NEC PD78F9488 Manuale Utente
User’s Manual U15331EJ4V1UD
75
CHAPTER 4 PORT FUNCTIONS
4.1 Port Functions
The
µ
PD789489 Subseries provides the ports shown in Figure 4-1, enabling various methods of control. The
functions of each port are shown in Table 4-1.
Numerous other functions are provided that can be used in addition to the digital I/O port functions. For more
information on these additional functions, see CHAPTER 2 PIN FUNCTIONS.
Figure 4-1. Port Types
P50
P00
Port 0
Port 5
P53
P07
P25
Port 6
P60
P67
P10
Port 1
P11
Port 2
P20
P34
Port 3
P30
P70
Port 7
P73
Port 8
P80
P87
Remark Ports 7 and 8 are used when the port function is selected by a mask option or port function register.