Lucent Technologies MN10285K - Manual (Page 271)

I/O Ports
I/O Port Circuit Diagrams
Panasonic Semiconductor Development Company MN102H75K/F75K/85K/F85K LSI User Manual
270
Panasonic
Figure 11-20 P45/OSDXO and P46/OSDXI (Port 4)
P4PUP6
(0: Cut,1: Connect)
0: Pullup off
1: Pullup on
LCCNT is the OSDXI/O
oscillation control
signal from the OSD.
0: Disable
1: Enable
P4MD5
0: P45/P46
1: OSDXI/OSDXO
P4DIR6
0: Port input
1: Port output
P4OUT6
P46/OSDXI
Pin
P4IN6
0: Port low output
1: Port high output
LCCNT
To internal circuit
P45/OSDXO
Pin
P4PUP5
0: Pullup off
1: Pullup on
P4OUT5
0: P45
1: OSDXI
P4DIR5
0: Port input
1: Port output
P4IN5