Chapter 4 Port Functions; Port Functions - NEC 78K0R/KE3 User Manual

16-bit single-chip microcontrollers

Table of Contents

There are three types of pin I/O buffer power supplies: AV

power supplies and the pins is shown below.

Power Supply

78K0R/KE3 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, see CHAPTER 2 PIN FUNCTIONS.

CHAPTER 4 PORT FUNCTIONS

Table 4-1. Pin I/O Buffer Power Supplies

Corresponding Pins

• Port pins other than P20 to P27 and P121 to P124

• RESET pin and FLMD0 pin

• P121 to P124

• Pins other than port pins (except RESET pin and FLMD0 pin )

Figure 4-1. Port Types

User's Manual U17854EJ9V0UD

. The relationship between these