NEC mPD789101, User Manual

Page: 45 / 265

User’s Manual U13045EJ2V0UM00
45
CHAPTER 3 PIN FUNCTIONS
Figure 3-1. Pin Input/Output Circuits
Schmitt-triggered input with hysteresis characteristics
Type 2
IN
Type 5-A
Pull-up
enable
Data
Output
disable
Input
enable
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
Type 13-V
V
SS
V
SS
Type 8-A
Pull-up
enable
Data
Output
disable
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
V
SS
Type 9-C
IN
Comparator
+
–
V
REF
(Threshold voltage)
AV
SS
P-ch
N-ch
Input
enable
Output data
Output disable
IN/OUT
V
DD
N-ch
Input enable
Pull-up resistor
(mask option)
Type 13-W
V
SS
Output data
Output disable
IN/OUT
N-ch
Middle-voltage input buffer
Middle-voltage input buffer
Input enable