ML9227 データシートの表示（PDF） - Oki Electric Industry

部品番号

コンポーネント説明

メーカー

ML9227

27-Bit Duplex/Triplex VFD Controller/Driver with Digital Dimming, ADC and Key scan

Oki Electric Industry 

OKI Semiconductor

BLOCK DIAGRAM

SEG1

FEDL9227-01

ML9227

SEG27

GRID1 GRID2 GRID3

D-GND

VDISP

VCC

(5 V)

VREG

(5 V)

L-GND

27 Segment Driver

3 Grid pre Driver

5V

Regulator

&

Power On

Reset

0H

7H

POR

in1-27

Out1-27

81 to 27 Segment Control

in1-27

in1-27

POR

1H

Mode Select 0H

in1-3 POR

Out1-27

Segment Latch 2H

1

0H

in1-27 POR

Out1-27

Segment Latch 3H

2

0H

in1-27 POR

Out1-27

Segment Latch

3

in1-27

CS

CLOCK

DATA I/O

OSC0

Control

Out1-3

3 bit Shift Register

OSC

POR

Out1-27

4H

27 bit Shift Register POR

POR

POR

in1-10

Dimming Latch

Out1-10

10 bit Digital

Dimming

DUP/TRI

Timing Generator

DIM OUT

SYNC OUT1

SYNC OUT2

6ch, 8 bit

A/D Converter

7H 5H

6H

5 × 5 Key Scan and Encoder Switch Interface

INT

CH1

CH6

COL1 COL5 ROW1 ROW5 A1 B1

2/26

Share Link: