Sony DVP-S9, Руководство по обслуживанию

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50
DVP-S9
Pin No. Pin Name I/O Description
51 XIFCS O
Chip select signal output to the interface controller (IC401)
52 VSS —
Ground terminal
53 X1 O
System clock output terminal (16.5MHz)
54 X0 I
System clock input terminal (16.5MHz)
55 VCC —
Power supply terminal (+3.3V)
56 CKSW1 —
Not used (open)
57 OCSSW1 —
Not used (open)
58 CS0X O
Chip select signal output to the flash memory (IC107)
59 CS1X —
Not used (open)
60 CS2X O
Chip select signal output to the AV decoder (IC503)
61 CS3X O
Chip select signal output to the AV decoder (IC503)
62 CS4X O
Chip select signal output to the ARP (IC302)
63 CS5X O
Chip select signal output to the Servo DSP (IC302)
64 C —
Capacitor connected terminal
65 CS6X O
Chip select signal output to the gate array (IC202)
66 CS7X —
Not used (open)
67 XWAIT I
Wait signal input terminal
68 BGRNTX —
Not used (fixed at “H”)
69 BGR —
Not used (open)
70 XRD O
Read enable signal output terminal
71 XWRH O
High byte write enable signal output terminal
72 XWRL —
Not used (open)
73 NMIX —
Not used (fixed at “H”)
74 HSTX —
Not used (fixed at “H”)
75 VSS —
Ground terminal
76 XFRRST I
Reset signal input from the interface controller (IC401) “L”: reset
77 CPUCK O
CPU clock signal output terminal
78 OCSW2 —
Not used (fixed at “H”)
79 XDACX —
Not used (fixed at “H”)
80 VESCS/X39CS —
Not used (fixed at “H”)
81 48/44.1K O
Sampling frequency selection signal output terminal “L”: 48kHz, “H”: 44.1kHz
82 WIDE O
Wide signal output terminal
83 MAMUTE I
System OK signal input terminal
84 XLDON O
LD control signal output terminal
85 to 100 HD0 to HD15 I/O
Two-way data bus terminal
101 VSS —
Ground terminal
102 to 109 HA0 to HA7 O
Address signal output terminal
110 VCC —
Power supply terminal (+3.3V)
111 to 118 HA8 to HA15 O
Address signal output terminal
119 VSS —
Ground terminal
120 HA16 O
Address signal output terminal