LC87F76C8A

No.A0858-8/24

Pin Description

Pin Name

I/O

Description

Option

VSS1

VSS2

VSS3

-

- power supply pin

No

VDD1

VDD2

VDD3

-

+ power supply pin

No

PORT0

P00 to P07

I/O

• 8-bit I/O port

• I/O specifiable in 4-bit units

• Pull-up resistors can be turned on and off in 4-bit units.

• Input for HOLD release

• Input for port 0 interrupt

• Shared pins

P00: UART1 transmit *

P01: UART1 receive *

P05: Clock output (system clock/subclock selectable)

P06: Timer 6 toggle output

P07: Timer 7 toggle output

* When using UART, set P0LDDR (PODDR: Bit0) to “0”

Yes

PORT1

P10 to P17

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.

• Shared pins

P10: SIO0 data output

P11: SIO0 data input/bus I/O

P12: SIO0 clock I/O

P13: SIO1 data output

P14: SIO1 data input/bus I/O

P15: SIO1 clock I/O

P16: Timer 1 PWML output

P17: Timer 1PWMH output/beeper output

Yes

PORT3

P30 to P31

I/O

• 2-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

P30: PWM4 output

P31: PWM5 output

Yes

PORT7

P70 to P73

I/O

• 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 release input/timer 0L capture input/watchdog timer output

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

P72: INT2 input/HOLD release 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/

infrared remote control receiver input

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

• Interrupt acknowledge type

Rising

Falling

Rising &

Falling

H level

L level

INT0

enable

enable

disable

enable

enable

INT1

enable

enable

disable

enable

enable

INT2

enable

enable

enable

disable

disable

INT3

enable

enable

enable

disable

disable

No

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