No. 6498-3/39

LC651432N/F/L, 651431N/F/L

Function Overview

Parameter

LC651432N/1431N

LC651432F/1431F

LC651432L/1431L

ROM

2048

× 8 bits (1432N/F/L)

Memory

1024

× 8 bits (1431N/F/L)

RAM

128

× 4 bits (1432N/F/L)

64

× 4 bits (1431N/F/L)

Instructions

Instruction set

80

Table reference

Provided

Interrupts

One external, one internal

Timers

8-bit timer with 4-bit prescaler

On-chip functions

Stack levels

4

HALT instruction based

Standby function

standby function

Provided

Number of ports

Up to 25 I/O pins

Serial ports

I/O in 4-bit or 8-bit units

I/O voltage

15 V max.

I/O ports

Output current

10 mA typ. 20 mA max.

I/O circuit types

Open drain (n channel) or built-in pull-up resistor output can be specified in 1-bit units.

Output level at reset

High or low can be specified in port units (C and D ports only)

Square-wave output

Possible

Minimum cycle time

Characteristics

Supply voltage

3 to 6 V

3 to 6 V

2.2 to 6 V

Supply current

1 mA typ.

1.5 mA typ.

1 mA typ.

RC oscillator (400 or 800 kHz typical)

RC oscillator (400 kHz typical)

Oscillator

Oscillator element

Ceramic oscillator (400 kHz,

Ceramic oscillator: 4 MHz

Ceramic oscillator (400 kHz

800 kHz, 1 MHz, or 4 MHz)

or 4 MHz)

Divider circuit option

1/1, 1/3, 1/4

1/1

1/1, 1/3, 1/4

Other features

Package

DIP30S-D, MFP30S,

SSOP30

Note: Sanyo will be providing details on oscillator elements and oscillator circuit constants as recommended circuits are developed. Contact your Sanyo

representative for more information.