ICD-SX46VTP - Sony Audio Service Manual (repair manual). Page 28

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28
ICD-SX46VTP
Pin No.
Pin Name
I/O
Description
53
TSIAK
O
Time sharing serial input response (Not used)
54
TSORQ
O
Time sharing serial output request (Note used)
55
TSIEN
I
Time sharing serial input enable
56
EVDD
I/O power supply (3.1 V)
57
MA1
O
Memory address bus 1 (Not used)
58
MA0
O
Memory address bus 0 (Not used)
59
GND
Ground terminal
60
IVDD
Core power supply (1.6 V)
61
MA2
O
Memory address bus 2 (Not used)
62
MA4
 O
Memory address bus 4 (Not used)
63
GND
Ground terminal
64
MA3
O
Memory address bus 3 (Not used)
65
MA7
O
Memory address bus 7 (Not used)
66
MA5
O
Memory address bus 5 (Not used)
67
MA8
O
Memory address bus 8 (Not used)
68
MA6
O
Memory address bus 6 (Not used)
69
MA9
O
Memory address bus 9 (Not used)
70
MA10
O
Memory address 10 (Not used)
71
GND
Ground terminal
72
EVDD
I/O power supply (3.1 V)
73
MA11
O
Memory address 11 (Not used)
74
MA12
O
Memory address 12 (Not used)
75
MA14
O
Memory address 14 (Not used)
76
MA13
O
Memory address 13 (Not used)
77
MA16
O
Memory address 16 (Not used)
78
MA15
O
Memory address 15 (Not used)
79
EVDD
I/O power supply (3.1 V)
80
MA17
O
Memory address 17 (Not used)
81 to 84
NC
Not used
85
EVDD
I/O power supply (3.1 V)
86
MA18
O
Memory address 18 (Not used)
87
MA19
O
Memory address 19 (Not used)
88
XMHOLDAK
O
Memory bus hold response (Not used)
89
XMRD
O
Memory read-out (Not used)
90
XMHOLDRQ
I
Memory bus hold request (Pull-up) (fixed at “H”)
91
GND
Ground terminal
92
EVDD
 —
I/O power supply (3.1 V)
93
XMWAIT
I
Memory access weight (Pull-up)
94
XMWR
O
Memory write (Not used)
95
GND
Ground terminal
96
IVDD
Core power supply (1.6 V)
97
XMBSTB
O
Memory bus strobe (Not used)
98
MD0
I/O
Memory data bus (Not used)
99
GND
Ground terminal
100
MD3
I/O
Memory data bus (Not used)
101
MD1
I/O
Memory data bus (Not used)
102
MD4
I/O
Memory data bus (Not used)
103
MD5
I/O
Memory data bus (Not used)
104
MD6
I/O
Memory data bus (Not used)
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