UDA1342TS 데이터 시트보기 (PDF) - Philips Electronics

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UDA1342TS

Audio CODEC

Philips Electronics 

Philips Semiconductors

Audio CODEC

Preliminary specification

UDA1342TS

3.0

handVbDooDk,Dhalfpage

(V)

1.5

0

t

3.0

VDDA(DAC)

(V)

1.5

0

3.0

Vref

(V)

1.5

1.25

0.75

0

>1 µs

t

t

MGU002

Fig.8 Power-on reset timing.

8.13 Control modes

The control mode can be set with pin STATIC and

pin L3MODE:

• Static pin mode

• I2C-bus mode

• L3-bus mode.

Table 5 Mode selection

PIN STATIC

LOW

HIGH

HIGH

PIN L3MODE

−

LOW

HIGH

SELECTION

L3-bus mode

I2C-bus mode

static pin mode

Table 6 Pin function in the selected mode

PIN NAME

L3CLOCK

L3MODE

L3DATA

QMUTE

IPSEL

L3-BUS

MODE

L3CLOCK

L3MODE

L3DATA

QMUTE

A0

FUNCTION

I2C-BUS

MODE

STATIC PIN

MODE

SCL clock select

LOW level HIGH level

SDA format select

QMUTE format select

A0

channel select

All features in the L3-bus and I2C-bus mode are explained

in Sections 8.15 and 8.16.

The pin functions in the various modes are summarized in

Table 6.

2000 Mar 29

13

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