BK3254 Datasheet

v 0.5

© 2011 Beken Corporation

Proprietary and Confidential

Page 6 of 17

BK3254

SSOP24

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Table below has a pin description of the QFN 6x6 48-pin package, and for other

package the pin with the same name as QFN has the same function.

Table 1 Pin Description

Package

Pin #

Name

Description

1

GPIO0

GPIO 0

2

RSTN

Reset pin, active low

3

RFP_BT

Bluetooth RF Input and Output

4

VCCAUD

Audio power supply; Local 1uF decoupling cap

5

AUDIORP

Audio output right channel

6

AUDIOLP

Audio output left channel

7

GNDAUD

GND

8

LINR

Line input right channel

9

LINL

Line input left channel

10

MICINP

Microphone input positive

11

MICREF

Microphone input signal reference voltage

12

VREF1AUD

Audio reference; Connected to 4.7uF decoupling cap for

high audio quality

13

FMINP

FM input positive

14

FMINN

FM input negative