S6B0086 datasheet(9/31 Pages) SAMSUNG

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80CH COMMON / SEGMENT DRIVER FOR DOT MATRIX LCD

S6B0086

AMS

Application

mode select

According to the input value of the AMS and the CS pin,

application mode of S6B0086 is differs as shown below.

VDD / VSS

PIN DESCRIPTION (CONTINUED)

I / O

Name

Function

Interface

D1_SID,

D2_DL,

D3_DM,

D4_DR

I / O

Display data

input / serial

input data / left,

right data input

output

In segment driver application mode, these pins are

used as 4-bit data input pin (when 4-bit parallel

interface mode : AMS = "Low"), or D1_SID is used as

serial data input pin and other pins are not used

(connect these to VDD) (when 1-bit serial interface

mode : AMS = "High").

– In common driver application mode, the data is

shifted from D2_DL(D4_DR) to D4_DR(D2_DL), when

in single type interface mode (AMS = "Low"). In dual-

type application case, the data are shifted from

D2_DL and D3_DM (D4_DR and D3_DM) to

D4_DR(D2_DL). In each case the direction of the data

shift and the connection of data pins are determined

by SHL input (refer to NOTE 3, NOTE 4).

Controller

SHL

Input

Shift direction

control

When SHL = "Low", data is shifted from left to right.

When SHL = "High", the direction is reversed. (refer

to NOTE3)

VDD/VSS

ELB,

ERB

I / O

Enable data

input/output

–

In segment driver application mode, the internal

operation is enabled only when enable input (ELB

or ERB) is “Low” (power down function). When

several drivers are serially connected, the enable

state of each driver is shifted according to the

SHL input. Connect these pins as below.

In common driver application mode, power down

function is not used.

Open these pins.

Segment Driver

ELB

ERB

Output (open)

Input (VSS)

Output (open)

AMS

Application mode

COM/SEG

4-bit parallel interface mode

1-bit serial interface mode

Single type application

mode

Dual type application mode

COM

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