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參數(shù)資料
| 型號： | PCF8811 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 80 x 128 pixels matrix LCD driver |
| 中文描述： | 80 × 128像素矩陣LCD驅(qū)動器 |
| 文件頁數(shù)： | 38/73頁 |
| 文件大?。?/td> | 434K |
| 代理商： | PCF8811 |
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2004 May 17
38
Philips Semiconductors
Product specification
80
×
128 pixels matrix LCD driver
PCF8811
Table 21
Relationship between mux rates and bias setting variables with the icon row (only extended command set)
13.10 Set V
OP
value
For mux rate 1 : 80 the optimum operation voltage of a liquid can be calculated with the variables given in Table 21 and
equations (1) and (2).
(3)
Where V
TH
is the threshold voltage of the liquid crystal material used.
The way of programming the V
OP
value is implemented differently in the basic command set in comparison to the
extended command set. In the basic command set two commands are sent to the PCF8811: namely V
PR
[5:0] and
V
OFF
[2:0]. In the extended command set only one command V
PR
[7:0] is sent to the PCF8811. This V
OP
programming is
illustrated in Fig.32. The programming of V
OP
in the basic command set can be used when the PCF8811 is used as a
replacement for an IAPT LCD driver. A conversion table (ROM) can be provided which transfers the programming of an
IAPT V
OP
value to a MRA V
OP
value.
MUX RATE
N
m
p
1 : 16
1 : 32
1 : 48
1 : 64
1 : 80
24
40
56
80
80
49
49
81
81
81
2
4
8
8
8
V
LCD
8
--2
V
TH
×
2
81
–
80
–
–
81
1
---81
×
4.472
V
TH
×
=
×
=
handbook, full pagewidth
MGW753
VLCD
LOOK-UP
TABLE
ROM
1
0
MMVOPCAL[4:0]
VOS[4:0]
VOP[7:0]
VPR[7:0]
rom_add[8:0]
VPR[5:0]
VOFF[2:0]
b
EXT
EXT = 0
a
7 6 5 4 3 2 1 0 2 1 0
Fig.32 Setting of V
OP
in the basic and extended command set.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8811MU/2DA/1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80 x 128 pixels matrix LCD driver |
| PCF8811MU/2DA/1,02 | 制造商:NXP Semiconductors 功能描述:LCD DRVR 1.8V/2.5V Die Waffle 制造商:NXP Semiconductors 功能描述:PCF8811MU/UNCASED/WAFLM//2DA/1 - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:NXP Semiconductors 功能描述:LCD DRVR 1.8V/2.5V Die Waffle Waffle 制造商:NXP Semiconductors 功能描述:IC LCD CTLR/DVR CMOS LP UNCASED 制造商:NXP Semiconductors 功能描述:80 x 128 Pixels Matrix LCD Driver |
| PCF8811U/2DA/1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80 x 128 pixels matrix LCD driver |
| PCF8811U/2DA/1，026 | 制造商:NXP Semiconductors 功能描述:PCF8811U/UNCASED/WAFLM//2DA/1 - Gel-pak, waffle pack, wafer, diced wafer on film 制造商:NXP Semiconductors 功能描述:IC MATRIX LCD DRIVER UNCASED |
| PCF8812 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:65 x 102 pixels matrix LCD driver |
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