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• IC DATA
IC7: YSS223
Digital Dolby Pro Logic De<:oder with Auto Input Balance
No.
Name
1
AGND
2
VREF
3
LlNM
4
RINM
5
VOLM
6
VOLP
7
VOCM
8
VOCP
9
VORM
10
VORP
11
AVDD
12
DGND
13
TESTI
14
/IC
15
OVF
16
CRS
17
CDI
18
XCLK
19
D2
20
D1
21
DO
~
I/O
Ground (Analog section)
A-
Multiplying DAC reference voltage input
AI
L channel
Multiplying DAC input
AI
R channel
Multiplying DAC input
AI
AO
L channel operation amplifier, connected to
AO
L channel operation amplifier, connected to (+) terminal
AO
C channel operation amplifier, connected to (-) terminal
AO
C channel operation amplifier, connected to i+) terminal
AO
R channel operation amplifier, connected to (-) terminal
AO
R channel operation amplifier, connected to (+) terminal
A-
+5V power supply (Analog section)
-
Ground (digital section)
Ic
LSI test terminal
Normally
Ics
Initial clear terminal (Power ON resetting is necessary)
ND
0
Converter, Overflow detect terminal
Microprocessor
interface reset terminal
Its
Its
Microprocessor
interface data input terminal
Its
Microprocessor
interface clock input terminal
I/Ot
I/Ot
]
External delay RAM data terminal
I/Ot
AGND
CV
RR
RL
CHR
RINS
L1NS
CHL
FL
FR
AVDD
DGND
XI
XO
64FS
ADD
256FS
SYNCO
D3
D4
D5
D6
D7
TIjICE
~
Al0
~IOE
~All
El
A9
~
A8
~
A13
~
/WE
~
DVDD
Function
H
terminal
connected to DGND
RX-V990
14
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