NEC switch - Manual (Page 57)

User’s Manual U12978EJ3V0UD
57
CHAPTER 4 PORT FUNCTIONS
4.1 Port Functions
The
µPD789800 Subseries provides the ports shown in Figure 4-1, enabling various methods of control.
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
P20
P26
P40
P47
P10
P17
Port 2
Port 4 Port 1
P00
P07
Port 0