NEC mPD780852 Series, Preliminary User'S Manual

Page: 44 / 315

44
CHAPTER 2 PIN FUNCTION
Preliminary User’s Manual U14581EJ3V0UM00
Figure 2-1. I/O Circuits of Pins (1/2)
Type 2
Schmitt-triggered input with hysteresis characteristics
IN
Type 5
data
output
disable
P-ch
IN/OUT
V
DD
N-ch
P-ch
V
DD
pullup
enable
Type 4
data
output
disable
P-ch
OUT
V
DD
N-ch
Type 8-A
Type 8
Type 9
data
output
disable
P-ch
IN/OUT
V
DD
N-ch
data
output
disable
input
enable
P-ch
IN/OUT
V
DD
N-ch
+
–
input
enable
Comparator
P-ch
N-ch
V
REF
(Threshold voltage)
IN
Push-pull output whose output can go into a high-
impedance state (both P-ch and N-ch are off).