MIKROE-1043 mikroElektronika, MIKROE-1043 Datasheet - Page 28

• Manufacturer Part Number: MIKROE-1043
• Description: Development Boards & Kits - ARM EasyMxPRO v7 MCU Stellaris LM4F232H5Q
• Manufacturer: mikroElektronika

Specifications of MIKROE-1043

• Rohs: yes
• Product: Development Boards
• Tool Is For Evaluation Of: LM4F232H5Q
• Core: ARM Cortex M3, ARM Cortex M4
• Interface Type: CAN, I2C, SPI
• Operating Supply Voltage: 7 V to 23 V
• Data Bus Width: 8 bit
• Dimensions: 266 mm x 220 mm
• For Use With: LM4F232H5Q

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Figure 14-1: Audio IN/OUT
connection schematic
PA5
PA4
PA2
MICP
MICN
PF4
PF5
PF1
PF0
SW14
SW13
SPI-MOSI
SPI-MISO
SPI-SCK
MP3-DREQ
MP3-RST#
MP3-CS#
MP3-DCS
MP3-RST#
R10
100K
VCC-3.3V
R23
100K
10
11
12
1
2
3
4
5
6
7
8
9
MCP/LN1
MICN
XRESET
DGND0
CVDD0
IOVDD0
CVDD1
DREQ
GPIO2
GPIO3
GPIO6
GPIO7
C14
22pF
R24
12.288MHz
VS1053
X1
C1
1M
1uF
C15
22pF
CVDD3
GPIO4
GPIO1
GPIO0
XTEST
GPIO5
SCLK
GND
SO
TX
RX
U1
SI
VCC-1.8V
36
35
34
33
32
31
30
29
28
27
26
25
VCC-3.3V
Audio IN/OUT
VCC-3.3V
R13 27
R16 27
R5
10K
VCC-3.3V
E19
10uF
R20
10K
SPI-MISO
SPI-MOSI
SPI-SCK
C16
100nF
Audio I/O
It's hard to imagine modern multimedia devices without high quality audio reproduction
modules. Sounds and music are almost as important as graphical user interfaces.
Along with other multimedia modules, EasyMx PRO
end stereo VS1053 audio codec. It features Ogg Vorbis/MP3/AAC/WMA/FLAC/WAV/
MIDI audio decoder, as well as an PCM/IMA ADPCM/Ogg Vorbis encoder on a single
chip. Board also contains two stereo audio connectors for interfacing with standard
3.5mm stereo audio jacks. VS1053 receives the input bit stream through a serial input
bus, which it listens to as a system slave. The input stream is decoded and passed
through a digital volume control to an 18-bit oversampling, multi-bit, sigma-delta
Digital to Analog Converter (DAC). The
decoding is controlled via a serial control
bus. In addition to the basic decoding,
it is possible to add application specific
features like DSP effects to the user RAM
memory. You can build music players,
audio recording devices, internet radio
player applications, and much more.
C20
100nF
MICP
MICN
L
R
GBUF
C10 1uF
C8 1uF
R6
10
C6
47nF
C21
100nF
C9
100pF
R8
20
C7
10nF
C17
100nF
E2
10uF
R9
20
C5
10nF
C22
100nF
E3
10uF
VCC-3.3V
R3 10
R4 10
C18
2.2uF
R15
1K
R17
1K
R21
1K
R22
1K
CN6
PHONEJACK
CN8
MICROPHONE
1
2
3
AP7331-ADJ
U4
IN
GND
EN ADJ
OUT
5
4
In order to use Audio I/O module,
you must connect data and Audio
control lines of the microcontroller
with the VS1053 audio codec. To
do this, push SW13.1–SW13.3
and SW14.1–SW14.4 switches to
ON position. This will connect SPI
data lines with PA5, PA4 and PA2
microcontroller pins, and audio
control lines and chip select with
PF4, PF5, PF1 and PF0 pins.
Enabling Audio I/O
R32
22K
R30
120K
™
R33
12K1
v7 for Stellaris
EasyMx PRO
E7
10uF
C23
100nF
®
C19
100nF
contains high-
C24
100nF
VCC-1.8V
C25
100nF
v7