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參數資料
型號: PCF8576C
廠商: NXP Semiconductors N.V.
英文描述: Universal LCD driver for low multiplex rates
中文描述: 通用LCD驅動器的低復用率
文件頁數: 7/40頁
文件大小: 243K
代理商: PCF8576C
1998 Feb 06
7
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576
6
FUNCTIONAL DESCRIPTION
The PCF8576 is a versatile peripheral device designed to
interface to any microprocessor/microcontroller to a wide
variety of LCDs. It can directly drive any static or
multiplexed LCD containing up to four backplanes and up
to 40 segments. The display configurations possible with
the PCF8576 depend on the number of active backplane
outputs required; a selection of display configurations is
given in Table 1.
All of the display configurations given in Table 1 can be
implemented in the typical system shown in Fig.3.
The host microprocessor/microcontroller maintains the
2-line I
2
C-bus communication channel with the PCF8576.
The internal oscillator is selected by connecting pin OSC
to pin V
SS
. The appropriate biasing voltages for the
multiplexed LCD waveforms are generated internally.
The only other connections required to complete the
system are to the power supplies (V
DD
, V
SS
and V
LCD
) and
the LCD panel chosen for the application.
Table 1
Selection of display configurations
NUMBER OF
7-SEGMENTS NUMERIC
14-SEGMENTS
ALPHANUMERIC
DOT MATRIX
BACKPLANES
SEGMENTS
DIGITS
INDICATOR
SYMBOLS
CHARACTERS
INDICATOR
SYMBOLS
4
3
2
1
160
120
80
40
20
15
10
5
20
15
10
5
10
8
5
2
20
8
10
12
160 dots (4
×
40)
120 dots (3
×
40)
80 dots (2
×
40)
40 dots (1
×
40)
Fig.3 Typical system configuration.
handbook, full pagewidth
HOST
MICRO-
PROCESSOR/
MICRO-
CONTROLLER
R
tr
2CB
SDA
SCL
OSC
ROSC
1
17 to 56
13 to 16
10
SA0 V
2
6
7
8
5
12
9
11
40 segment drives
4 backplanes
LCD PANEL
(up to 160
elements)
PCF8576
A0
A1
A2
SS
SS
V
DD
V
DD
V
LCD
V
MBK277
相關PDF資料
PDF描述
PCF8576CH Universal LCD driver for low multiplex rates
PCF8576U Universal LCD driver for low multiplex rates
PCF8577C LCD direct/duplex driver with I2C-bus interface
PCF8577CP LCD direct/duplex driver with I2C-bus interface
PCF8591 8-bit A/D and D/A converter
相關代理商/技術參數
參數描述
PCF8576C_10 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates
PCF8576CH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates
PCF8576CH/1 功能描述:LCD 驅動器 160 SEGMENT LCD SEGMENT DRIVER RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8576CH/1,118 功能描述:LCD 驅動器 160 SEGMENT LCD SEGMENT DRIVER RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8576CH/1,157 功能描述:LCD 驅動器 160 SEGMENT LCD RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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