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參數(shù)資料
| 型號： | PCF8531 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 34×128 pixel matrix driver(34×128 像素矩陣驅(qū)動器) |
| 中文描述： | 34 × 128像素矩陣驅(qū)動器（34 × 128像素矩陣驅(qū)動器） |
| 文件頁數(shù)： | 3/44頁 |
| 文件大小： | 212K |
| 代理商： | PCF8531 |
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2000 Feb 11
3
Philips Semiconductors
Product specification
34
×
128 pixel matrix driver
PCF8531
1
FEATURES
Single-chip LCD controller/driver
34 row and 128 column outputs
Display data RAM 34
×
128 bits
128 icons (last row is used for icons)
Fast mode I
2
C-bus interface (400 kbit/s)
Software selectable multiplex rates: 1 : 17, 1 : 26
and 1 : 34
Icon mode with Mux rate 1 : 2:
– Featuring reduced current consumption while
displaying icons only.
On-chip:
– Generation of V
LCD
(external supply also possible)
– Selectable linear temperature compensation
– Oscillator requires no external components (external
clock also possible)
– Generation of intermediate LCD bias voltages
– Power-on reset.
No external components required
Software selectable bias configuration
Logic supply voltage range V
DD1
to V
SS1
1.8 to 5.5 V
Supplyvoltagerangefor on-chipvoltage generatorV
DD2
and V
DD3
to V
SS1
and V
SS2
2.5 to 4.5 V
Display supply voltage range V
LCD
to V
SS
:
– Normal mode 4 to 9 V
– Icon mode 3 to 9 V.
Low power consumption, suitable for battery operated
systems
CMOS compatible inputs
Manufactured in silicon gate CMOS process.
2
APPLICATIONS
Telecommunication systems
Automotive information systems
Point-of-sale terminals
Instrumentation.
3
GENERAL DESCRIPTION
The PCF8531 is a low power CMOS LCD row/column
driver, designed to drive dot matrix graphic displays at
multiplex rates of 1 : 17, 1 : 26 and 1 : 34. Furthermore, it
can drive up to 128 icons. All necessary functions for the
display are provided in a single chip, including on-chip
generation of V
LCD
and the LCD bias voltages, resulting in
a minimum of external components and low power
consumption. The PCF8531 is compatible with most
microcontrollers and communicates via a two-line
bidirectional bus (I
2
C-bus). All inputs are CMOS
compatible.
Remark
: The icon mode is used to save current. When
only icons are displayed, a much lower operating voltage
(V
LCD
) can be used and the switching frequency of the
LCD outputs is reduced. In most applications it is possible
to use V
DD
as V
LCD
.
4
PACKAGES
The PCF8531 is available as chip with bumps in tray.
5
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF8531U/2
chip with bumps in tray
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCF8533 | Universal LCD driver for low multiplex rates |
| PCF8535 | 65 x 133 pixel matrix driver |
| PCF8535U | 65 x 133 pixel matrix driver |
| PCF8548 | 65 x 102 pixels matrix LCD driver |
| PCF8549 | 65 x 102 pixels matrix LCD driver |
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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