HSDP2110S, HSDP2111S, HSDP2112S, HSDP2113S, HSDP2114S, HSDP2115S

2006-01-23

13

Control Word Data Definition

Clear Function

CE

WR

FL

AL

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Operation

0

0

0

0

1

1

1

1

0

0

X

X

X

X

X

X

0

1

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Clear disabled

Clear user RAM, page RAM,

flash RAM and display

X=don’t care

Display Cycle Using Built-in ROM Example

Display message “Showtime.” Digit 0 is leftmost—closest to pin 1.

Logic levels: 0=Low, 1=High, X=Don’t care

RST

CE

WR

RD

FL

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Operation

Display

0

X

1

1

1

X

X

X

X

X

X

X

X

X

X

X

X

X

Reset. No Read/Write

Within 3 Clock Cycles

All Blank

1

0

0

1

1

1

0

X

X

X

0

0

X

0

0

0

1

1

53% Brightness

Selected

All Blank

1

0

0

1

1

1

1

0

0

0

0

1

0

1

0

0

1

1

Write “S” to Digit 0

S

1

0

0

1

1

1

1

0

0

1

0

1

0

0

1

0

0

0

Write “H” to Digit 1

SH

1

0

0

1

1

1

1

0

1

0

0

1

0

0

1

1

1

1

Write “O” to Digit 2

SHO

1

0

0

1

1

1

1

0

1

1

0

1

0

1

0

1

1

1

Write “W” to Digit 3

SHOW

1

0

0

1

1

1

1

1

0

0

0

1

0

1

0

1

0

0

Write “T” to Digit 4

SHOWT

1

0

0

1

1

1

1

1

0

1

0

1

0

0

1

0

0

1

Write “I” to Digit 5

SHOWTI

1

0

0

1

1

1

1

1

1

0

0

1

0

0

1

1

0

1

Write “M” to Digit 6

SHOWTIM

1

0

0

1

1

1

1

1

1

1

0

1

0

0

0

1

0

1

Write “E” to Digit 7

SHOWTIME

Key

C

Clear Function

ST

Self test

BL

Blink function

FL

Flash function

Br

Brightness control

IDCW5161

Function

Blink

Self Test

Function

Brightness Control

D7

D6

D5

D4

D3

D2

D1

D0

D1 D0 Brightness Control

100% Brightness

00

80% Brightness

01

1

53% Brightness

0

1

40% Brightness

1

Disabled

Flash Function

D3

0

Enabled

1

Enabled (overrides Flash Function)

Disabled

Blink Function

D4

1

0

Normal Operation (X = bit ignored)

R

D5

X

Run Self Test, R = Test Result (1 = pass, 0 = fail)

Self Test

Clear Flash RAM & Character RAM (Character RAM = 20 Hex)

Normal Operation

0

1

Clear Function

D7

Clear

Flash

Function

D2

0

0

0

0

27% Brightness

Blank Display

11

1

1

1

0

10

1

0

0

20% Brightness

13% Brightness

0

0

1

D6