Datasheet

CHAPTER 2 PIN FUNCTIONS
User’s Manual U18172EJ3V0UD
28
Figure 2-1. Pin I/O Circuits
Type 2
Type 11
Type 36
Type 8-A
IN
Schmitt-triggered input with hysteresis characteristics
Pull up
enable
Data
Output
disable
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
Data
Output
disable
Pull up
enable
V DD
P-ch
N-ch
IN/OUT
Comparison
voltage
V
SS
P-ch
N-ch
+
Input
enable
-
V DD
P-ch
Comparator
P-ch
feedback
cut-off
X1,
IN/OUT
X2,
IN/OUT
OSC
enable
data
output
disable
V
DD
P-ch
N-ch
V SS
P-ch
N-ch
+
-
pullup
enable
V
DD
P-ch
data
output
disable
V
DD
P-ch
N-ch
V SS
P-ch
N-ch
+
-
pullup
enable
V
DD
P-ch
Comparator
Comparator
V SS
V SS
V SS
Comparison
voltage
Comparison
voltage
Type 2-A
Schmitt-triggered input with hysteresis characteristics
IN
Pull up
enable
V
DD
P-ch
<R>