HT1625 Ver la hoja de datos (PDF) - Holtek Semiconductor

Número de pieza

componentes Descripción

Fabricante

HT1625

RAM Mapping 32 x 4 LCD Controller for I/O MCU

Holtek Semiconductor 

PATENTED

HT1621/HT1621G

tf

tr

V a lid D a ta

V DD

W R ,R D 90%

C lo c k

50%

10%

tC L K

tC L K

V DD

DB

GND

50%

tS U

th

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

tC S

50%

tS U 1

th 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

tS R

tO F F

0 .9 V D D

tR S T D

Figure 4 Power-on Reset Timing

Rev. 2.90

7

November 9, 2010

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