! NJU26040-16A

- 4 -

Ver.2008-03-06

Table 1 Pin Description

Pin No.

Symbol

I/O

Description

1, 7, 8, 25

VDD

-

Power Supply +3.3V

2

SDA / SDOUT

OD

I

This pin requires a pull-up.

3

SCL / SCK

I

I

4

AD1 / SDIN

I

I

5

AD2 / SSb

I

I

6

RESETb

I

Reset (RESETb=’Low’: DSP Reset)

9, 24, 32

VSS

-

GND

10

CLKOUT

O

OSC Output

11

CLK

I

OSC Clock Input

12

SDI2

I

Audio Data Input 2

13

SDI1

I

Audio Data Input 1

14

SDI0

I

Audio Data Input 0

15

LRI

I

LR Clock Input

16

BCKI

I

Bit Clock Input

17

BCKO

O

Bit Clock Output

18

LRO

O

LR Clock Output

19

SDO0

O

Audio Data Output 0

20

SDO1

O

Audio Data Output 1

21

TEST

O

for Test

(Do not connect)

22

MCK

O

Master Clock Output for A/D, D/A

23, 30, 31

TEST

I -

for Test

(connect to VSS)

26

WDC

I/O +

Watch Dog Clock Output (Open drain output)

27

MUTEb

I/O -

Master Volume level, After Reset DSP ,“1”:0dB, “0”: Mute

28

PROC

I/O -

After Reset DSP, “1”: Normal, “0”: Wait for start command

29

SEL

I/O -

Select I

Note :

I

: Input

I -

: Input (Pull-down)

O

: Output

O +

: Output (with Pull-up resistance)

OD

: Bi-directional (Open Drain)

This pin requires a pull-up resistance.