HT16515(2003) Ver la hoja de datos (PDF) - Holtek Semiconductor

Número de pieza

componentes Descripción

Fabricante

HT16515
(Rev.:2003)

1/4 to 1/12 Duty VFD Controller

Holtek Semiconductor 

Timing Diagrams

S n /G n

tf

90%

10%

CS

tC W

tC W

C LK

tS U

th

DI

tP H L

DO

Key Scanning and Display Timing

S n /K n o u tp u t

G 1 o u tp u t

G 2 o u tp u t

G 3 o u tp u t

D ig it 1

1 /1 6 tD IS P

D ig it 2

D ig it 3

HT16515

tr1

( tr2 )

tS W

tC S

tP L H

D ig it n

K e y s c a n d a ta

D ig it 1

G n o u tp u t

t@ 500ms

1 fra m e = T ´ (n + 1 )

Note: One cycle of key scanning consists of two frames, and data of 16´2 matrixes is stored in the RAM.

Rev. 1.00

8

December 19, 2003

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