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Yamaha AVR-S80 Service Manual page 41

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IC600 : YSS938 (DSP P.C.B.)
DSP
No.
Name
I/O
Function
111
RAMA5
O
Sub DSP: External memory address terminal 5
112
RAMA2
O
Sub DSP: External memory address terminal 2
113
SELI13
I+
Built-in selector input 13 (Unconnected)
114
SELI12
I+
Built-in selector input 12
115
SELI11
I+
Built-in selector input 11 (Unconnected)
116
SELI10
I+
Built-in selector input 10 (Unconnected)
117
SELI9
I+
Built-in selector input 9
118
RAMA4
O
Sub DSP: External memory address terminal 4
119
RAMA3
O
Sub DSP: External memory address terminal 3
120
RAMA9
O
Sub DSP: External memory address terminal 9 (Unconnected)
121
RAMA10
O
Sub DSP: External memory address terminal 10 (Unconnected)
122
RAMA11
O
Sub DSP: External memory address terminal 11 (Unconnected)
123
VSS
Ground terminal
124
VDD2
+2.5V power terminal (for internal circuit)
125
SELI8
I+
Built-in selector input 8
126
SELI7
I+
Built-in selector input 7
127
SELI6
I+
Built-in selector input 6
128
SELI5
I+
Built-in selector input 5 (Unconnected)
129
RAMA12
O
Sub DSP: External memory address terminal 12 (Unconnected)
130
RAMA13
O
Sub DSP: External memory address terminal 13 (Unconnected)
131
RAMA14
O
Sub DSP: External memory address terminal 14 (Unconnected)
132
RAMA15
O
Sub DSP: External memory address terminal 15 (Unconnected)
133
RAMA16
O
Sub DSP: External memory address terminal 16 (Unconnected)
134
RAMA17
O
Sub DSP: External memory address terminal 17 (Unconnected)
135
OVFB/END
O
Sub DSP: Overflow/program end detect terminal (Unconnected)
136
ZEROFLG
O
Main DSP: Zero flag output terminal (Unconnected)
137
VSS
Ground terminal
138
NONPCM
O
Main DSP: Non-PCM data detect terminal
139
DTSDATA
O
Main DSP: DTS data detect terminal (Unconnected)
140
AC3DATA
O
Main DSP: AC3 data detect terminal (Unconnected)
141
MUTE
O
Main DSP: Auto mute detect terminal
142
KARAOKE
O
Main DSP: AC3 KARAOKE data detect terminal (Unconnected)
143
VDD1
+3.3V
power terminal (for terminal section)
144
SURENC
O
Main DSP: AC-3 2/0 mode Dolby surround encode input detect terminal (Unconnected)
145
CRC
O
Main DSP: AC3 CRC error detect terminal (Unconnected)
146
/LOCK
O
DIR: PLL lock detect terminal (Unconnected)
147
DIRINT
O
DIR: Interrupt output terminal
148
/CS
Is
Microprocessor interface chip select input terminal
149
SO
Ot
Microprocessor interface data output terminal
150
SI
Is
Microprocessor interface data input terminal
151
SCK
Is
Microprocessor interface clock input terminal
152
/IC
Is
Initial clear input terminal
153
IPINT
O+
Interrupt output terminal by IPORT 8-14
154
SELI4
I+
Built-in selector input 4
155
VSS
Ground terminal
156
SELI3
I+
Built-in selector input 3
157
SELI2
I+
Built-in selector input 2
158
TESTXI
I
Test terminal (should be always connected to VSS)
159
TESTXO
O
Test terminal (Unconnected)
160
VDD2
+2.5V
power terminal (for internal circuit)
Is: Schmidt trigger input terminal
I+: Input terminal with pull-up resistor
O: Digital output terminal
Ot: 3-state digital output terminal
A: Analog terminal
(CXA)
(GND)
(OPTF)
(CSY)
(SDM)
(SCKY)
(/ICD)
(OPTD)
(OPTC)
(OPTB)
AVR-S80/NX-SW80
41

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