HV623 Ver la hoja de datos (PDF) - Supertex Inc

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componentes Descripción

Fabricante

HV623

32-Channel 128-Level Amplitude Gray-Shade Display Column Driver

Supertex Inc 

HV623

Gray Shade Decoding Scheme

Gray Scale Voltage

Shade Number D7 D6 D5 D4 D3 D2 D1

128

1111111

127

1111110

126

1111101

125

1111100

(000

0000)

VR

HVOUT

HVOUT

HVOUT

124

1111011

123

1111010

HVOUT

122

1111001

121

1111000

0 1 2 • • • 127

(111 1111)

HVOUT

7

0000110

Clock Cycle

6

0000101

5

0000100

4

0000011

3

0000010

2

0000001

1

0000000

Function Table

– OBSOLETE –

Sequence Function

DIR Data-In CSI

(D1 - D7)

CSO

Shift

Clock

Load

Count

Count

Clock

VR

HVOUT

1

Shift Data

H

from HVOUT1 to 32

2

Shift Data

L

from HVOUT32 to 1

3

Load Shift Register

X

4

Load Counter

X

5

Counting/Voltage

X

Conversion

H

Output

L

H

Output

L

X

X

Pre-define by 1 or 2

L

X

L

L

L

L

L

H

L

L

L

L

H

L

L

L

-

L

L

-

L

Initiates

-

VRAMP

7

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