Timing Diagrams

Key scanning and display timing

HT16512

9

December 24, 1999

1

2

3

4

5

6

D ig it 0

D i g i t 0

D i g i t 1

D i g i t 2

D i g i t n

S n / K n out pu t

G 0 out put

G 1 out put

G 2 out put

G n out put

1 f r am e= T ´ (n + 1 )

K e y s c an da t a

T @ 500 m s

N o te : n = 0 ~ 5

t= 1 / 1 6 T

T: p u l s e w i d th o f s e g m e n t s i gnal i s dec i ded b y os c i l l at or f r e quenc y

O n e c y c l e o f k e y s c anni ng c ons i s t s o f one f r a m e .

t

t

CS

90%

10%

Sn / G n

DO

DI

CL K