UPD78044F datasheet(36/472 Pages) NEC

36 / 472 page

Chapter 2

Pin Function (µPD780828A Subseries)

User’s Manual U16504EE1V1UD00

Input/Output

P60

Port 6

6 bit input / output port

input / output mode can be specified bit-wise

If used as an input port, a pull-up resistor can be

connected by software bit-wise

SGOF/SGO

Input

P61

SGOA/PCL

Input

P62

RXD0

Input

P63

TXD0

Input

P64

TI20

Input

P65

TI21

Input

Input/Output P80-P87

Port 7

8 bit input / output port

input / output mode can be specified bit-wise

If used as an input port, a pull-up resistor can be

connected by software bit-wise

This port can be used as a segment signal output

port or an I/O port in 1 bit units by setting port

function

S15-S8

Input

Input/Output

P90

Port 9

8 bit input / output port

input / output mode can be specified bit-wise

If used as an input port, a pull-up resistor can be

connected by software bit-wise

This port can be used as a segment signal output

port or an I/O port in 1 bit units by setting port

function

TI22/S23

Input

P91

TI51/TO51/S22

Input

P92

TPO/S21

Input

P93

SCK31/S20

Input

P94

SO31/SIO31/S19

Input

P95

SI31/S18

Input

P96

S17

Input

P97

S16

Input

Table 2-1: Pin Input/Output Types (2/2)

Input/Output

Pin Name

Function

Alternate Function

After

Reset

UPD78044F Datasheet(PDF) 36 Page - NEC

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