Sony STR-DB798 Service Manual page 61

• IC Pin Function Description
DIGITAL BOARD IC1101 LC89056W-E (DIGITAL AUDIO INTERFACE RECEIVER)
Pin No.
Pin Name
1
DISEL
2
DOUT
3 to 5 DIN0 to DIN2
6
D.GND
7
DVDD
8
R
9 VIN
10
LPF
11
AVDD
12
AGND
13 CKOUT
14 BCK
15 LRCK
16
DATAO
17
XSTATE
18 DGND
19
DVDD
20
XMCK
21
XOUT
22 XIN
23
EMPHA
24
AUDIO
25
CSFLAG
F0/P0/C0 to
26 to 29
F3/P3/C3
30
DVDD
31
DGND
32
AUTO
33
BPSYNC
34
ERROR
35
DO
36
DI
37
CE
38 CLK
39
XSEL
40, 41
MODE0, MODE1
42
DGND
43 DVDD
44, 45
DOSEL0, DOSEL1
46
CKSEL0
47
CKSEL1
48 XMODE
I/O
I
Selection signal input terminal of data input terminal Fixed at "L" in this set
O
Digital data output to the digital optical transceiver
I Digital data input from the digital optical receiver and external input terminal
-
Ground terminal (for digital)
-
Power supply terminal (+3.3V) (for digital)
I
Input terminal for VCO gain control
I Input terminal for VCO free-run frequency setting
O
PLL loop filter setting terminal
-
Power supply terminal (+3.3V) (for analog)
-
Ground terminal (for analog)
O Audio clock signal output to the audio digital signal processor and D/A converter
O Bit clock signal (2.8224 MHz) output to the audio digital signal processor and A/D converter
L/R sampling clock signal (44.1 kHz) output to the audio digital signal processor and A/D
O
converter
O
Audio serial data output to the audio digital signal processor and system controller
O
Source clock selection monitor output to the system controller
- Ground terminal (for digital)
-
Power supply terminal (+3.3V) (for digital)
O
System clock signal (12.288 MHz) output to the A/D converter
O
System clock output terminal (12.288 MHz)
I System clock input terminal (12.288 MHz)
O
Channel status emphasis information output terminal Not used
O
Channel status bit 1 output to the audio digital signal processor
O
Channel status head 40 bit renewal flag output terminal Not used
O
Output terminal of input frequency calculation result Not used
-
Power supply terminal (+3.3V) (for digital)
-
Ground terminal (for digital)
O
Not used
O
Non-PCM burst preamble sync signal output terminal Not used
PLL lock error signal and data error flag output to the audio digital signal processor and system
O
controller
O
Read data output to the system controller
I
Write data input from the system controller
I
Chip enable signal input from the system controller
I Clock signal input from the system controller
I
Selection signal input terminal of crystal oscillator frequency Fixed at "H" in this set
I
Mode setting terminal Fixed at "L" in this set
-
Ground terminal (for digital)
- Power supply terminal (+3.3V) (for digital)
I
Output data format selection signal input terminal Fixed at "L" in this set
I
Output clock selection signal input terminal Fixed at "L" in this set
I
Output clock selection signal input from the system controller
I System reset signal input from the system controller "L": reset
Description
STR-DB798
61