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ESC1621 Scheda tecnica(PDF) 7 Page - List of Unclassifed Manufacturers

Il numero della parte ESC1621
Spiegazioni elettronici  RAM Mapping 32 X 4 LCD Controller for I/O uC
PDF  7 Pages
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Produttore elettronici  ETC [List of Unclassifed Manufacturers]
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ESC1621 Scheda tecnica(HTML) 7 Page - List of Unclassifed Manufacturers

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ESC1621
p. 7
Last update: 2004-03-05 12:13
Application Circuits
Host controller with a ESC1621 display system
Note: The connection of IRQ and RD pin can be selected depending on the requirement of the µC.
The voltage applied to VLCD pin must be lower than VDD.
Adjust VR to fit LCD display, at VDD=5V, VLCD=4V, VR=15kO+20%
Adjust R (external pull- high resistance) to fit user’
s time base clock.
DATA
OSCI
OSCO
COM0 COM3
~
SEG0 SEG31
~
VLCD
VDD
BZ
1/2 or 1/3 Bias; 1/2, 1/3 or 1/4 Duty
LCD PANEL
µC
ESC1621
Clock Out
External Clock 1
External Clock 2
On-chip OSC
Crystal
32768Hz
R
*
*
VR
*
Piezo
BZ
IRQ
WR
RD
CS



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