UPD78F0138 NEC, UPD78F0138 Datasheet - Page 46

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

46
RESET
XT1
XT2
AV
AV
IC
V
PP
Note Connect port 2 directly to EV
REF
SS
Pin Name
2
16
I/O Circuit Type
DD
Table 2-2. Pin I/O Circuit Types (2/2)
−
when it is used as a digital port.
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16228EJ2V0UD
Input
I/O
−
Connect directly to EV
Leave open.
Connect directly to EV
Connect directly to EV
Connect to EV
Recommended Connection of Unused Pins
SS
or V
SS
DD
DD
SS
.
or V
or V
or V
SS
DD
DD
.
.
Note
−
.