LC864112 Ver la hoja de datos (PDF) - SANYO -> Panasonic

Número de pieza

componentes Descripción

Fabricante

LC864112

8-bit Single Chip Microcontroller

SANYO -> Panasonic 

LC86P4164

Continued from preceding page.

Pin name Pin No. I/O

Port 7

P70

41

I/O

P71 to P73 42 to 44 I

Port 9

P90 to P93 13 to 16 I

Function Description

4-bit input port

Other functions

P70 INT0 input/HOLD release input/

Nch-transistor output for watchdog

timer

P71 INT1 input/HOLD release input

P72 INT2 input/timer 0 event input

P73 INT3 input (noise rejection filter

attached input/timer 0 event input

Interrupt receiver format vector address

Rising Falling Rising/Falling

INT0 enable enable

disable

INT1 enable enable

disable

INT2 enable enable

enable

INT3 enable enable

enable

4-bit input port

Other function

A/D converter input port (4 lines)

Option

Pull-up resistor

provided/

not provided

(in bit units)

H level

enable

enable

disable

disable

L level

enable

enable

disable

disable

PROM mode

P70 : VPP (*3)

P71 : DASEC (*4)

P72 : OE (*5)

P73 : CE (*6)

Vector

03H

0BH

13H

1BH

A0 to A3 (*3)

*1 An → Address input

*2 Data I/O

*3 Power for programming

*4 Memory select input/output for data security

*5 Output Enable input

*6 Chip Enable input

• All of port options except the 4-bit unit pull-up resistor option of Port 0 can be specified in a bit unit.

• Port status during reset

Terminal

Port 0

Port 1

Port 7

I/O

Input

Input

Input

Pull-up resistor status at selecting pull-up option

Pull-up resistor OFF, ON after reset release

Programmable pull-up resistor OFF

Fixed pull-up resistor provided

* AVDD and AVSS are the power supply terminals for built-in analog circuit while DVDD and DVSS are the power supply

terminals for built-in digital circuit. Connect them like the following figure to reduce the mutual noise influence.

PPoowweerr

Ssuuppppllyy

LSI

DVDD

DVSS

AVDD

AVSS

No. 5550-7/20

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