UPD784044 Datasheet, PDF (17/90 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

Type 1
IN
Type 2
IN
µPD784044(A), 784046(A)
Figure 5-1. I/O Circuits of Pins
Type 5-A
VDD
P-ch
N-ch
Pullup
Enable
Data
Output
disable
Input
enable
Type 8
Data
Output
disable
VDD
VDD
P-ch
N-ch
P-ch
IN/OUT
VDD
P-ch
N-ch
IN/OUT
Schmitt trigger input with hysteresis characteristics
Type 3
Type 9
VDD
P-ch
N-ch
OUT
P-ch
IN
N-ch
Comparator
VREF
(Threshold voltage)
Input
enable
Type 5
Data
Output
disable
Input
enable
VDD
P-ch
N-ch
IN/OUT
17