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參數(shù)資料
| 型號： | PCF8533 |
| 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(qū)動器的低復(fù)用率 |
| 文件頁數(shù)： | 5/36頁 |
| 文件大小： | 158K |
| 代理商： | PCF8533 |
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1999 Jul 30
5
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex rates
PCF8533
5
PINNING
Note
1.
For most applications SDA and SDAACK will be shorted together; see Chapter 7.
6
FUNCTIONAL DESCRIPTION
The PCF8533 is a versatile peripheral device designed to interface 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 80 segments.
The display configurations possible with the PCF8533 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.2.
The host microprocessor/microcontroller maintains the 2-line I
2
C-bus communication channel with the PCF8533.
The internal oscillator is selected by connecting pad OSC to 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 selected for the application.
Table 1
Selection of display configurations
SYMBOL
PAD
DESCRIPTION
SDAACK
SDA
SCL
CLK
V
DD
SYNC
OSC
A0, A1 and A2
SA0
V
SS
V
LCD
BP0, BP1, BP2 and BP3
S0 to S79
1
I
2
C-bus acknowledge output; note 1
I
2
C-bus serial data input; note 1
I
2
C-bus serial clock input
external clock input/output
supply voltage
cascade synchronization input/output
internal oscillator enable input
subaddress inputs
I
2
C-bus slave address input; bit 0
logic ground
LCD supply voltage
LCD backplane outputs
LCD segment outputs
2 and 3
4 and 5
6
7
8
9
10, 11 and 12
13
14
15
17, 99, 16 and 98
18 to 97
NUMBER OF
7-SEGMENTS NUMERIC
14-SEGMENTS
ALPHANUMERIC
DOT MATRIX
BACKPLANES
SEGMENTS
DIGITS
INDICATOR
SYMBOLS
CHARACTERS
INDICATOR
SYMBOLS
4
3
2
1
320
240
160
80
40
30
20
10
40
30
20
10
20
16
10
5
40
16
20
10
320 dots (4
×
80)
240 dots (3
×
80)
160 dots (2
×
80)
80 dots (1
×
80)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8533U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| PCF8533U/2/F2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| PCF8533U/2/F2,026 | 功能描述:IC LCD DRIVER UNIV UNCASED DIE RoHS:是 類別:未定義的類別 >> 其它 系列:* 標準包裝:1 系列:* 其它名稱:MS305720A |
| PCF8533U/2/F2026 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| PCF8533U/2/F2028 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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