Yamaha MCX 1000 - MusicCAST - Digital Audio Server, Руководство по обслуживанию, Страница: 37 / 111

MCX-1000
37
MCX-1000
Pin No. Signal Name I/O Active Function Buffer form
65 AV̲BEND2 O H AV extension bus forward block data complete LV-TTL
66 AV̲BEND3 O H AV extension bus forward block data complete LV-TTL
67 AV̲/DRQ0 I L AV extension bus forward data complete LV-TTL(P-up)
68 AV̲/DRQ1 I L AV extension bus forward data complete LV-TTL(P-up)
69 AV̲/DRQ2 I L AV extension bus forward data complete LV-TTL(P-up)
70 AV̲/DRQ3 I L AV extension bus forward data complete LV-TTL(P-up)
71 Vdd +3.3V power supply
72 AV̲/RDY I L AV extension bus ready LV-TTL
73 Vss GND
74 AV̲/DS O L AV extension bus data strobe LV-TTL
75 AV̲A1 O H AV extension bus address bus LV-TTL
76 AV̲A2 O H AV extension bus address bus LV-TTL
77 AV̲A3 O H AV extension bus address bus LV-TTL
78 AV̲R̲/W O H AV extension bus read/write LV-TTL
79 AV̲/CS0 O L AV extension bus chip select 0 LV-TTL
80 AV̲/CS1 O L AV extension bus chip select 1 LV-TTL
81 AV̲GPO O H AV extension bus general output port LV-TTL
82 Vdd +3.3V power supply
83 AV̲/INT0 I L AV extension bus interrupted LV-TTL(P-up)
84 AV̲/INT1 I L AV extension bus interrupted LV-TTL(P-up)
85 Vss GND
86 Vss GND
87 ID̲DD00 I/O H ATA interface data bus S-TTL(P-up)
88 ID̲DD01 I/O H ATA interface data bus S-TTL(P-up)
89 Vcc +5V POWER SUPPLY (FOR ATA-3 INTERFACE)
90 ID̲DD02 I/O H ATA interface data bus S-TTL(P-up)
91 ID̲DD03 I/O H ATA interface data bus S-TTL(P-up)
92 ID̲DD04 I/O H ATA interface data bus S-TTL(P-up)
93 Vss GND
94 ID̲DD05 I/O H ATA interface data bus S-TTL(P-up)
95 ID̲DD06 I/O H ATA interface data bus S-TTL(P-up)
96 Vdd +3.3V power supply
97 ID̲DD07 I/O H ATA interface data bus S-TTL(P-up)
98 ID̲DD08 I/O H ATA interface data bus S-TTL(P-up)
99 ID̲DD09 I/O H ATA interface data bus S-TTL(P-up)
100 Vss GND
101 ID̲DD10 I/O H ATA interface data bus S-TTL(P-up)
102 ID̲DD11 I/O H ATA interface data bus S-TTL(P-up)
103 Vcc +5V POWER SUPPLY (FOR ATA-3 INTERFACE)
104 ID̲DD12 I/O H ATA interface data bus S-TTL(P-up)
105 ID̲DD13 I/O H ATA interface data bus S-TTL(P-up)
106 Vcc +5V POWER SUPPLY (FOR ATA-3 INTERFACE)
107 ID̲DD14 I/O H ATA interface data bus S-TTL(P-up)
108 ID̲DD15 I/O H ATA interface data bus S-TTL(P-up)
109 Vss GND
110 ID̲DA0 O H ATA interface address bus TTL
111 ID̲DA1 O H ATA interface address bus TTL
112 ID̲DA2 O H ATA interface address bus TTL
113 ID0̲INTR I H ATA interface 0 interrupted request S-TTL
IC222 : HD64480F (MAIN P.C.B.)
Bus Bridge LSI