CHAPTER 2 PIN FUNCTIONS
45
User’s Manual U15195EJ5V0UD
2.5 Pin I/O Circuits
Type 2
Schmitt-triggered input with hysteresis characteristics
IN
Type 4
Push-pull output with possible high-impedance output
(P-ch, N-ch both off)
Data
Output
disable
P-ch
OUT
V
DD
N-ch
Type 5
Data
Output
disable
P-ch
IN/OUT
V
DD
N-ch
Input
enable
Type 5-AC
Type 7
IN
Comparator
+
_
V
REF
(threshold voltage)
P-ch
N-ch
P-ch
N-ch
V
DD
IN/OUT
Data
Output
disable
Input
enable