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Número de pieza
componentes Descripción
HT1623 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Fabricante
HT1623
RAM Mapping 32 x 4 LCD Controller for I/O MCU
Holtek Semiconductor
HT1623 Datasheet PDF : 21 Pages
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PATENTED
HT1621/HT1621G
t
f
t
r
V a lid D a ta
V
DD
W R ,R D 90%
C lo c k
50%
10%
t
C L K
t
C L K
V
DD
DB
GND
50%
t
S U
t
h
GND
Figure 1
W R ,R D
C lo c k
V
DD
50%
GND
Figure 2
CS
W R ,R D
C lo c k
t
C S
50%
t
S U 1
t
h 1
50%
F ir s t C lo c k
L a s t C lo c k
Figure 3
VDD
V
DD
GND
0V
V
DD
GND
CS
t
S R
t
O F F
0 .9 V
D D
t
R S T D
Figure 4 Power-on Reset Timing
Rev. 2.90
7
November 9, 2010
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