LC651154F datasheet(7/39 Pages) SANYO

Part #	LC651154F

Description	Four-Bit CMOS Microcontrollers for Small-Scale Control Applications

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Manufacturer	SANYO [Sanyo Semicon Device]

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

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Development Support

The following are provided for development with the LC651154 and LC651152.

• User’s manual

See the “LC651104/1102 User’s Manual.”

• Development tools manual

See the “Four-Bit Microcontroller EVA86000 Development Tools Manual.”

• Software manual

“LC65/66 Series Software Manual”

• Development tools

— Program development (EVA86000 System)

— On-chip EPROM microcontroller <LC65E1104> for program evaluation

No. 6278-7/39

LC651154N, 651154F, 651154L, 651152N, 651152F, 651152L

Pin Functions

Symbol

Number

I/O

Function

Option

At reset

Handling when

of pins

unused

VDD

VSS

1

—

Power supply

—

OSC1

1

Input

• Connection for the RC circuit or ceramic oscillator

element used for the system clock oscillator

• Leave OSC2 open when an external clock input is

used.

(1) Two-pin RC oscillator or

external clock

(2) Two-pin ceramic oscillator

(3) Divider option

1. No divider

2. Divide-by-3

3. Divide-by-4

——

• I/O port A0 to A3

Input in 4-bit units (IP instruction)

Output in 4-bit units (OP instruction)

Testing in 1-bit units (BP and BNP instructions)

Set and reset in 1-bit units (SPB and RPB

instructions)

• PA3 is used for standby mode control

• Application must assure that chattering does not

occur on the PA3 input during HALT instruction

execution.

• All four pins have shared functions

PA0/AD0 - A/D converter input AD0

PA1/AD1 - A/D converter input AD1

PA2/AD2 - A/D converter input AD2

PA3/AD3 - A/D converter input AD3

(1) Open-drain output

(2) Pull-up resistor

Options (1) and (2) can be

specified in bit units

High-level

output (The

output n-

channel

transistors in

the off state.)

Select the

open-drain

output option

and connect

to VSS.

OSC2

1

Output

PA0 to

PA3/

AD0 to

AD3

4

I/O

• I/O port C0 to C3

The port functions are identical to those of PA0 to

PA3. (See note.)

• The output during a reset can be selected to be

either high or low as an option.

Note: This port has no standby mode control

function.

(1) Open-drain output

(2) Pull-up resistor

(3) High-level output during reset

(4) Low-level output during reset

• Options (1) and (2) can be

specified in bit units

• Options (3) and (4) are

specified 4 bits at a time

• High-level

output

• Low-level

output

(Depending

on option

selected.)

The same as

for PA0 to

PA3

PC0 to

PC3

4

I/O

• I/O port D0 to D3

The port functions and options are identical to

those of PC0 to PC3.

The same as PC0 to PC3

The same as

PC0 to PC3

The same as

for PA0 to

PA3

PD0 to

PD3

4

I/O

Continued on next page.

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LC651154F Datasheet(PDF) 7 Page - Sanyo Semicon Device

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