HT16512 데이터 시트보기 (PDF) - Holtek Semiconductor
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HT16512 Datasheet PDF : 11 Pages
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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
D ig it 0
D ig it 1
D ig it 2
G 0 o u tp u t
t
t
G 1 o u tp u t
G 2 o u tp u t
HT16512
tr1
( tr2 )
tS W
tC S
tP L H
D ig it n
K e y s c a n d a ta
123456
D ig it 0
G n o u tp u t
T @ 500 ms
1 fra m e = T ´ (n + 1 )
N o te : n = 0 ~ 5
t= 1 /1 6 T
T : p u ls e w id th o f s e g m e n t s ig n a l is d e c id e d b y o s c illa to r fr e q u e n c y
O n e c y c le o f k e y s c a n n in g c o n s is ts o f o n e fr a m e .
Rev. 1.50
6
May 7, 2010
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