31
Pin No.
Pin Name
I/O
Pin Description
80
FWE (L)
I
FLASH write enable input
81
RES
I
Reset input
82
NMI (H)
I
Non-maskable interruption input
83
STBY (H)
I
Hardware standby input
84
VCC
—
Power supply pin (+5 V)
85
XTAL
I
Main clock crystal input (18.432 MHz)
86
EXTAL
O
Main clock crystal output (18.432 MHz)
87
VSS
—
Ground
88
PF7
O
Not used. (Open)
89
VCC
—
Power supply pin (+5 V)
90 – 96
PF6 – 0
O
Not used. (Open)
97
UNI-SO
O
SONY BUS serial data output
98
UNI-SI
I
SONY BUS serial data input
99, 100
VSS
—
Ground
101
UNI-SCK
I
SONY BUS serial clock input
102
P53/ADTRG
O
Not used. (Open)
103
AVCC
—
A/D, D/A power supply pin (+5 V)
104
VREF
—
A/D, D/A reference voltage input (+5 V)
105
P40/AN0
I
Not used. (Connect to ground.)
106
P41/AN1
I
Not used. (Connect to ground.)
107
P42/AN2
I
Not used. (Connect to ground.)
108
P43/AN3
I
Not used. (Connect to ground.)
109
P44/AN4
I
Not used. (Connect to ground.)
110
P45/AN5
I
Not used. (Connect to ground.)
111
P46/AN6/DA0
I
Not used. (Connect to ground.)
112
P47/AN7/DA1
I
Not used. (Connect to ground.)
113
AVSS
—
A/D, D/A ground
114
VSS
—
Ground
115 – 122
P17 – 10
O
Not used. (Open)
123
MD0 (H)
I
Operation mode setting input (Fixed at “H”.)
124
MD1 (H)
I
Operation mode setting input (Fixed at “H”.)
125
MD2 (H)
I
Operation mode setting input (Fixed at “H”.)
126 – 128
PG0 – 2
O
Not used. (Open)
Содержание CDX-C8850 - Fm/am Compact Disc Player
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