LC87F5NC8A

No.A0929-9/25

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 resistor can be turned on and off in 1-bit units

• Other functions

P70: INT0 input/HOLD release input/Timer 0L capture input/Output for watchdog timer

P71: INT1 input/HOLD release input/Timer 0H capture input

P72: INT2 input/HOLD release input/Timer 0 event input/Timer 0L capture input

P73: INT3 input with noise filter/Timer 0 event input/Timer 0H capture input

• 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

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

No

Port 8

P80 to P87

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Other functions

P80 to P87: AD converter input port

No

Port A

PA0 to PA5

I/O

• 6-bit I/O port

• I/O specifiable in 1-bit units

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

Yes

Port B

PB0 to PB7

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

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

• Pin functions

DBGP0 to DBGP2 (PC5 to PC7): On-chip Debugger

Yes

Port E

PE0 to PE7

I/O

• 8-bit I/O port

• I/O specifiable in 2-bit units

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

No

Port F

PF0 to PF7

I/O

• 8-bit I/O port

• I/O specifiable in 2-bit units

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

No

SIO2 Port

SI2P0 to SI2P3

I/O

• 4-bit I/O port

• I/O specifiable in 1-bit units

• Shared functions:

SI2P0: SIO2 data output

SI2P1: SIO2 data input, bus input/output

SI2P2: SIO2 clock input/output

SI2P3: SIO2 clock output

No

PWM0, PWM1

O

• PWM0, PWM1 output port

• General-purpose I/O available

No

RES

I

Reset pin

No

XT1

I

• Input terminal for 32.768kHz X'tal oscillation

• Shared functions:

AN10: AD converter input port

General-purpose input port

Must be connected to VDD1 if not to be used.

No

XT2

I/O

• Output terminal for 32.768kHz X'tal oscillation

• Shared functions:

AN11: AD converter input port

General-purpose I/O port

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

No

CF1

I

Ceramic resonator input pin

No

CF2

O

Ceramic resonator output pin

No