LC875148A datasheet(9/25 Pages) SANYO

Part #	LC875148A

Description	8-Bit Single Chip Microcontroller with 64/48/32K-Byte ROM and 1024-Byte RAM On Chip

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Manufacturer	SANYO [Sanyo Semicon Device]

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

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9 / 25 page

LC875164A/48A/32A

No.6715-9/25

Pin Assignment

Pin Name

I/O

Pin Function

Option

VSS1

VSS2

VSS3

-

Negative power supply

No

VDD1

VDD2

VDD3

-

Positive power supply

No

Port 0

P00 - P07

I/O

•8-bit Input/output port

•Data direction can be specified in nibble units

•Use of pull-up resistor can be specified in nibble units

•HOLD-release input

•Input for port 0 interrupt

Yes

Port 1

P10 - P17

I/O

•8-bit Input/output port

•Data direction can be specified for each bit

•Use of pull-up resistor can be specified for each bit

•Other 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: Timer 1 PWML output

P17: Timer 1 PWMH output/Buzzer output

Yes

Port 2

•8-bit Input/output port

•Data direction can be specified for each bit

•Use of pull-up resistor can be specified for each bit

•Other functions

P20-P23: INT4 input/HOLD release input/timer 1 event input

/Timer 0L capture input/Timer 0H capture input

P24-P27: INT5 input/HOLD release input/timer 1 event input

/Timer 0L capture input /Timer 0H capture input

Interrupt receiver format

Rising

Falling

Rising/

falling

H level

L level

INT4

INT5

Yes

No

P20 - P27

I/O

Yes

Port 3

P30 - P34

I/O

•5-bit Input/output port

•Data direction can be specified for each bit

•Use of pull-up resistor can be specified for each bit

Yes

Port 7

•4-bit Input/output port

•Data direction can be specified for each bit

•Use of pull-up resistor can be specified for each bit

•Other functions

P70: INT0 input/HOLD release input/Timer0L capture input

/Output for watchdog timer

P71: INT1 input/HOLD release input/Timer0H capture input

P72: INT2 input/HOLD release input/timer 0 event input

/Timer0L capture input

P73: INT3 input(noise rejection filter attached input)

/timer 0 event input/Timer0H capture input

Interrupt receiver format

Rising

Falling

Rising/

falling

H level

L level

INT0

INT1

INT2

INT3

Yes

No

Yes

No

Yes

No

P70 - P73

I/O

No

(Continued)

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