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| 型号： | PCA85176H/Q900/1,5 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 29/59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
PCA85176
Automotive LCD driver for low multiplex rates
8. Characteristics of the I 2 C-bus
The I 2 C-bus is for bidirectional, two-line communication between different ICs or modules.
The two lines are a Serial DAta line (SDA) and a Serial CLock line (SCL). Both lines must
be connected to a positive supply via a pull-up resistor when connected to the output
stages of a device. Data transfer may be initiated only when the bus is not busy.
8.1 Bit transfer
One data bit is transferred during each clock pulse. The data on the SDA line must remain
stable during the HIGH period of the clock pulse as changes in the data line at this time
will be interpreted as a control signal (see Figure 17 ).
SDA
SCL
data line
stable;
change
of data
data valid
allowed
mba607
Fig 17. Bit transfer
8.2 START and STOP conditions
Both data and clock lines remain HIGH when the bus is not busy.
A HIGH-to-LOW transition of the data line while the clock is HIGH is defined as the START
condition - S.
A LOW-to-HIGH transition of the data line while the clock is HIGH is defined as the STOP
condition - P.
SDA
SCL
S
P
SDA
SCL
START condition
STOP condition
mbc622
Fig 18. Definition of START and STOP conditions
8.3 System configuration
A device generating a message is a transmitter, a device receiving a message is the
receiver. The device that controls the message is the master and the devices which are
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.
29 of 59
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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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