ENA0970B datasheet(8/27 Pages) ONSEMI

Part #	ENA0970B

Description	8-bit 1-chip Microcontroller

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Manufacturer	ONSEMI [ON Semiconductor]

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8 / 27 page

LC87F2H08A

No.A0970-8/27

Pin Description

Pin Name

I/O

Description

Option

VSS1,VSS2

-

- power supply pins

No

VDD1

-

+ power supply pin

No

Port 0

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.

• HOLD reset input

• Port 0 interrupt input

• Pin functions

P05: System clock output

P06: Timer 6 toggle output

P07: Timer 7 toggle output

P00(AN0) to P06(AN6):AD converter input

P05(DBGP00) to P07(DBGP02):On-chip debugger 0 port

Yes

P00 to P07

Port 1

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.

• Pin functions

P10: SIO0 data output

P14: SIO1 data input/bus I/O

P11: SIO0 data input/bus I/O

P15: SIO1 clock I/O

P12: SIO0 clock I/O

P16: Timer 1 PWML output

P13: SIO1 data output

P17: Timer 1 PWMH output/beeper output

P15(DBGP10) to P13(DBGP12):On-chip debugger 1 port

Yes

P10 to P17

Port 2

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.

• Pin functions

P20: UART transmit

P21: UART receive

P20 to P21: INT4 input/HOLD reset input/timer 1 event input/timer 0L capture input/

timer 0H capture input

Interrupt acknowledge types

Yes

P20 to P21

Rising

Falling

Rising &

Falling

H level

L level

INT4

enable

disable

Port 3

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.

• Pin functions

P30: PWM4 output

P31: PWM5 output

P30 to P31: INT5 input/HOLD reset input/timer 1 event input/timer 0L capture input/

timer 0H capture input

Interrupt acknowledge types

Yes

P30 to P31

Rising

Falling

Rising &

Falling

H level

L level

INT5

enable

disable

Continued on next page.

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ENA0970B Datasheet(PDF) 8 Page - ON Semiconductor

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