Denon S-81 - Page 38

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