LC863448A 查看數據表（PDF） - SANYO -> Panasonic

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LC863448A

8-BIT SINGLE CHIP MICROCONTROLLER

SANYO -> Panasonic 

LC863448A/40A

Terminal

I/O

Function Description

Port 7

•4-bit input/output port

P70

I/O

Input or output can be specified for each bit

P71 - P73

P70: I/O with programmable pull-up resister

P71 to P73: CMOS output/input with programmable pull-up

resister

•Other function

P70 INT0 input/HOLD release input/

Nch-Tr. output for wachdog timer

P71 INT1 input/HOLD release input

P72 INT2 input/Timer 0 event input

P73 INT3 input (noise rejection filter connected)/

Timer 0 event input

Interrupt receiver format, vector addresses

rising falling rising/ H level L level vector

falling

INT0 enable enable disable enable enable 03H

INT1 enable enable disable enable enable 0BH

INT2 enable enable enable disable disable 13H

INT3 enable enable enable disable disable 1BH

Note: A capacitor of at least 10µF must be inserted between VDD and VSS when using this IC.

Option

• Output form and existance of pull-up resistor for all ports can be specified for each bit.

• Programmable pull-up resistor is always connected regardless of port option, CMOS or N-ch open drain output

in port 1.

• Port status in reset

Terminal

Port 0

Port 1

I/O

Pull-up resistor status at selecting CMOS output option

I

Pull-up resistor OFF, ON after reset release

I

Programmable pull-up resistor OFF

8/20

Ver. 0.90

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