UPD784938 Datasheet, PDF (64/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 2 PIN FUNCTIONS
Type 1
IN
VDD
P
N
Figure 2-1. Pin Input/Output Circuits
Type 5-A
Pullup
enable
Data
Type 2
IN
Schmitt-triggered input with hysteresis characteristics.
Type 2-A
VDD
P
IN
Pullup
enable
Schmitt-triggered input with hysteresis characteristics.
Type 3
data
VDD
P-ch
N-ch
OUT
Output
disable
Type 8-A
Input
enable
Pullup
enable
Data
Output
disable
Type 10-A
Pullup
enable
Data
Open
drain
Output
disable
VDD
P
VDD
P
IN/OUT
N
VDD
P
VDD
P
IN/OUT
N
VDD
P
VDD
P
N
IN/OUT
Type 4
Data
Output
Disable
VDD
P
OUT
N
Push-pull output allowing output to be set to high impedance
(P-ch & N-ch both off).
Type 20
Data
VDD
P
Output
N
disable
Input
enable
Comparator
+
-
P
N
VREF
(Threshold voltage)
IN/OUT
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Preliminary User’s Manual U13987EJ1V0UM00