28
Pin No.
Pin Name
I/O
Pin Description
81
RES
I
System reset input
82
NMI (H)
I
Non-maskable interruption input (Connect to pin
rl
(BU IN).)
83
STBY (H)
I
Hardware standby input “H”: Not used
84
VCC
—
Power supply pin (+5 V)
85
XTAL
O
Crystal oscillation output (18.432 MHz)
86
EXTAL
I
Crystal oscillation input (18.432 MHz)
87
VSS
—
Ground pin
88
PF7
O
Not used in this set (Open)
89
VCC
—
Power supply pin (+5 V)
90 – 96
PF6 – 0
O
Not used in this set (Open)
97
UNI-SO
O
SONY BUS system serial data output
98
UNI-SI
I
SONY BUS system serial data input
99, 100
VSS
—
Ground pin
101
UNI-SCK
I
SONY BUS system serial clock input
102
P53/ADTRG
O
Not used in this set (Open)
103
AVCC
—
Power supply pin (+5 V) of analog macro (D/A, A/D etc.)
104
VREF
—
A/D, D/A converter reference voltage pin (+5 V)
105
P40/AN0
I
Peak hold voltage detection input from the IC652 (BA3834F)
106 – 110
P41/AN0 – P45/AN5
I
Not used in this set (Connect to ground in this set)
111
P46/AN6/DA0
I
Not used in this set (Connect to ground in this set)
112
P47/AN7/DA1
I
Not used in this set (Connect to ground in this set)
113
AVSS
—
Ground pin
114
VSS
—
Ground pin
115 – 122
P17 – P10
O
Not used in this set (Open)
123 – 125
MD0 – 2 (H)
I
Operation mode setting input (Fixed at “H” in this set)
126 – 128
PG0 – 2
O
Not used in this set (Open)
