AD converter analog input.

— CH2 AD converter power supply.

— CH2 DA converter power supply.

O CH2 DA converter analog reversed phase output.

O CH2 DA converter analog positive phase output.

— CH2 DA converter GND.

— Digital GND.

— Digital power supply.

Normally open.

— Digital GND.

Normally open.

— Digital GND.

— Digital power supply.

Normally open.

— Digital GND.

I Test input pin. Normally set Low.

O Clock, frequency-divider output (384fs).

I Test pin. Normally set Low.

Normally open.

Normally open.

I 1-sampling 2-channel serial data input.

I/O Serial bit transmission clock for serial input/output data SI and SO.

I/O Sampling frequency clock for serial input/output data SI and SO.

I BCK, LRCK master/slave mode switching input. Master mode when Low.

— Digital GND.

Normally open.

— Digital power supply.

— Digital power supply for DRAM.

–4–

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