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Ordering number : ENN*6704

CMOS IC

LC5739

4-Bit Microcontroller

with LCD Driver

Preliminary

Overview

The LC5739 is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also

contains 4K-byte ROM, 128-byte RAM, LCD drivers and melody function.

Features

(1) ROM

(2) RAM

(3) Cycle Time

Cycle Time

122碌s

122碌s

122碌s

Oscillation source

Crystal oscillation

RC oscillation

Crystal oscillation

Crystal oscillation

RC oscillation

Oscillation frequency

32.768kHz

32.768kHz

32.768kHz

Power supply voltage

1.30 - 1.65V

2.60 - 3.60V

2.60 - 3.60V

Power source

Ag Battery

Li Battery

External voltage

supply

:4096

脳

8 bits

:128

脳

4 bits

(4) Input / Output Terminals

- Input ports

- Input / Output ports

- Output ports

: 4 terminals (S-port : 4 terminals)

: 8 terminals (P0 port : 4 terminals, P1 port : 4 terminals)

: 2 terminals (Buzzer / melody output terminal : 1 terminal,

General output port : 1 terminal)

- LCD segment output ports

: 32 terminals (Possible to use output port by mask option)

- LCD common output ports

: 4 terminals

Ver.1.14

22698

91400 RM (IM) HO No.6704-1/18

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