Dear all：
I used the TI PCM9211EVM-U board to do the digital SPDIF signal input and output experiment.
The test environment as below：
(1) I used the dvd player to produce the standard optical output SPDIF signal.
(2) To connect the PCM 9211EVM board through optical fiber line to J4 of the PCM 9211.
(3) To use the TI CodecControl.exe software as the simulation interface.
(4) To select the appropriate choice item in CodecControl.exe.
(5) To use the initial description ( PCM9211_Init.txt ) on evm board
as follow： ( In fact, this script is initial description of the 9211EVM Borad：PCM9211_Init.txt )
#System RST Control w 80 40 00 w 80 40 33 w 80 40 C0
#XTI Source, Clock (SCK/BCK/LRCK) Frequency Setting # XTI CLK source 12.288 and BCK 3.072, LRCK 48k = XTI/512 w 80 31 1A w 80 33 22 w 80 20 00 w 80 24 00
#ADC clock source is chosen by REG42 w 80 26 81
#XTI Source, Secondary Bit/LR Clock (SBCK/SLRCK) Frequency Setting w 80 33 22
#REG. 21h, DIR Receivable Incoming Biphase's Sampling Frequency Range Setting w 80 21 00
#REG. 22h, DIR CLKSTP and VOUT delay w 80 22 01
#REG. 23h, DIR OCS start up wait time and Process for Parity Error Detection and ERROR Release Wait Time Setting w 80 23 04
# REG 27h DIR Acceptable fs Range Setting & Mask w 80 27 00
# REG 2Fh, DIR Output Data Format, 24bit I2S mode w 80 2F 04
# REG. 30h, DIR Recovered System Clock (SCK) Ratio Setting w 80 30 02
#REG. 32h, DIR Source, Secondary Bit/LR Clock (SBCK/SLRCK) Frequency Setting w 80 32 22
#REG 34h DIR Input Biphase Signal Source Select and RXIN01 Coaxial Amplifier
#--PWR down amplifier, Select RXIN2
w 80 34 C2
#--PWR up amplifier, select RXIN0
w 80 34 00
#--PWR up amplifier, select RXIN1
#w 80 34 01
w 80 37 00
#REG 38h rd DIR Fs
r 80 38 01
w 80 6A 00
#REG. 6Bh, Main Output Port (SCKO/BCK/LRCK/DOUT) Source Setting w 80 6B 11
#REG. 6Dh, MPIO_B & Main Output Port Hi-Z Control w 80 6D 00
# read back all registers to ensure GUI integrity r 80 20 5E
Unfortunately....
There is no voice comes from the speaker.
But I can still measure the output signal as follow：
(a) MPO0
(B) I2S signal (MCLK, DIN , BCLK, but no DOUT signal)
Would someone please tell me how to figure out problem and what to do step by step.
Thank you very much
Ray
