Yamaha RX-V595 Service Manual page 35

IC4 : YSS908-F (AC3Dav)
Digital Dolby Pro Logic Decoder +DSP
No. Name I/O
51 VDD
52 AC3DATA O
53 CRC O
54 MUTE O
55 KARAOKE O
56 SURENC O
57 /SDBCK0 O
58 RAMA6 O
59 RAMA5 O
60 VSS
61 RAMA4 O
62 /IC I
63 TEST
64 RAMA3 O
65 /CSB I
66 /CS I
67 SO O
68 SI I
69 SCK I
70 RAMA2 O
71 PVDD
72 RAMD0 I/O
73 RAMD1 I/O
74 RAMD2 I/O
75 RAMD3 I/O
76 RAMD4 I/O
77 RAMD5 I/O
78 RAMD6 I/O
79 RAMD7 I/O
80 PVSS
81 VDD2
82 SDWCK0 I
83 SDBCK0 I
84 SDIA0 I
85 SDIA1 I
86 RAMA1 O
87 RAMA0 O
88 RAMWEN O
89 RAMOEN O
90 VSS
91 VDD
92 IPORT7 I
93 IPORT6 I
94 IPORT5 I
95 IPORT4 I
96 IPORT3 I
97 IPORT2 I
98 IPORT1 I
99 IPORT0 I
100 VSS
+3V power supply
AC-3 data output terminal, AC-3 bit stream data detect
CRC output terminal (normally unconnected)
Mute output terminal, output data mute detect
Karaoke output terminal, AC-3 karaoke data detect
Surround encoder output terminal (normally unconnected)
Inverted signal of serial data bit clock output terminal 0
RAM address output terminal 6, connected to external 1M SRAM address
RAM address output terminal 5, connected to external 1M SRAM address
Ground
RAM address output terminal 4, connected to external 1M SRAM address
Initial clear input terminal
Test terminal (normally unconnected)
RAM address output terminal 3, connected to external 1M SRAM address
Chip select B input terminal,coefficient and program RAM chip select signal input
Chip select input terminal, microprocessor interface chip select signal input
Serial data output terminal, microprocessor interface serial data output
Serial data input terminal, microprocessor interface and coefficient and program RAM serial data input
Serial clock intput terminal, microprocessor interface and coefficient and program RAM serial clock input
RAM address output terminal 2, connected to external 1M SRAM address
+5V power supply
RAM data bus terminal 0, connected to external 1M SRAM data
RAM data bus terminal 1, connected to external 1M SRAM data
RAM data bus terminal 2, connected to external 1M SRAM data
RAM data bus terminal 3, connected to external 1M SRAM data
RAM data bus terminal 4, connected to external 1M SRAM data
RAM data bus terminal 5, connected to external 1M SRAM data
RAM data bus terminal 6, connected to external 1M SRAM data
RAM data bus terminal 7, connected to external 1M SRAM data
Ground
+3V power supply
Serial data word clock input terminal 0
Serial data bit clock input terminal 0
Serial data input A terminal 0
Serial data input A terminal 1
RAM address output terminal 1, connected to external 1M SRAM address
RAM address output terminal 0, connected to external 1M SRAM address
RAM write enable output terminal, connected to external 1M SRAM write enable
RAM output enable output terminal, connected to external 1M SRAM output enable
Ground
+3V power supply
Input port terminal 7 (normally connected to ground)
Input port terminal 6 (normally connected to ground)
Input port terminal 5 (normally connected to ground)
Input port terminal 4 (normally connected to ground)
Input port terminal 3 (normally connected to ground)
Input port terminal 2 (normally connected to ground)
Input port terminal 1 (normally connected to ground)
Input port terminal 0 (normally connected to ground)
Ground
Function
RX-V595/R-V905/RX-V595RDS
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