LC863264C/56C/48C/40C/32C/28C/24C/20C/16C

No.A0115-9/21

Continued from preceding page.

Terminal

I/O

Function Description

Option

Port 7

•4-bit input/output port

Input or output can be specified for each bit

•Other functions

P70

P71

P72

P73

INT0 input/HOLD release input/

Nch-Tr. output for watchdog timer

INT1 input/HOLD release input

INT2 input/Timer 0 event input

INT3 input (noise rejection filter connected)/

Timer 0 event input

Interrupt receiver format, vector addresses

Rising

Falling

Rising/

Falling

H level

L level

Vector

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

P70

P71 to P73

I/O

Port 8

P84 to P87

I/O

•4-bit input/output port

Input or output can be specified for each bit

•Other function

AD converter input port (4 lines)

NC

-

Unused terminal

Leave open

• Output form and existence 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

I/O

Pull-up resistor status at selecting pull-up option

Port 0

I

Pull-up resistor OFF, ON after reset release

Port 1

I

Programmable pull-up resistor OFF