Sony MDS-PC3 User Manual
Page 53
53
58
SHCK (MNT1)
I
Track jump signal input from the CXD2662R
59
VCC
—
Power supply (+3.3V)
60
EEP-WP
O
EEP-ROM write protect signal output L: write possibility
61
SDA
I/O
Data signal input/output pin with the EEP-ROM
62
BUSCLK
O
Not used
63
OE
O
Not used
64
CASH
O
Not used
65
WE R/W
O
Write signal output
66
SCL
O
Clock signal output to the EEP-ROM
67
REFLECT-SW
I
Disk reflection rate detection input from the reflect detection switch H: Disk with low reflection rate
68
PROTECT-SW
I
Recording-protection claw detection input from the protection detection switch H: Protect
69
CS0
O
Chip select signal output to the Flash ROM
70
CS1
O
Not used
71
CS2
O
Not used
72
A20
O
Address bus signal output to Flash ROM (Not used)
73
A19
O
Address bus signal output to Flash ROM
74
VCC
—
Power supply (+3.3V)
75
A18
O
Address bus signal output to Flash ROM
76
VSS
—
Ground
77 to 85
A17 to A9
O
Address bus signal output to Flash ROM
86 to 89
MODEL SEL-1-4
O
Not used
90
WP
O
Write protect signal to the Flash ROM
91
VCC
—
Power supply (+3.3V)
92
A8
O
Address bus signal output to Flash ROM
93
VSS
—
Ground
94 to 100
A7 to A1
O
Address bus signal output to Flash ROM
101
A0 LB
O
Not used
102 to 113
D15 to D4
I/O
Data bus signal input/output to the Flash ROM
114
KB.CLK-CTL
O
Not used
115
IIC BUSY
I
IIC busy signal input
116
KB DATA
I
fixed at H (Pull-up)
117
REC-VOL-B
O
Not used
118
REC-VOL-A
O
Not used
119 to 122
D3 to D0
I/O
Data bus signal input/output to the Flash ROM
123
JOG0
I
JOG encoder signal input
124
JOG1
I
JOG encoder signal input
125
LATCH (AD)
O
Not used
126
REC
O
Not used
127
L: DIN1/H: CLIP
O
Not used
128
CS (FL)
O
Chip select signal output to the display driver
129
POWER (IIC)
O
CONTROL-I power ON/OFF signal output
130
VSS
—
Ground
131
STB
O
Strobe signal output (Not used)
132
VCC
—
Power supply. (+3.3V)
133
IOP
I
Optical Pick-up IR power level detect signal input
134
A/D 6
I
Not used
135
A/D-5
I
Not used
136
TIMER/BEEP SW
I
Fixed at H (pull up)
137
KEY3
I
Fixed at H (pull up)
138
KEY2
I
Key input pin (A/D input)
139
KEY 1
I
Key input pin (A/D input)
140
AVSS
—
Ground (Analog)
141
KEY0
I
Key input pin (A/D input)
142
VREF
I
A/D reference voltage (Conect in sys 3.3V)
143
AVCC
—
BAK 3.3V
144
NC
I
Not used
Function
Pin Name
Pin No.
I/O