參數(shù)資料
型號(hào)： PCF8820
廠商： NXP Semiconductors N.V.
英文描述： 67 x 101 Grey-scale/ECB colour dot matrix LCD driver
中文描述： 67 × 101 Grey-scale/ECB彩色點(diǎn)陣LCD驅(qū)動(dòng)器
文件頁(yè)數(shù)： 47/60頁(yè)
文件大?。?/td> 316K
代理商： PCF8820
2000 Dec 07
47
Philips Semiconductors
Product specification
67
×
101 Grey-scale/ECB colour dot matrix
LCD driver
PCF8820
13.4
Application for COG
The PCF8820 physical pad positions are optimized for
single plane wiring e.g. for Chip-On-Glass (COG) display
modules (see Fig.30). The pad lines are as follows:
3 input/output lines: SDA, SCL and RES
101 column driver lines
33 and 34 row driver lines
pads SA0, SA1 and OSC can be tied in the application
to appropriate levels.
For COG applications, it is recommended that the Indium
Tin Oxide (ITO) track resistance is minimized for the I/O
and power supply connections. These connections should
have an optimum track resistance of <50
for the power
supply connections and <100
for the I/O connections.
Increasing the track resistance reduces the performance
and increases the current consumption.
The common supply resistor values especially, have to be
minimized (<5
for high supply voltage V
P1
, V
LCD
and
GND).
The minimum value required for the external capacitors is:
C
ext1
> 470 nF (C
ext1
> C
ext2
recommended)
C
ext2
> 100 nF (470 nF to 1
μ
F recommended).
Ahighervalueofthecapacitorsisrecommendedtoreduce
the ripple voltage.
handbook, full pagewidth
MGT137
3
LCD
(67
×
101 pixels)
VP1
I/O
GND
Cext1
Cext2
Rsupply
Rcommon
RI/O
VLCD
PCF8820
101 colum drivers
S
S
R
V
V
V
V
V
V
V
V
34 row drivers
33 row drivers
Fig.30 Application diagram for COG display module.
相關(guān)PDF資料
PDF描述
PCF8820U 67 x 101 Grey-scale/ECB colour dot matrix LCD driver
PCF8831 STN RGB - 160 output row driver
PCF8831U STN RGB - 160 output row driver
PCF8833 STN RGB - 132 X 132 X 3 driver
PCF88331 STN RGB - 132 X 132 X 3 driver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8820U 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:67 x 101 Grey-scale/ECB colour dot matrix LCD driver
PCF8831 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 160 output row driver
PCF8831U 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 160 output row driver
PCF8832 制造商:未知廠家 制造商全稱:未知廠家 功能描述:STN RGB - 384 output column driver
PCF8833 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:STN RGB - 132 X 132 X 3 driver
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