UPD784915B Datasheet, PDF (17/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
Type 2
Figure 2-1. I/O Circuits of Pins (1/2)
Type 5-A
IN
Schmitt trigger input with hysteresis characteristics
Type 2-A
VDD
P-ch
IN
pullup
enable
pullup
enable
data
output
disable
input
enable
VDD
VDD
P-ch
N-ch
P-ch
IN/
OUT
Schmitt trigger input with hysteresis characteristics
Type 3
Type 7
data
VDD
P-ch
N-ch
OUT
IN
P-ch
N-ch
+ ^Comparator
-
VREF (threshold voltage)
Type 4
Type 8-A
data
output
disable
VDD
P-ch
N-ch
OUT
Push-pull output that can make output high
impedance (both P-ch and N-ch are off)
pullup
enable
data
output
disable
VDD
VDD
P-ch
N-ch
P-ch
IN/
OUT
17