UPD780031AY Datasheet, PDF (15/70 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLERS

TYPE 2
IN
µPD780031AY, 780032AY, 780033AY, 780034AY
Figure 3-1. Pin Input/Output Circuits
TYPE 13-R
Data
Output disable
N-ch
VSS0
IN/OUT
Schmitt-triggered input with hysteresis characteristics
TYPE 5-H
Pullup
enable
Data
Output
disable
Input
enable
TYPE 8-C
Pullup
enable
Data
Output
disable
VDD0
TYPE 16
VDD0
P-ch
P-ch
N-ch
VSS0
IN/OUT
XT1
Feedback
cut-off
P-ch
XT2
VDD0
TYPE 25
P-ch
VDD0
P-ch
Comparator
+
–
P-ch
N-ch
VSS0
IN
IN/OUT
VREF (threshold voltage)
N-ch
VSS0
Input
enable
TYPE 13-Q
Data
Output disable
VDD0


Mask
 option
N-ch
VSS0
IN/OUT
Input
enable
Data Sheet U14045EJ1V0DS00
15