Chapter 4 Port Functions; Port Functions - NEC 78K0 User Manual

4.1 Port Functions

There are two types of pin I/O buffer power supplies: AV
supplies and the pins is shown below.
78K0/KC1 products are provided with the ports shown in Figure 4-1, which enable variety of control operations.
The functions of each port are shown in Table 4-2.
In addition to the function as digital I/O ports, these ports have several alternate functions. For details of the
alternate functions, refer to CHAPTER 2 PIN FUNCTIONS.
Port 3
Port 6
Port 7
Port 12
Port 13

CHAPTER 4 PORT FUNCTIONS

Table 4-1. Pin I/O Buffer Power Supplies
Power Supply
AV P20 to P27
REF
EV Port pins other than P20 to P27
DD
Figure 4-1. Port Types
P30
P33
P60
P63
P70
P73
P120
P130
User's Manual U16227EJ2V0UD
and EV . The relationship between these power
REF DD
Corresponding Pins
P00
P01
P10
P17
P20
P27
Port 0
Port 1
Port 2
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