Lucent Technologies MN10285K - Manual (Page 270)

I/O Ports
I/O Port Circuit Diagrams
MN102H75K/F75K/85K/F85K LSI User Manual Panasonic Semiconductor Development Company
269
Panasonic
Figure 11-18 P41/TM1IO, P42/TM5IOA, and P43/TM5IOB/HI0 (Port 4)
Figure 11-19 P44/TM5IC/HI1 (Port 4)
P4PUPn
0: Pullup off
1: Pullup on
P4DIRn
0: P41,P42,P43
1: TM1IO,TM5IOA,TM5IOB
P4MDn
0: Port input
1: Port output
P4OUTn
Pin 0: Port low output
1: Port high output
M
0
1
U
X
P4INn
TM1IO input, TM5IOA input,
TM5IOB output, HI0
TM1IO output, TM5IOA output,
TM5IOB output
P4DIR4
0: Port input
1: Port output
P4MD4
0: P44
1: TM5IC/HI1
P4OUT4
0: Port low output
1: Port high output
TM5IC/
HI1 input
Pin
P44/
TM5IC/
HI1