Datasheet

2003 Apr 10 29
NXP Semiconductors Preliminary specification
Stereo audio codec with SPDIF interface UDA1355H
6 See static mode
7 See static mode
8 See static mode
9 Data path:
• Inputs ADC and I
2
S to outputs DAC or
SPDIF
• Input SPDIF to output I
2
S.
Features:
• Input SPDIF to output I
2
S with BCK
and WS being master; the clocks for
this are recovered from the SPDIF
input signal
• The rest of the clocks are generated by
the crystal oscillator
• SPDIF input channel status bits (two
times 40) can be read
• SPDIF output channel status bits (two
times 40) setting
• Possibility to process input SPDIF, via
I
2
S-bus using an external DSP and
then to outputs DAC or SPDIF.
10 Data path:
• Inputs ADC and SPDIF to outputs DAC
or I
2
S
• Input I
2
S to output SPDIF.
Features:
• BCK and WS are master
• SPDIF input channel status bits (two
times 40) can be read
• SPDIF output channel status bits (two
times 40) setting
• Possibility to process inputs ADC or
SPDIF, via I
2
S-bus using an external
DSP and then to output SPDIF.
11 Not used
MODE FEATURE SCHEMATIC
PLL
SPDIF LOCK
XTAL
SPDIF IN
SPDIF OUT
ADC
MGU849
MUT
E
I
2
S OUTPUT
I
2
S master
DAC
I
2
S slave
EXTERNAL DSP
(e.g. Sample Rate Convertor)
(SAA7715)
I
2
S INPUT
PLL
SPDIF LOCK
XTAL
SPDIF IN
SPDIF OUT
ADC
MGU850
MUT
E
I
2
S OUTPUT
I
2
S master
DAC
I
2
S slave
EXTERNAL DSP
(e.g. Sample Rate Convertor)
(SAA7715)
I
2
S INPUT