參數(shù)資料
型號(hào)： PCF8531
廠商： NXP Semiconductors N.V.
英文描述： 34×128 pixel matrix driver(34×128 像素矩陣驅(qū)動(dòng)器)
中文描述： 34 × 128像素矩陣驅(qū)動(dòng)器（34 × 128像素矩陣驅(qū)動(dòng)器）
文件頁(yè)數(shù)： 15/44頁(yè)
文件大?。?/td> 212K
代理商： PCF8531
2000 Feb 11
15
Philips Semiconductors
Product specification
34
×
128 pixel matrix driver
PCF8531
handbook, full pagewidth
MGL935
00
01
02
a
VLCD
03
04
05
06
. . .
7D
7E
7F
00
01
02
03
04
05
06
. . .
5F
6F
7F
b
LOW
HIGH
Fig.8 V
OP
programming of PCF8531.
V
OP
[6:0] (programmed) [00H to 7FH] programme range LOW and HIGH.
8.18.10 V
OLTAGE MULTIPLIER CONTROL
S[1:0]
The PCF8531 incorporates a software configurable
voltage multiplier. After reset (internal or external), the
voltage multiplier is set to 2
×
V
DD2
. The voltage multiplier
factors are set via the command ‘HV-gen configuration’
(see Tables 4, 5 and 6).
8.18.11 T
EMPERATURE COMPENSATION
Due to the temperature dependency of the liquid crystal’s
viscosity, the LCD controlling voltage V
LCD
should usually
be increased at lower temperatures to maintain optimum
contrast. Figure 9 shows V
LCD
for high multiplex rates.
Linear temperature compensation is supported in the
PCF8531. The temperature coefficient of V
LCD
can be
selected from eight values by setting bits TC[2:0]
(see Tables 4, 5 and 6).
handbook, halfpage
MGS473
T
VLCD
0
°
C
Fig.9
V
LCD
as a function of liquid crystal
temperature.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8531_1008 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:34 x 128 pixel matrix driver
PCF8531_11 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:34 x 128 pixel matrix driver Single-chip LCD controller and driver
PCF8531U 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
PCF8531U/2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:34 x 128 pixel matrix driver
PCF8531U/2/F1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Display Driver
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