Sony NW-A1000 Service Manual page 39

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