IBM uPD78082 - Manual (Page 46)

23
CHAPTER 2 PIN FUNCTION
Figure 2-1. Pin Input/Output Circuit of List
IN
pull-up
enable
V DD
P-ch
IN/OUT
input
enable
output
disable
data
V
DD
P-ch
N-ch
Type 2
Type 5-A
Schmitt-Triggered Input with
Hysteresis Characteristics
Type 11
Type 8-A
pull-up
enable
V
DD
P-ch
IN/OUT
output
disable
data
V
DD
P-ch
N-ch
pull-up
enable
V DD
P-ch
IN/OUT
output
disable
data
V DD
P-ch
N-ch
P-ch
comparator
N-ch
input
enable
V
REF
(Threshold voltage)
+
–