NEC PD78214 - Manual (Page 97)

68
µ
PD78214 Sub-Series
5.4.1 Hardware Configuration
Fig. 5-10 through 5-13 show the configuration of port 3.
Fig. 5-10 Block Diagram of P30 (Port 3)
P30
Internal bus
WR PM30 Port 3 mode register
PM30
WR PMC30
PMC30
WR P30
P30
RD PUO
WR PUO
RD PMC30
RD
P30
RD P30
RxD input
PUO3
Pull-up resistor option register
V
DD