R2S15901SP

Rev.1.0 Apr 28, 2005 page 2 of 7

Block Diagram

L/R

Serial

Audio

I/F

Input

RAM

I/F

SRAM

RD

WR

Di

Addr

Do

SDI

LRI

BCKI

L/R

Serial

Audio

I/F

Output

SDO

Contol

BCKI

LRI

Input/Output Configuration

The schematic diagrams of the input and output circuits of the logic section are shown below:

Input pin 1, 2, 3

Input Pin 5, 6

Output Pin 7

VDD

VSS

VDD

VSS

VDD

VSS

31K

31K

H

L