Home » Source Code » basic-ssc-i2s-project-at91sam3u-ek-keil

basic-ssc-i2s-project-at91sam3u-ek-keil

m_electronic1363
2013-12-20 06:59:24
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Category Category:
AlgorithmAlgorithm CPlusPlus, C-C++C++

Description

The SAM3U-EK includes a WOLFSON codec WM8731 for digital sound input and output. This interface
includes audio jacks for:
􀂄 microphone input,
􀂄 line audio input, and
􀂄 headphone output.


The SAM3U4E programmable clock output is used to generate the WM8731 master clock (MCLK). The
SAM3U4E ODT (On-Die Termination) feature guarantees a signal integrity on this clock line without the
need for external discrete components.
WM8731 pin 21 MODE is pulled down by default; this configures the device as a TWI device for internal
register access.
Pin15 CSB is pulled up, which sets its TWI address as 33 [0x0011011].
The WM8731 digital interface works in slave mode on the SAM3U4E Synchronous Serial Controller
(SSC) interface, which means that Codec digital audio bit clock and ADC/DAC left/right control clock are
to be generated by the SAM3U4.
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File list

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Name Size Date
01.96 kB
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01.96 kB
01.96 kB
board.h32.86 kB2009-06-11 17:09
board_cstartup_keil.c5.15 kB2009-06-11 17:09
board_lowlevel.c8.45 kB2009-06-11 17:09
board_lowlevel.h2.18 kB2009-06-11 17:09
board_memories.c6.67 kB2009-06-11 17:09
board_memories.h2.20 kB2009-06-11 17:09
exceptions.c12.15 kB2009-06-11 17:09
exceptions.h4.78 kB2009-06-11 17:09
01.96 kB
AT91SAM3U4.h573.59 kB2009-06-11 17:09
chip.h3.63 kB2009-06-11 17:09
flash.sct2.25 kB2009-06-11 17:09
psram.sct2.24 kB2009-06-11 17:09
sram.sct2.17 kB2009-06-11 17:09
01.96 kB
01.96 kB
wm8731.c4.94 kB2009-06-11 17:09
wm8731.h9.04 kB2009-06-11 17:09
01.96 kB
01.96 kB
async.h2.77 kB2009-06-11 17:09
01.96 kB
dmad.c11.64 kB2009-06-11 17:09
dmad.h7.12 kB2009-06-11 17:09
01.96 kB
twid.c11.22 kB2009-06-11 17:09
twid.h3.39 kB2009-06-11 17:09
01.96 kB
Media.c2.54 kB2009-06-11 17:09
Media.h12.26 kB2009-06-11 17:09
MEDSdcard.c22.27 kB2009-06-11 17:09
MEDSdcard.h2.43 kB2009-06-11 17:09
01.96 kB
sdmmc_mci.c119.12 kB2009-06-11 17:09
sdmmc_mci.h42.35 kB2009-06-11 17:09
01.96 kB
01.96 kB
dbgu.c4.73 kB2009-06-11 17:09
dbgu.h3.23 kB2009-06-11 17:09
01.96 kB
dma.c15.95 kB2009-06-11 17:09
dma.h6.96 kB2009-06-11 17:09
01.96 kB
irq.h3.25 kB2009-06-11 17:09
nvic.c6.22 kB2009-06-11 17:09
01.96 kB
mci_hs.c40.17 kB2009-06-11 17:09
mci_hs.h8.15 kB2009-06-11 17:09
01.96 kB
pio.c13.20 kB2009-06-11 17:09
pio.h8.75 kB2009-06-11 17:09
01.96 kB
pmc.c7.22 kB2009-06-11 17:09
pmc.h2.47 kB2009-06-11 17:09
01.96 kB
ssc.c15.79 kB2009-06-11 17:09
ssc.h6.17 kB2009-06-11 17:09
01.96 kB
twi.c14.23 kB2009-06-11 17:09
twi.h6.23 kB2009-06-11 17:09
01.96 kB
assert.h4.37 kB2009-06-11 17:09
math.c3.24 kB2009-06-11 17:09
math.h1.95 kB2009-06-11 17:09
retarget.c3.11 kB2009-06-11 17:09
trace.c9.32 kB2009-06-11 17:09
trace.h14.55 kB2009-06-11 17:09
wav.c2.79 kB2009-06-11 17:09
wav.h3.26 kB2009-06-11 17:09
01.96 kB
01.96 kB
at91sam3u-ek-basic-ssc-i2s-wm8731-project.mpw89.00 B2009-06-11 17:28
fatfs_config.h7.02 kB2009-06-11 17:09
main.c18.73 kB2009-06-11 17:09
sample.wav274.45 kB2009-06-11 17:09
01.96 kB
at91sam3u4.Opt4.93 kB2009-06-11 17:28
at91sam3u4.uv27.03 kB2009-06-11 17:28
01.96 kB
01.96 kB
01.96 kB
core_cm3.c15.87 kB2009-06-11 17:08
core_cm3.h41.21 kB2009-06-11 17:08
01.96 kB
01.96 kB
01.96 kB
diskio.c10.15 kB2009-06-11 17:08
diskio.h1.98 kB2009-06-11 17:08
ff.c65.53 kB2009-06-11 17:08
ff_util.c4.46 kB2009-06-11 17:08
ff_util.h2.20 kB2009-06-11 17:08
integer.h754.00 B2009-06-11 17:08
tff.c57.20 kB2009-06-11 17:08
tff.h8.75 kB2009-06-11 17:08
01.96 kB
01.96 kB
at91sam3u-ek-flash.ini1.99 kB2009-06-11 17:10
at91sam3u-ek-psram.ini5.91 kB2009-06-11 17:10
at91sam3u-ek-sram.ini1.99 kB2009-06-11 17:10
...
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