LC651306A View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

Manufacturer

LC651306A

4-Bit Single-Chip Microcontroller for Small-Scale Control Applications

SANYO -> Panasonic 

LC651306A/04A/02A/01A

Symbol

Number

of pins

PE0-PE1

2

/WDR

PF0/SI/AD4

4

PF1/SO/AD5

PF2/ SCK

/AD6

PF3/ INT

/AD7

RES

1

TEST

1

I/O

I/O

I/O

Input

Input

Function

Option

At reset

• I/O port E0 to E1

(1) Open -drain output

High level

Input in 4-bit unit (IP instruction)

(2) Pull-up resistor

output (The

Output in 4-bit unit (OP instruction)

• Options (1) or (2) can be output

Set and reset in 1-bit unit

specified in bit unit.

N-channel

(SPB and PRB instructions)

(3) Normal port PE1

transistors in

Testing in 1-bit unit

(4) Watchdog reset WDR

the off state)

(BP and BNP instructions)

• Either options (3) or (4)

• PE0 also has a continuous pulse (64 Tcyc)

can be selected.

output function.

• PE1 becomes the watchdog reset pin WDR

when selected as an option.

• I/O port F0 to F3

Identical to those for PA0 to Identical to those

The port functions and options are identical PA3.

for PA0 to PA3.

to those of PE0 to PE1 (See note).

• PF0 to PF3 have shared functions with the

serial interface pins and the INT input.

The function can be selected under program

The serial port

functions are

disabled.

control.

SI... Serial input pin

SO...Serial output pin

SCK...Input and output of the serial clock

The interrupt

source is set to

INT.

signal.

INT...Interrupt request signal

The serial I/O function can be switched

between 4-bit and 8-bit transfers under

program control.

Note: There is no continuous pulse output

function.

• All four pins have shared function.

PF0/AD4: AD converter input AD4

PF1/AD5: AD converter input AD5

PF2/AD6: AD converter input AD6

PF3/AD7: AD converter input AD7

• System reset input

-

-

• Provide an external capacitor for the

power-on reset.

• Apply low level to this pin for 4 or more

clock cycles to reset and restart the program.

• Test pin for LSI.

-

-

This pin must be connected to VSS during

normal operation.

Handling

when

unused

Identical to

those for

PA0 to PA3.

Identical to

those for

PA0 to PA3.

-

This pin

must be

connected to

VSS.

No.6727-7/21

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