NEC PD78058FY(A) User Manual

Page 126

Advertising
background image

126

CHAPTER 6 PORT FUNCTIONS

Pin Name

Function

Alternate Function

P00

Port 0.

Input only

INTP0/TI00

P01

8-bit input/output port.

Input/output mode can be specified

INTP1/TI01

P02

bit-wise.

INTP2

P03

If used as an input port, an on-chip pull-up

INTP3

P04

resistor can be used by software.

INTP4

P05

INTP5

P06

INTP6

P07

Input only

XT1

P10 to P17

Port 1.

ANI0 to ANI7

8-bit input/output port.

Input/output mode can be specified bit-wise.

If used as an input port, an on-chip pull-up resistor can be used by software.

P20

Port 2.

SI1

P21

8-bit input/output port.

SO1

P22

Input/output mode can be specified bit-wise.

SCK1

P23

If used as an input port, an on-chip pull-up resistor can be used by software.

STB

P24

BUSY

P25

SI0/SB0

P26

SO0/SB1

P27

SCK0

P30

Port 3.

TO0

P31

8-bit input/output port.

TO1

P32

Input/output mode can be specified bit-wise.

TO2

P33

If used as an input port, an on-chip pull-up resistor can be used by software.

TI1

P34

TI2

P35

PCL

P36

BUZ

P37

P40 to P47

Port 4.

AD0 to AD7

8-bit input/output port.

Input/output mode can be specified in 8-bit units.

If used as an input port, an on-chip pull-up resistor can be used by software.

Test input flag (KRIF) is set to 1 by falling edge detection.

P50 to P57

Port 5.

A8 to A15

8-bit input/output port.

LED can be driven directly.

Input/output mode can be specified bit-wise.

If used as an input port, an on-chip pull-up resistor can be used by software.

Table 6-1. Port Functions (

µ

PD78058F Subseries) (1/2)

Advertising
This manual is related to the following products: