LC875J64C/875J56C/875J48C

No.8302-9/23

Continued from preceding page.

Pin Name

I/O

Description

Option

Port 7

• 4-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1-bit units.

• Shared pins

P70: INT0 input/HOLD reset input/timer 0L capture input/watchdog timer output

P71: INT1 input/HOLD reset input/timer 0H capture input

P72: INT2 input/HOLD reset input/timer 0 event input/timer 0L capture input/

High speed clock counter input

P73: INT3 input (with noise filter)/timer 0 event input/timer 0H capture input

AD converter input port: AN8 (P70), AN9 (P71)

Interrupt acknowledge type

Rising

Falling

Rising &

Falling

H level

L level

INT0

INT1

INT2

INT3

enable

enable

enable

enable

enable

enable

enable

enable

disable

disable

enable

enable

enable

enable

disable

disable

enable

enable

disable

disable

P70 to P73

I/O

No

Port 8

P80 to P86

I/O

• 7-bit I/O port

• I/O specifiable in 1-bit units

• Shared pins

AD converter input port : AN0 (P80) to AN6 (P86)

No

PWM2, PWM3

I/O

• PWM2 and PWM3 output ports

• General-purpose I/O available

No

Port B

PB0 to PB7

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1-bit units.

Yes

Port C

PC0 to PC7

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1-bit units.

Yes

RES

Input

Reset pin

No

XT1

Input

• 32.768kHz crystal oscillator input pin

• Shared pins

General-purpose input port

AD converter input port: AN10

Must be connected to VDD1 if not to be used.

No

XT2

I/O

• 32.768kHz crystal oscillator output pin

• Shared pins

General-purpose I/O port

AD converter input port: AN11

Must be set for oscillation and kept open if not to be used.

No

CF1

Input

Ceramic resonator input pin

No

CF2

Output

Ceramic resonator output pin

No