UPD753012GC NEC, UPD753012GC Datasheet - Page 11

• Manufacturer Part Number: UPD753012GC
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

3.2 Pins Other than Port Pins (2/2)
Note Circled characters indicate the Schmitt trigger input.
XT1
XT2
RESET
IC
V
V
Pin Name
DD
SS
Input/Output
Input
Input
–
–
–
–
Function Pin
Dual
–
–
–
–
–
Crystal connection pin for the subsystem clock os-
cillator. When the external clock is used, input the
external clock to pin XT1. In this case, pin XT2 must
be left unconnected. Pin XT1 can be used as a 1-
bit input (test) pin.
System reset input (low level active)
Internally connected. Connect directly to V
Positive power supply
GND
Function
PD753012, 753016, 753017
DD
.
At Reset
–
–
–
–
–
I/O Circuit
TYPE
–
B
–
–
–
Note
11