Sony XES-Z50, Руководство по обслуживанию

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Pin No. Pin Name I/O Function
40 A4 O
41 A5 O
42 A6 O
43 A7 O
44 VSS — Ground terminal
45 A8 O
46 A9 O
47 A10 O
48 A11 O
49 A12 O
50 A13 O
51 A14 O
52 A15 O
53 A16 O
54 A17 O
55 A18 O
56 A19 O
57 VSS —
Ground terminal
58 NIH I
Not used (fixed at “H”)
59 NCO O
Not used (open)
60 NCO O
Not used (open)
61 Ø O
System clock output terminal Not used (open)
62 STBY I
Hardware standby signal input terminal (fixed at “H”)
63 RES I
Reset signal input from the display controller (IC802) “L”: reset
64 BU-IN I
Not used (fixed at “H”)
65 VSS —
Ground terminal
66 EXTAL I
System clock input terminal (14.745 MHz)
67 XTAL I
System clock input terminal (14.745 MHz)
68 VCC —
Power supply terminal (+5V)
69 AS O
Address strobe signal output terminal Not used (open)
70 RD O
Data reading strobe signal output to the flash memory (IC931) and S-RAM (IC932)
71 HWR O
Also, this is used as strobe signal output for data writing to the flash memory (IC931), strobe
signal output for higher byte data writing to the S-RAM (IC932), or latch signal to the LCD
controller for liquid crystal module
72 LWR O
Also, this is used as strobe signal output for data writing to the flash memory (IC931), strobe
signal output for lower byte data writing to the S-RAM (IC932), or latch signal to the LCD
controller for liquid crystal module
73 MD0 I
Input terminal for setting microcomputer operation mode (fixed at “L”)
74 MD1 I
Input terminal for setting microcomputer operation mode (fixed at “H”)
75 MD2 I
Input terminal for setting microcomputer operation mode (fixed at “H”)
76 AVDD —
Power supply terminal (+5V) (for A/D conversion)
77 AVREF I
Reference voltage input terminal (+5V) (for A/D conversion)
78 NIL I
79 NIL I
80 NIL I
81 NIL I
Address signal output to the flash memory (IC931) and S-RAM (IC932)
Address signal output to the flash memory (IC931) and S-RAM (IC932)
Not used (fixed at “L”)