Electronics America Single-Chip Microcontrollers User's Manual

CHAPTER 2 PIN FUNCTIONS
User’s Manual U15331EJ4V1UD
47
Figure 2-1. I/O Circuit Types (2/2)
Type 13-W Type 13-V
Data
Output
disable
Input
enable
IN/OUT
N -ch
V
SS
Mask
option
V DD
Middle-voltage input buffer
Data
Output
disable
Input
enable
IN/OUT
N -ch
V
SS
Middle-voltage input buffer
Type 17 Type 18
P-ch
N-ch
P-ch
N-ch
N-ch
N-ch
data
OUT
V
LC0
V LC1
SEG
V
LC2
P-ch
P-ch
P-ch
N-ch
P-ch
N-ch
P-ch
N-ch
P-ch
N-ch
data
P-ch
N-ch
VLC1
VLC0
VLC2
OUT
COM