SSD1820A Ver la hoja de datos (PDF) - Solomon Systech

Número de pieza

componentes Descripción

fabricante

SSD1820A

LCD Segment / Common Driver with Controller

Solomon Systech  

CL

VSS

VDD

Block Diagram

COM0 to

ICONS COM63/79 SEG0~SEG127

HV Buffer Cell Level Shifter

Level

Selector

Display

Timing

Generator

Oscillator

193 Bit Latch (SSD1820A)

209 Bit Latch (SSD 1821)

GDDRAM

128 X 65 Bits (SSD1820A)

128 x 81 Bits (SSD1821)

LCD Driving

Voltage Generator

2X / 3X / 4X / 5X /6X

DC/DC Converter,

Voltage Regulator,

Bias Divider,

Contrast Control,

Temperature

Compensation

Command Decoder

VL6

VL5

VL4

VL3

VL2

V SS

VR

VCC

C1P

C2P

C3P

C 4P

C 5P

C1N

C2N

REF

INTRS

VC I

VEXT

Command Interface

Parallel / Serial Interface

RES PS0 PS1 CS D/C R/W E

(WR) (RD)

D7 D6 D5 D4 D3 D2 D1 D0

(SDA)(SCK)

SSD1820A/21 REV 1.4

2

01/03

SOLOMON

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