µPD178023, 178024
Figure 1-1. I/O Circuits of Respective Pins (1/2)
Type 2
Type 5
VDD
Data
P-ch
IN/OUT
IN
Output
disable
N-ch
Input
enable
Schmitt trigger input with hysteresis characteristics
Type 5-A
Type 5-K
Data
VDD
VDD
Pullup
enable
P-ch
P-ch
VDD
P-ch
IN/OUT
Data
Output
disable
N-ch
IN/OUT
Output
disable
N-ch
Input
enable
Input
enable
Type 8
Type 10-D
VDD
VDD
Data
Data
P-ch
P-ch
IN/OUT
IN/OUT
Open drain
Output
disable
N-ch
N-ch
output disable
Input
enable
Remark VDD and GND are the positive power supply and ground pins for all port pins. Take VDD and GND as
VDDPORT and GNDPORT.
14
Data Sheet U14126EJ1V0DS00