DEM20486 datasheet(4/10 Pages) ETC

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DEM 20486 SYH-LY

Product specification

1. FUNCTIONS & FEATURES

Viewing Direction

: 6 O'clock

Driving Scheme

: 1/16 Duty Cycle, 1/5 Bias

Power Supply Voltage

: 2.7V to 5.5V (typ. 5V)

Backlight color

:Yellow Green (lightbox)

VLCD Adjustable for Best Contrast

: 4.5V (typ.)

Display Format

: 20 x 4 Characters ( 5 x 8 dots, Format : 208 Kinds )

Internal Memory

: CGROM ( 10,080 bits)

: CGRAM ( 64 x 8 bits )

: DDRAM ( 80 x 8 bits for Digits )

Interface

: Easy Interface with a 4 - bit or 8 - bit MPU

2. MECHANICAL SPECIFICATIONS

Character Pitch

: 4.10(w) x 7.0(h) mm

Character Size

: 3.45(w) x 6.35(h) mm

Character Font

: 5 x 8 dots

Dot Size

: 0.65(w) x 0.75(h) mm

Dot Gap

: 0.05 mm

3. BLOCK Diagram

DB0~DB7

R/W

LCD

Controller

LSI

KS0066

VDD

VSS

Figure 1.0

LCD TYPE

Transflective Positive Mode

DEM 20486 SYH-LY

STN Yellow/Green

MODULE

LCD MODEL

SEGMENT

DRIVER

KS0063

Control signals

COM1~COM16

LCD PANEL

4line*20characters

BACKLIGHT

SEG1~SEG40

SEGMENT

DRIVER

KS0063

VERSION : 0

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