LC866408 datasheet(8/22 Pages) SANYO

Part #	LC866408

Description	8-Bit Single Chip Microcontroller with the UVEPROM

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Manufacturer	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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8 / 22 page

LC86E6449

No.6746-8/22

LC86E6449 Pin description

Pin name

I/O

Function description

Option

EPROM mode

VSS1,2

-

Power pin (-)

-

VDD1,2

-

Power pin (+)

*4

Refer to Notes

-

VP

-

Power pin (-) for the VFD output pull-down resist

-

PORT0

P00 to P07

I/O

•8-bit input/output port

•Input for port 0 interrupt

•Input/output in nibble units

•Input for HOLD release

•15V withstand at N-channel open drain

output

•Pull-up resistor :

Provided/Not provided

•Output form :

CMOS/N-channel open drain

-

PORT1

P10 to P17

I/O

•8-bit input/output port

•Input/output can be specified in a bit unit

•Other pin functions

P10 SIO0 data output

P11 SIO0 data input/bus input/output

P12 SIO0 clock input/output

P13 SIO1 data output

P14 SIO1 data input/bus input/output

P15 SIO1 clock input/output

P16 Buzzer output

P17 Timer 1 output (PWM0 output)

•Output form :

CMOS/N-channel open drain

Data line

D0 to D7

PORT3

P30 to P33

I/O

•4-bit input/output port

•Input/output can be specified

•15V withstand at N-channel open drain

output

•Output form :

CMOS/N-channel open drain

-

•6-bit input port

•Other functions

P70 : INT0 input/HOLD release input/

N-ch Tr. output for watchdog timer

P71 : INT1 input/HOLD release input

P72 : INT2 input/timer 0 event input

P73 : INT3 input with noise rejection

filter/timer 0 event input

P74 : XT1 terminal for 32.768kHz crystal

oscillation

P75 : XT2 terminal for 32.768kHz crystal

oscillation

•Interrupt received forms, the vector addresses

Pull-up resistor :

Provided/Not provided

(P70,71,72,73)

* P74 ,P75 don’t have pull-up

resistor option.

rising falling rising

&

falling

high

level

low

level

vector

INT0 enable enable disable enable enable

03H

INT1 enable enable disable enable enable 0BH

INT2 enable enable enable disable disable 13H

PORT7

P70

P71 to P75

I/O

I

INT3 enable enable enable disable disable 1BH

EPROM control

signals

DASEC (*1)

OE (*2)

‚bE (*3)

Continue.

CE

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