SOURCE FROM
DVD PLAYER
S/PDIF serial
protocal containing
multichannel audio
sampled at 48 KHz
and compressed in AC3
BRING DATA INTO SHARC CORE
Three synchronized (but separate)
stereo streams sampled at 44.1 KHz
are brought back to
the core for
reverb,
EQ and
other effects
IDP
CHANNEL_1
CHANNEL_2
CHANNEL_3
SRC2 SRC1 SRC0
PIN_1
S/PDIF
STREAM
CONNECT TO S/PDIF RX
TRANSLATE PROTOCOL
On-chip DPLL used to
recover clock and frame sync
S/PDIF
RECEIVER
SERIAL DATA
CLOCK
FRAME SYNC
MULTICHANNEL CLOCK
IDP
CHANNEL0
SHARC
CORE
SAMPLE RATE CONVERSION
Convert using chaining mode
multichannel channels are extracted
and the rate conversion ratio is
phase locked channel to channel.
I
2
S DATA INTO SHARC CORE
AC3 (Dolby Digital)
decompression algorithm
is executed in software
5.1 channel surround
sound sampled at 48 KHz
SPORT0
I
2
S DATA (3 STEREO PAIRS)
44.1 KHz
44.1 KHz
MULTICHANNEL RATE
SAMPLE CLOCK OUTPUT
The output of the PCG is
routed to a pin and the
output sample rate clock
is also routed to the same pin.
PCG
SPORT4
PIN_2PIN_3PIN_4PIN_5PIN_6
PIN_7PIN_8
PIN_9
SPORT5
SPORT3
SPORT2
SPORT1
SHARC
CORE
STEREO MIX
If the system has only
2 speakers, this
stereo DAC can be used
instead of the 5.1
The SHARC runs a
spaitial effects
algorithm for virtual
rear speakers.
PIN_7PIN_8PIN_9
FRAME
SYNC
SERIAL
DATA
SERIAL
DATA
SERIAL
DATA
FRAME
SYNC
SERIAL
DATA
CLK
FS
DATA
MIX_FS MIX_DAT FL_FR_DAT CTR_LFE_DAT RL_RR_DAT FS SCLK MCLK
External 8-bit macro for scanning
for button presses, knobs, etc.
Low Jitter
DAC Clock
(44.1 KHz)
for both SRCs
and external
DACs
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