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| 型号： | PCA85176H/Q900/1,5 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 12/59页 |
| 文件大小： | 0K |
| 描述： | IC LCD DRIVER 40SEG 64TQFP |
| 产品培训模块： | I²C Bus Fundamentals |
| 标准包装： | 1 |
| 显示器类型： | LCD |
| 配置： | 40 段 |
| 接口： | I²C |
| 电流 - 电源： | 80µA |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 95°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-TQFP |
| 供应商设备封装： | 64-TQFP（10x10） |
| 包装： | 标准包装 |
| 其它名称： | 568-5108-6 |
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NXP Semiconductors
Table 13.
Number of
PCA85176
Automotive LCD driver for low multiplex rates
Selection of possible display configurations
Backplanes
Icons
Digits/Characters
7-segment [1]
14-segment [2]
Dot matrix/
Elements
4
3
2
1
160
120
80
40
20
15
10
5
10
7
5
2
160 (4 ? 40)
120 (3 ? 40)
80 (2 ? 40)
40 (1 ? 40)
[1]
[2]
7 segment display has 8 elements including the decimal point.
14 segment display has 16 elements including decimal point and accent dot.
V DD
R ≤
HOST
t r
2C B
SDA
V DD
V LCD
40 segment drives
LCD PANEL
MICRO-
PROCESSOR/
MICRO-
CONTROLLER
SCL
OSC
A0
PCA85176
A1
A2
SA0 V SS
4 backplanes
(up to 160
elements)
V SS
The resistance of the power lines must be kept to a minimum.
013aaa051
Fig 5.
Typical system configuration
The host microcontroller maintains the 2-line I 2 C-bus communication channel with the
PCA85176. The internal oscillator is enabled 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 the power supplies (V DD ,
V SS , and V LCD ) and the LCD panel chosen for the application.
7.3.1 LCD bias generator
Fractional LCD biasing voltages are obtained from an internal voltage divider of three
impedances connected between V LCD and V SS . The center impedance is bypassed by
switch if the 1 ? 2 bias voltage level for the 1:2 multiplex drive mode configuration is
selected.
7.3.2 Display register
The display register holds the display data while the corresponding multiplex signals are
generated.
7.3.3 LCD voltage selector
The LCD voltage selector coordinates the multiplexing of the LCD in accordance with the
selected LCD drive configuration. The operation of the voltage selector is controlled by the
mode-set command from the command decoder. The biasing configurations that apply to
the preferred modes of operation, together with the biasing characteristics as functions of
PCA85176
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 11 July 2013
? NXP B.V. 2013. All rights reserved.
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相关代理商/技术参数 |
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|---|---|
| PCA85176T/Q900/1,1 | 功能描述:LCD 驱动器 40 SGMT 4800Hz RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| PCA85176T/Q900/1,118 | 制造商:NXP Semiconductors 功能描述:Cut Tape |
| PCA85176T-Q900 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal LCD driver for low multiplex rates |
| PCA8521 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Infrared remote control transmitter RC5 |
| PCA8521BP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Infrared remote control transmitter RC5 |
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