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參數(shù)資料
| 型號： | ESC1621 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | RAM Mapping 32 X 4 LCD Controller for I/O uC |
| 中文描述： | 內(nèi)存映射32 × 4 LCD控制器的I / O加州大學(xué) |
| 文件頁數(shù)： | 7/7頁 |
| 文件大?。?/td> | 56K |
| 代理商： | ESC1621 |
E S C1621
p. 7
Last update: 2004-03-05 12:13
Applic ation Circ uits
Host controller with a ES C1621 display system
Note: The connection of
IRQ
and
RD
pin can be selected depending on the requirement of the μC.
The voltage applied to V
LCD
pin must be lower than V
DD
.
Adjust VR to fit LCD display, at V
DD
=5V, V
LCD
=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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