Pcm1804 (Ic913) Audio P.w.b.; Pcm1804 Terminal Function - Denon AVC-A11XV Service Manual

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PCM1804 (IC913) AUDIO P.W.B.

1
V L
REF
2
AGNDL
3
V L
COM
V L+ 4
IN
5
V L−
IN
6
FMT0
TOP VIEW
FMT1 7
S/M 8
OSR0 9
OSR1 10
11
OSR2
12
BYPAS
DGND 13
V 14
DD

PCM1804 Terminal Function

Pin
Pin Name
No.
1 V L
REF
2 AGNDL
3 V L
COM
4 V L+
IN
5 V L−
IN
6 FMT0
7 FMT1
8 S/M
9 OSR0
10 OSR1
11 OSR2
12 BYPAS
13 DGND
14 V
DD
TE
15 L 13942296513 DATA/DSDR
16 BCK/DSDL
17 LRCK/DSDBCK
18 SCKI
19 RST
20 OVFR
21 OVFL
22 V
CC
23 AGND
24 V R−
IN
25 V R+
IN
26 V R
COM
27 AGNDR
28 V R
REF
* Schmitt trigger input with internal pull-down (51kohm typically), 5V tolerant.
** Schmitt trigger input, 5V tolerant.
*** Schmitt trigger input.
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28
V R
REF
27
AGNDR
26
V R
COM
25 V R+
IN
24
V R−
IN
23
AGND
22 V
CC
21 OVFL
20 OVFR
19 RST
18
SCKI
17
LRCK/DSDBCK
16 BCK/DSDL
15 DATA/DSDR
I/O
⎯
L-channel voltage reference output, requires capacitors for decoupling to AGND.
⎯
Analog ground for V
REF
⎯
L-channel analog common mode output.
I L-channel analog input, positive pin.
I L-channel analog input, negative pin.
I Audio data format 0. See TABLE V. *
I Audio data format 1. See TABLE V. *
I Master/slave mode selection. See TABLE IV. *
I Oversampling ratio 0. See TABLE I. TABLE II. *
I Oversampling ratio 1. See TABLE I. TABLE II. *
I Oversampling ratio 2. See TABLE I. TABLE II. *
I HPF bypass control. HIGH: HPF disable, LOW: HPF enable. ***
⎯
Digital ground.
⎯
Digital power supply.
O L-channel and R-channel audio data output in PCM mode. R-channel Audio data output in DSD mode.(DSD output, when DSD mode)
I/O Bit clock input/output in PCM mode. L-channel audio data output in DSD mode. ***
I/O Sampling clock input/output in PCM and DSD mode. ***
I System clock input; 128fs, 256fs, 384fs, 512fs or 768fs. **
I Reset, power down input, active LOW. *
O Overflow signal of R-channel in PCM mode. This is available in PCM mode only.
O Overflow signal of L-channel in PCM mode. This is available in PCM mode only.
⎯
Analog power supply.
⎯
Analog ground.
I R-channel analog input, negative pin.
I R-channel analog input, positive pin.
⎯
R-channel analog common mode output.
⎯
Analog ground for V
REF
⎯
R-channel voltage reference output, requires capacitors for decoupling to AGND.
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2 9
8
SCKI
CLK Control
V L+
IN
Delta-sigma
Decimation
Modulator (L)
V L− Filter (L)
IN
V L
COM
AGNDL
V L
REF
V L
REF
V R
REF
V R
REF
AGNDR
V R
COM
V R+
Decimation
IN
Delta-sigma
Filter (R)
Modulator (R)
V R−
IN
Power Supply
V AGND DGND V
CC
Function
L.
Q Q
3 6 7 1 3 1 5
R.
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40
AVR-4806 / AVC-A11XV
9 4 2 8
OSR0
OSR1
OSR2
S/M
HPF
FMT0
FMT1
LRCK/
DSDBCK
Serial
BCK/DSDL
Output
DATA /DSDR
Interface
OVFL
HPF
OVFR
BYPAS
RST
DD
0 5 8 2 9 9 4 2 8
m
9 9
9 9