HT16515 View Datasheet(PDF) - Holtek Semiconductor
Part Name
Description
MFG CO.
'HT16515' PDF : 12 Pages View PDF
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. 1.70
8
May 7, 2010
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