Yamaha DVX-S200 Service Manual page 54

DVR-S200/NX-P200
IC303 : YSS938 (DIGITAL P.C.B.)
DSP
No. Name
111 RAMA5
112 RAMA2
113 SELI13
114 SELI12
115 SELI11
116 SELI10
117 SELI9
118 RAMA4
119 RAMA3
120 RAMA9
121 RAMA10
122 RAMA11
123 VSS
124 VDD2
125 SELI8
126 SELI7
127 SELI6
128 SELI5
129 RAMA12
130 RAMA13
131 RAMA14
132 RAMA15
133 RAMA16
134 RAMA17
135 OVFB/END
136 ZEROFLG
137 VSS
138 NONPCM
139 DTSDATA
140 AC3DATA
141 MUTE
142 KARAOKE
143 VDD1
144 SURENC
145 CRC
146 /LOCK
147 DIRINT
148 /CS
149 SO
150 SI
151 SCK
152 /IC
153 IPINT
154 SELI4
155 VSS
156 SELI3
157 SELI2
158 TESTXI
159 TESTXO
160 VDD2
Is: Schmidt trigger input terminal
I+: Input terminal with pull-up resistor
O: digital output terminal
Ot: Tri-state digital output terminal
A: Analog terminal
54
I/O
O Sub DSP: External memory address terminal 5
O Sub DSP: External memory address terminal 2
I+ Built-in selector input 13 (Unconnected)
I+ Built-in selector input 12 (Unconnected)
I+ Built-in selector input 11 (Unconnected)
I+ Built-in selector input 10 (Unconnected)
I+ Built-in selector input 9 (Unconnected)
O Sub DSP: External memory address terminal 4
O Sub DSP: External memory address terminal 3
O Sub DSP: External memory address terminal 9 (Unconnected)
O Sub DSP: External memory address terminal 10 (Unconnected)
O Sub DSP: External memory address terminal 11 (Unconnected)
Ground terminal
+2.5V power terminal (for internal circuit)
I+ Built-in selector input 8 (Unconnected)
I+ Built-in selector input 7
I+ Built-in selector input 6 (Unconnected)
I+ Built-in selector input 5 (Unconnected)
O Sub DSP: External memory address terminal 12 (Unconnected)
O Sub DSP: External memory address terminal 13 (Unconnected)
O Sub DSP: External memory address terminal 14 (Unconnected)
O Sub DSP: External memory address terminal 15 (Unconnected)
O Sub DSP: External memory address terminal 16 (Unconnected)
O Sub DSP: External memory address terminal 17 (Unconnected)
O Sub DSP: Overflow/program end detect terminal (Unconnected)
O Main DSP: Zero flag output terminal (Unconnected)
Ground terminal
O Main DSP: Non-PCM data detect terminal
O Main DSP: DTS data detect terminal (Unconnected)
O Main DSP: AC3 data detect terminal (Unconnected)
O Main DSP: Auto mute detect terminal
O Main DSP: AC3 KARAOKE data detect terminal (Unconnected)
+3.3V power terminal (for terminal section)
O Main DSP: AC-3 2/0 mode Dolby surround encode input detect terminal (Unconnected)
O Main DSP: AC3 CRC error detect terminal (Unconnected)
O DIR: PLL lock detect terminal (Unconnected)
O DIR: Interrupt output terminal
Is Microprocessor interface chip select input terminal
Ot Microprocessor interface data output terminal
Is Microprocessor interface data input terminal
Is Microprocessor interface clock input terminal
Is Initial clear input terminal
O+ Interrupt output terminal by IPORT 8-14
I+ Built-in selector input 4 (Unconnected)
Ground terminal
I+ Built-in selector input 3
I+ Built-in selector input 2
I Test terminal (should be always connected to VSS)
O Test terminal (Unconnected)
+2.5V power terminal (for internal circuit)
Function
(GND)
(MUTE)
(CSY)
(SDM)
(YSSCK)
(/ICD)
(OPTA)
(SPDIF)