NEC 78K0 User Manual page 58

Pin Name
P130
P140/PCL/INTP6
P141/BUZ/BUSY0/INTP7
P142/SCKA0
P143/SIA0
P144/SOA0
P145/STB
RESET
XT1
XT2
AV
REF
AV
SS
IC
V
PP
Note Connect port 2 directly to EV
58
CHAPTER 2 PIN FUNCTIONS
Table 2-2. Pin I/O Circuit Types (2/2)
I/O Circuit Type I/O
3-C Output
8-A I/O
5-A
2 Input
16
−
−
when it is used as a digital port.
DD
User's Manual U15947EJ2V0UD
Recommended Connection of Unused Pins
Leave open.
Input: Independently connect to EV
Output: Leave open.
Connect directly to EV or V
DD DD
Leave open.
Connect directly to EV or V
DD DD
Connect directly to EV or V
SS SS
Connect to EV or V .
SS SS
*
or EV via a resistor.
DD SS
−
.
Note
.
.