Sony DVP-PQ2 Service Manual page 52

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Pin No.
Pin name
55
VCC
56
CKSW1
57
OCSW1
58
CS0X
59
CS1X
60
CS2X
61
CS3X
62
CS4X
63
CS5X
64
VCCI
65
CS6X
66
CS7X
67
XWAIT
68
BGRNTX
69
BRQ
70
XRD
71
XWRH
72
XWRL
73
NMIX
74
VCCI
75
VSS
76
XFRRST
77
CPUCK
78
OCSW2
TE
L 13942296513
79
XDACS
80
TRM–
81
48/44.1K
82
WIDE
83
MA_MUTE
84
SRAMWE
85-92
HD0-HD7
93-100
HD8-HD15
101
VSS
102-109 HA0-HA7
110
VCC
111-118 HA8-HA15
119
VSS
120
HA16
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I/O
Function
-
Power supply (+3.3 V)
-
Not used
-
Not used
O
External ROM chip select signal output
O
Extranal RAM chip select signal output
O
AV DEC Chip select signal output
O
AV DEC Chip select signal output
O
ARP Chip select signal output
O
SDSP Chip select signal output
-
Power supply (+1.8 V)
-
Not used
-
Not used
I
Wait signal input
I
Test terminal (fixed at "H")
I
Test terminal (fixed at "L")
O
Read enable signal output
O
High byte write enable signal output (16 bit and 8 bit)
O
Lower order (progre only)
I
Not used (fixed at "H")
-
Power supply (+1.8 V)
-
Ground
I
IF CON Reset signal input
O
CPU clock signal output
-
Not used
O
DAC (2ch) chip select signal output
-
Not used
O
PLL FS control signal output
O
Laser diode mute signal output
O
Audio mute signal output
O
SRAM write enable (progre only)
I/O
Data bus D0-D7 (16 bit only)
I/O
Data bus D8-D15 (16 bit) , D0-D7 (8 bit)
-
Ground
O
Address bus A00-A07
-
Power supply (+3.3 V)
O
Address bus A08-A15
-
Ground
O
Address bus A16
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