MSC1937-01 データシートの表示（PDF） - Oki Electric Industry

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MSC1937-01

14/16-Segment x 16-Digit Display Controller/Driver

Oki Electric Industry 

¡ Semiconductor

MSC1937-01

PIN DESCRIPTION

Symbol

VSS

VDD

DATA

SCLK

POR

A

AD16 - AD1

SGA - SGP

TAIL, PNT

Type

—

—

I

I

I

I/O

O

O

Description

Power supply pin

GND pin

Input of display data/control data

Input from MSB

Shift clock of shift register

Shifts data at the falling edge of SCLK

Power-on-reset input. Input of "H" level into this pin with the power turned on

initializes this IC.

The internal state after the initialization is as follows:

1) AD1 to AD16, SGA to SGP, TAIL and PNT output are in the off state.

2) The duty cycle is set to "0".

3) The digit counter value is set to 16 digits.

4) The buffer pointer is set to AD1.

5) Pin "A" is in the output mode.

Usually used as an output mode, and outputs 1/5 of the internal oscillation

frequency. In the test mode, operates as an input pin.

Grid output pins

The output format is an emitter follower.

Segment output pins

The output format is an emitter follower.

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