MikroElektronika Click Manual de usuario

1. Introduction

MP3 Click is an accessory board in mikroBus™

form factor. It includes a stereo MP3 decoder

chip VS1053 which can decode multiple

formats (Ogg vorbis, MP3, MP1, MP2, MPEG4,

WMA, FLAC, WAW, MIDI), and encode three

dierent formats from microphone in mono

or stereo format (Ogg vorbis, IMA ADPCM,

16-bit PCM). Board uses industry-standard

Serial Peripheral Interface for communication,

and can only use 3.3V power supply. Board

features stereo headphone and microphone

audio connectors.

Once you have soldered the headers your

board is ready to be placed into desired

mikroBUS™ socket. Make sure to align the

cut in the lower-right part of the board

with the markings on the silkscreen at the

mikroBUS™ socket. If all the pins are aligned

correctly, push the board all the way

into the socket.

3. Plugging the board in

2 3

2. Soldering the headers

4. How to play music?

Using MP3 click in combination with microSD

click board, you can play music les directly

from your microSD card. You can easily

implement microcontroller software which

can read mp3 les chunk-by-chunk, and

send each chunk for decoding over the same

SPI communication lines, with dierent chip

selects for each board.

Turn the board upward again. Make sure

to align the headers so that they are

perpendicular to the board, then solder the

pins carefully.

Turn the board upside down, so that

bottom side is facing you upwards. Place

shorter parts of the header pins in the

both soldering pad locations.

MP3 click

Before using your click board, make sure

to solder the provided 1x8 male headers

to both sides of the board. Two 1x8 male

headers are included with the board in

the package.

click

BOARD

www.mikroe.com

MP3 click Manual

ver. 1.00

0 100000 020081

8. Support

MikroElektronika oers Free Tech Support

(www.mikroe.com/esupport) until the

end of product lifetime, so if something goes

wrong, we are ready and willing to help!

7. Code Examples

.com

Once you have done all the necessary

preparations, it’s time to get your click

board up and running. We have provided

the examples for mikroC, mikroBasic and

mikroPascal compilers on our Libstock

website. Just download them and you are

ready to start.

6. Power supply - 3.3V only

Board is designed to use

3.3V power supply only. If

you need to add MP3 feature

to your 5V prototype or

development board, we recommend you

to use other boards such as the SmartMP3

Accessory Board:

http://www.mikroe.com/eng/products/

view/165/smartmp3-board/

5. MP3 click Board Schematics

R18

2K2

SCK

CS#

SDI

CN1

PHONEJACK

LEFT

RIGHT

10nF

47nF

10nF

GBUF

C18

100nF

C17

100nF

C15

100nF

C13

100nF

C16

100nF

C10

100nF

C11

100nF

C12

100nF

C14

100nF

VCC-1.8

C19

2.2uF

VCC-3.3

10uF

SDO

RST# DCS

DREQ

VCC-3.3

CN3

MICROPHONE

10uF

100pF

C1 100pF

C2 100pF

VCC-3.3

MICN

MICP

10 27

MCP/LN1

MICN

XRESET

DGND0

CVDD0

IOVDD0

CVDD1

DREQ

GPIO2

GPIO3

GPIO6

GPIO7

XDCS/BSYNC

IOVDD1

VC0

DGND1

XTAL0

XTAL1

IOVDD2

DGND2

DGND3

DGND4

XCS

CVDD2

GPIO5

SCLK

CVDD3

XTEST

GPIO0

GPIO1

GND

GPIO4

AGND0

AVDD0

AVDD2

AGND1

AGND2

AGND3

LN2

LEFT

RCAP

AVDD1

GBUF

RIGHT

VS1053

R20

120K

R19

22K

R21

12K1

R13

R14

R15

R16

R11

R12

R1 10

R2 10

VCC-1.8

VCC-3.3

LEFT

RIGHT

GBUF

LINE2

C9 1uF

100K

GPIO

10K

VCC-3.3

SDO

SDI

SCK

DCS

DREQ

RST#

MICN

MICP

CS#

12.288MHz

R17 1M

22pF

100k

10K

VCC-3.3

RST

SCK

MOSI

MISO

+3.3V

GND

PWM

INT

SCL

SDA

+5V

GND

PWR

GND

OUT

EN ADJ

AP7331-ADJ

MikroElektronika assumes no responsibility or liability for any errors or inaccuracies that may appear in the present document.

Mouser Electronics

Authorized Distributor

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MIKROE-946

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