UPD753204 Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPD753204

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD753204, 753206, 753208

3.1 Port Pins (2/2)

Pin Name

Input/Output

Alternate

Function

Function

8-bit

I/O Circuit

After Reset

I/O

TYPE Note 1

P60

Input/Output

KR0

Programmable 4-bit input/output port (PORT6). No

Input

(F)-A

This port can be specified for input/output bit-

P61

KR1

wise.

P62

KR2

On-chip pull-up resistors can be specified by

software in 4-bit units.

P63

KR3

P80

Input/Output

S23

4-bit input/output port (PORT8).

Yes Input

H

On-chip pull-up resistors can be specified by

P81

S22

software in 4-bit units. Note 2

P82

S21

P83

S20

P90

Input/Output

S19

4-bit input/output port (PORT9).

Input

H

P91

S18

On-chip pull-up resistors can be specified by

software in 4-bit units. Note 2

P92

S17

P93

S16

Notes 1. Characters in parentheses indicate the Schmitt-trigger input.

2. Do not connect on-chip pull-up resistors specified by software when using as segment signal output

pins.

8

Share Link: