參數(shù)資料
型號(hào): PCD8544
廠商: NXP Semiconductors N.V.
英文描述: 48 x 84 pixels matrix LCD controller/driver
中文描述: 48 × 84像素的矩陣液晶顯示控制器/驅(qū)動(dòng)器
文件頁數(shù): 10/32頁
文件大?。?/td> 154K
代理商: PCD8544
1999 Apr 12
10
Philips Semiconductors
Product specification
48
×
84 pixels matrix LCD controller/driver
PCD8544
Fig.6 Sequence of writing data bytes into RAM with horizontal addressing (V = 0).
handbook, halfpage
MGL640
0
0
5
503
420
336
252
168
421
337
253
169
84
0
85
1
422
338
254
170
86
2
Y-address
X-address
83
7.8
Temperature compensation
Due to the temperature dependency of the liquid crystals’
viscosity, the LCD controlling voltage V
LCD
must be
increased at lower temperatures to maintain optimum
contrast. Figure 7 shows V
LCD
for high multiplex rates.
In the PCD8544, the temperature coefficient of V
LCD
, can
be selected from four values (see Table 2) by setting bits
TC
1
and TC
0
.
Fig.7 V
LCD
as function of liquid crystal temperature (typical values).
handbook, halfpage
MGL641
0
°
C
(1)
(2)
(3)
(4)
temperature
(1) Upper limit.
(2) Typical curve.
(3) Temperature coefficient of IC.
(4) Lower limit.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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