Pin Input/Output Circuits - NEC UPD789426 Series User Manual

Type 2
IN
Schmitt-triggered input with hysteresis characteristics
Type 5-A
Pull-up
enable
Data
Output
disable
V
Input
enable
Type 8-A
Pull-up
enable
Data
Output
disable
V
Type 9-C
P-ch
IN
N-ch
AV
SS
(Threshold voltage)
CHAPTER 2 PIN FUNCTIONS
Figure 2-1. Pin Input/Output Circuits
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
SS
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
SS
Comparator
+
-
V
REF
Input
enable
User's Manual U15075EJ2V1UD
Type 13-V
Output data
Output disable
Input enable
Middle-voltage
input buffer
Type 13-W
Pull-up resistor
(mask option)
Output data
Output disable
Input enable
Middle-voltage
input buffer
Type 17
V
LC0
P-ch
P-ch
V
LC1
N-ch
SEG
data
P-ch
V
LC2
N-ch
N-ch
Type 18
V
LC0
P-ch
P-ch
V
LC1
N-ch
COM
data
P-ch
V
LC2
N-ch
N-ch
IN/OUT
N-ch
V
SS
V
DD
IN/OUT
N-ch
V
SS
P-ch
OUT
N-ch
N-ch
P-ch
OUT
P-ch
N-ch
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