Read Sony STR-DE485 / STR-DE485E Service Manual online
13
STR-DE485/DE485E
54
BOOT
I
Not used (connected to ground)
55
BTACT
O
Not used (open)
56
BST
I
Boot stop signal input
57
MOD1
I
Operation mode signal input (L : 386fs, H : 256fs)
58
MOD0
I
Operation mode signal input (L : single chip mode, H : use prohibited)
59
EXLOCK
I
Lock signal input
60
VDDI
I
Power supply
61
VSS
—
Ground
62, 63
A17, A16
O
Not used (open)
64 to 66
A15 to A13
O
External memory address output (SRAM)
67
GP10
O
LRCK0
68
GP9 (DECODE)
O
DECODE
69
GP8 (AUDIO)
I
AUDIO
70
VDDI
I
Power supply
71
VSS
—
Ground
72 to 75
D15/GP7 to D12/GP4
I/O
External memory data input/output (general port)
76
VDDE
I
Power supply
77 to 80
D11/GP3 to D8/GP0
I/O
External memory data input/output (general port)
81
VSS
—
Ground
82 to 85
A9 to A12
O
External memory address output (SRAM)
86
TDO
O
Not used (open)
87
TMS
I
Not used (open)
88
XTRST
I
Not used (open)
89
TCK
I
Not used (open)
90
TDI
I
Not used (open)
91
VSS
—
Ground
92 to 97
A8 to A3
O
External memory address output (SRAM)
98, 99
D7, D6
I/O
External memory data input/output (SRAM)
100
VDDI
I
Power supply
101
VSS
—
Ground
102 to 105
D5 to D2
I/O
External memory data input/output (SRAM)
106
VDDE
I
Power supply
107, 108
D1, D0
I/O
External memory data input/output (SRAM)
109, 110
A2, A1
O
External memory address output (SRAM)
111
VSS
—
Ground
112
A0
O
External memory address output (SRAM)
113
PM
I
PLL initialization input terminal
114, 115
SDI3, SDI4
I
Not used (open)
116
SYNC
I
Sync/async selection input (L : sync, H : async)
117 to 119
VSS
—
Ground
120
VDDI
I
Power supply
Pin No.
Pin Name
I/O
Description
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