SM6452AM datasheet(3/16 Pages) NPC

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SM6452AM/BM

NIPPON PRECISION CIRCUITS—3

PIN DESCRIPTION

Number

Name

I/O1

1. Ip = input pin with pull-up

A/D 2

2. A = analog, D= digital

Description

AVDD1

–

Analog supply 1

VREF1

Reference voltage source capacitor connection (0.5AVDD1)

AIN1

Channel 1 audio input

AIN2

Channel 2 audio input

AIN3

Channel 3 audio input

AIN4

Channel 4 audio input

AIN5

Channel 5 audio input

AIN6

Channel 6 audio input

AVSS1

–

Analog ground 1

1 0

D V D D

–

Digital supply

MDT (AM)

Microcontroller data input

S D A (BM)

I/O

I2C bus serial data input and ack n owledge (ACK) signal output

1 2

RSTN

System reset input (active L OW -level)

MLEN (AM)

Microcontroller latch enable input

NC (BM)

–

No connection

MCK (AM)

Microcontroller clock input

SCL (BM)

I2C bus clock input

1 5

D V S S

–

Digital ground

1 6

AVSS2

–

Analog ground 2

1 7

A OUT6

Channel 6 audio output

1 8

A OUT5

Channel 5 audio output

1 9

A OUT4

Channel 4 audio output

2 0

A OUT3

Channel 3 audio output

2 1

A OUT2

Channel 2 audio output

2 2

A OUT1

Channel 1 audio output

2 3

VREF2

Reference voltage source capacitor connection (0.5AVDD2)

2 4

AVDD2

–

Analog supply 2

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