SM5876AM

NIPPON PRECISION CIRCUITS—2

BLOCK DIAGRAM

PIN DESCRIPTION

Number

Name

I/O

Description

1

MLEN

Ip

Microcontroller control latch clock input

2

CKSL

Ip

768fs/384fs clock select. 768fs when HIGH, and 384fs when LOW.

3

CKO

O

Oscillator clock buffer output

4

DVSS

Digital ground pin

5

BCKI

Ip

Data bit clock input pin

6

DI

Ip

Serial data input pin

7

DVDD

Digital supply pin

8

LRCI

Ip

Sample data rate (fs) clock input pin. Left channel when HIGH, and right channel when LOW.

9

TSTN

Ip

Test input pin

10

LO

O

Left-channel analog output (+)

11

AVDDL

Left-channel analog supply pin

12

LON

O

Left-channel analog output (

−)

13

AVSS

Analog ground pin

14

RON

O

Right-channel analog output (

−)

Filter & attenuation

operation block

Noise shaper

operation block

Input interface

PWM data

generation block

Timing

control

LRCI

DI

BCKI

LO

AVSS

RON

MLEN

MCK

MDT

RSTN

CKSL

DVSS

DVDD

TSTN

AVDDL

MUTEO

CKO

XVSS

XTO

XTI

XVDD

AVDDR

LR

LR

L

R

RO

LON

Microcontroller

interface