Yamaha RX-V395 RDS Service Manual page 22

RX-V395/RDS HTR5130/RDS
IC466 : YSS203B-F
Digital Dolby Pro Logic Decoder with Auto Input Balance
No. Name
21 VOCM
22 VOCP
23 VORM
24 VORP
25 AVDD
26 DVDD
27 D7
28 D6
29 D5
30 D4
31 D3
32 D2
33 D1
34 D0
35 A0
36 A1
37 A2
38 A3
39 A4
40 DGND
41 DGND
42 A5
43 A6
44 A7
45 A12
46 A14
47 /WE
48 A13
49 A8
50 A9
51 A11
52 /OE
53 A10
54 /CE
55 XO
56 XI
57 SYNCI
58 DVDD
59 SYNCO
60 /IC
61 LRS
62 /CSS
63 BCK
64 WCK
Note : Letters used in the above I/O column represent as follows.
I : Input terminal O : Output terminal
c : CMOS level s : Schmidt input
21
I/O
C channel operation amplifier, connected to (–) terminal
AO
C channel operation amplifier, connected to (+) terminal
AO
R channel operation amplifier, connected to (–) terminal
AO
R channel operation amplifier, connected to (+) terminal
AO
+5V power supply (multiplying DAC section)
A—
+5V power supply (digital section)
—
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External delay RAM data terminal
I/Ot
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
Ground (digital section)
—
Ground (digital section)
—
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
External data RAM address terminal
O
External delay RAM write enable terminal
O
External dalay RAM address terminal
O
External dalay RAM address terminal
O
External dalay RAM address terminal
O
External dalay RAM address terminal
O
External dalay RAM output enable terminal
O
External dalay RAM address terminal
O
External delay RAM chip enable terminal
O
Crystal oscillator connecting terminal
O
Crystal oscillator connecting terminal
I
Test terminal for system synchronization, normally connected to DVDD
It
+5V power supply (digital section)
—
Test terminal for system synchronization, normally unconnected
O
Initial clear terminal (Power ON resetting is necessary)
Ics
External automatic input balance terminal, (normally unconnected)
O
External automatic input balance terminal, (normally unconnected)
O
Bit clock for parameter data input
Its
Word clock for parameter data input
Its
t : TTL level
A : Analog terminal
Function