Yamaha RX-V3900, Руководство по обслуживанию

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RX-V3900/DSP-AX3900
103
Pin No. Port Name Function Name (P.C.B.) I/O Detail of Function
115 A[0] SA[0] BUS HOST I/F address bus
116 XTCK MCU For testing
117 VSS MCU
118 VDD MCU
119 PIO[28] Z2_N_VMT_3 O Zone2 video mute
120 PIO[15] IOEX_N_RST O Reset signal to IO expanded device
121 PIO[29] SV_DET I S-Video detection signal
122 VSS MCU
123 PIO[30]
124 XIRQ GA_N_INT O Request for interrupt to microprocessor
125 PIO[31]
126 VDD MCU
127 VSS MCU
128 D[0] SD[0] BUS HOST I/F data bus
129 D[1] SD[1] BUS HOST I/F data bus
130 D[2] SD[2] BUS HOST I/F data bus
131 D[3] SD[3] BUS HOST I/F data bus
132 VDD MCU
133 VSS MCU
134 D[4] SD[4] BUS HOST I/F data bus
135 D[5] SD[5] BUS HOST I/F data bus
136 D[6] SD[6] BUS H HOST I/F data bus
137 D[7] SD[7] BUS HOST I/F data bus
138 VSS MCU
139 VDD MCU
140 XWR GA_N_WR BUS Write enable input
141 VSS MCU
142 XCS GA_N_CS BUS Chip select input
143 XTST MCU For testing
144 XRD GA_N_RD BUS Read enable input