NEC PD78P214 Manuale Utente
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