Configurations Of Ports 4 And 5 - NEC PD750004 User Manual

µPD750008 USER'S MANUAL
72
Figure 5-5. Configurations of Ports 4 and 5
Input buffer
MPX
Output
latch
PMm
Corresponding bits of port mode
register group B (m = 4, 5)
V
DD
Pull-up resistor
(Mask option)
PMm = 0
PMm = 1
N-ch open-drain
output buffer
Pm0
Pm1
Pm2
Pm3