Denon S-81 Service Manual page 38

BU2090F (IC601 : 1U-3762)
PCM1803 (IC704 : 1U-3762)
V L
IN
V 1
REF
Reference
V 2
REF
V R
IN
V
1
V L
IN
2
V R
IN
3
V 1
REF
V 2 4
REF
V 5
CC
AGND 6
PDWN 7
BYPAS 8
TEST 9
LRCK
10
BLOCK DIAGRAM
Delta-Sigma
Modulator
Delta-Sigma
Modulator
Power Supply
AGND DGND V
CC DD
PIN FUNCTIONS
Pin
Symbol
NO.
1 Vss
2 DATA
3 CLOCK
4 Q0
5 Q1
6 Q2
7 Q3
8 Q4
9 Q5
10 Q6
11 Q7
12 Q8
13 Q9
14 Q10
15 Q11
16 VDD
(TOP VIEW)
20
MODE1
19
MODE0
18
FMT1
17 FMT0
16 OSR
15
SCKI
14 V
DD
13 DGND
12 DOUT
BCK
11
x1/64 , x1/128
Decimation
Filter
With
HighœPass Filter
Clock and T iming Control
38
S-81/S-81DAB
I/O Function
- GND
I Serial Data
I Data Shift Clock
O Parallel Data Bit0
O Parallel Data Bit1
O Parallel Data Bit2
O Parallel Data Bit3
O Parallel Data Bit4
O Parallel Data Bit5
O Parallel Data Bit6
O Parallel Data Bit7
O Parallel Data Bit8
O Parallel Data Bit9
O Parallel Data Bit10
O Parallel Data Bit11
- Power Supply
Serial
Interface
Mode/
Format
Control
BCK
LRCK
DOUT
FMT0
FMT1
MODE0
MODE1
BYPAS
TEST
OSR
PDWN
SCKI