Sony NW-A1000, Руководство по обслуживанию

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39
NW-A1000
Pin No. Pin Name I/O
Description
74 HIORDY I
Wait signal input from the hard disk drive unit
75 VSS -
Ground terminal (logic system)
76 VDD - Power supply terminal (+3.3V) (logic system)
77 XHDMACK O
DMA acknowledge signal output to the hard disk drive unit
78 HINTRQ I
Interrupt request signal input from the hard disk drive unit
79 HA1 O Address signal output to the hard disk drive unit
80 XHPDIAG I
Diagnosis sequence compression signal input from the hard disk drive unit
81, 82 HA0, HA2 O
Address signal output to the hard disk drive unit
83, 84 HCS0, HCS1 O Chip select signal output to the hard disk drive unit
85 XHDASP I
Drive valid signal and slave drive detection signal input from the hard disk drive unit
86 VSS -
Ground terminal (logic system)
87, 88
CLKSEL0,
CLKSEL1
I
Input terminal for oscillation frequency setting Fixed at 12 MHz in this set
89 VSS -
Ground terminal (logic system)
90 XVSS -
Ground terminal (logic system)
91 XVDD - Power supply terminal (+3.3V) (logic system)
92 VDD -
Power supply terminal (+3.3V) (logic system)
93 PVDD -
Power supply terminal (+3.3V) (for PLL)
94 VDD -
Power supply terminal (+3.3V) (logic system)
95 PVSS -
Ground terminal (for PLL)
96 to 98 NC -
Not used
99 XI I
Sub system clock input terminal (12 MHz)
100 XO O Sub system clock output terminal (12 MHz)