Sony STR-DB830 Service Manual - Page 36

Ic1101, Lc89055w Digital Audio I/f Receiver Digital Board - receivers

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IC1101 LC89055W DIGITAL AUDIO I/F RECEIVER (DIGITAL BOARD) Pin No. Pin Name I/O Description 1 DISEL I Input data select. (connected to ground.) 2 DOUT O EIAJ data and parity flag output terminal (Not used) 3 DIN0 I Amplifier integrate data input terminal 4 DIN1 O Amplifier integrate data input terminal (Connecting to ground) 5 DIN2 I Amplifier integrate data input terminal (Connecting to ground) 6 D. GND - Digital ground 7 D. VDD O Digital power supply 8 R I Input terminal for VCO generator band adjustment 9 V IN I Input terminal for VCO self running frequency set 10 LPF O External LPF for PLL is connected to this terminal 11 A. VDD - Analog power supply 12 A. GND - Analog ground 13 CK OUT - 256fs or 128fs clock output terminal (Select CLKMD terminal) 14 BCK O Bit clock output terminal 15 LRCK O L, R clock output terminal (L-ch: "H", R-ch: "L") 16 DATA O O Audio data output terminal 17 XSTATE O Xtal status frag output. 18 D. GND - Digital ground 19 D. VDD - Digital power supply 20 XMCK - Not used. 21 XOUT O Crystal oscillator output terminal (Not used.) 22 XIN I Crystal oscillator input terminal 23 EMPHA O Emphasis monitor output terminal ("H" = ON) (Not used.) 24 AUDIO - Not used. 25 CSFLAG O C-bit change frag output. 26 F0/P0/C0 - Not used. 27 F1/P1/C1 - Not used. 28 F2/P2/C2 - Not used. 29 F3/P3/C3 - Not used. 30 D. VDD - Digital power supply 31 D. GND - Digital ground 32 AUTO O Non PCM data detect flag output. 33 BPSYNC O Non PCM sync detect flag output. 34 ERROR O Error mute output terminal 35 DO O Microprocessor I/F. When CCB/SUB is "H", data output terminal (high level open drain output) (Not used) 36 DI I Microprocessor I/F. Data input terminal 37 CE I Microprocessor I/F. Chip enable/latch input terminal 38 CLK I Microprocessor I/F. Clock input terminal 39 XSEL I Xtal select. (Connected to +5V.) 40 MODE0 I Mode 0 input. (Connected to ground.) 41 MODE1 I Mode 1 input. (Connected to ground.) 42 D. GND - Digital ground 43 D. VDD - Digital power supply 44 DOSEL0 O Output data select 0. (Connected to ground.) 45 DOSEL1 O Output data select 1. (Connected to ground.) 46 CKSEL0 I System clock select input 0. (Connected to ground.) 47 CKSEL1 I System clock select input 1. (Connected to ground.) 48 XMODE I Reset input. - 58 -

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— 58 —
IC1101
LC89055W DIGITAL AUDIO I/F RECEIVER (DIGITAL BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
I/O
I
O
I
O
I
—
O
I
I
O
—
—
—
O
O
O
O
—
—
—
O
I
O
—
O
—
—
—
—
—
—
O
O
O
O
I
I
I
I
I
I
—
—
O
O
I
I
I
Pin Name
DISEL
DOUT
DIN0
DIN1
DIN2
D. GND
D. V
DD
R
V IN
LPF
A. V
DD
A. GND
CK OUT
BCK
LRCK
DATA O
XSTATE
D. GND
D. V
DD
XMCK
XOUT
XIN
EMPHA
AUDIO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
F3/P3/C3
D. V
DD
D. GND
AUTO
BPSYNC
ERROR
DO
DI
CE
CLK
XSEL
MODE0
MODE1
D. GND
D. V
DD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
Description
Input data select. (connected to ground.)
EIAJ data and parity flag output terminal (Not used)
Amplifier integrate data input terminal
Amplifier integrate data input terminal (Connecting to ground)
Amplifier integrate data input terminal (Connecting to ground)
Digital ground
Digital power supply
Input terminal for VCO generator band adjustment
Input terminal for VCO self running frequency set
External LPF for PLL is connected to this terminal
Analog power supply
Analog ground
256fs or 128fs clock output terminal (Select CLKMD terminal)
Bit clock output terminal
L, R clock output terminal (L-ch: “H”, R-ch: “L”)
Audio data output terminal
Xtal status frag output.
Digital ground
Digital power supply
Not used.
Crystal oscillator output terminal (Not used.)
Crystal oscillator input terminal
Emphasis monitor output terminal (“H” = ON) (Not used.)
Not used.
C-bit change frag output.
Not used.
Not used.
Not used.
Not used.
Digital power supply
Digital ground
Non PCM data detect flag output.
Non PCM sync detect flag output.
Error mute output terminal
Microprocessor I/F.
When CCB/SUB is
“H”, data output terminal (high level open drain output) (Not used)
Microprocessor I/F.
Data input terminal
Microprocessor I/F.
Chip enable/latch input terminal
Microprocessor I/F.
Clock input terminal
Xtal select. (Connected to +5V.)
Mode 0 input. (Connected to ground.)
Mode 1 input. (Connected to ground.)
Digital ground
Digital power supply
Output data select 0. (Connected to ground.)
Output data select 1. (Connected to ground.)
System clock select input 0. (Connected to ground.)
System clock select input 1. (Connected to ground.)
Reset input.