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| 型号： | PCA9633D16,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 21/43页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGBA 16-SOIC |
| 产品培训模块： | LED Controllers |
| 标准包装： | 50 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 4 |
| 内部驱动器： | 两者兼有 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGBA |
| 频率： | 25MHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 输出电压： | 5.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SO |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 配用： | OM6276,598-ND - DEMO BOARD PWM LED 622-1004-ND - BOARD DEMO FOR PHILIPS PCA9633 |
| 其它名称： | 568-3235-5 935281309112 PCA9633D16 |
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NXP Semiconductors
PCA9633
4-bit Fm+ I 2 C-bus LED driver
8. Characteristics of the I 2 C-bus
The I 2 C-bus is for 2-way, 2-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 control signals (see Figure 12 ).
SDA
SCL
data line
stable;
change
of data
data valid
allowed
mba607
Fig 12. Bit transfer
8.1.1 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 de?ned as the START condition (S). A
LOW-to-HIGH transition of the data line while the clock is HIGH is de?ned as the STOP
condition (P) (see Figure 13 ).
SDA
SCL
S
START condition
P
STOP condition
SDA
SCL
mba608
Fig 13. De?nition of START and STOP conditions
8.2 System con?guration
A device generating a message is a ‘transmitter’; a device receiving is the ‘receiver’. The
device that controls the message is the ‘master’ and the devices which are controlled by
the master are the ‘slaves’ (see Figure 14 ).
PCA9633_5
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 25 July 2008
21 of 43
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9633DEMO | 功能描述:开发板和工具包 - 8051 Brd Philips PCA9633 RoHS:否 制造商:Silicon Labs 产品:Development Kits 工具用于评估:C8051F960, Si7005 核心: 接口类型:USB 工作电源电压: |
| PCA9633DP1,118 | 功能描述:LED照明驱动器 LED DRVR 4BIT I2C RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| PCA9633DP1,118-CUT TAPE | 制造商:NXP 功能描述:PCA9633 Series 25 mA 5.5 V 1 MHz SMT 8-bit I2C-Bus LED Driver - TSSOP-8 |
| PCA9633DP2,118 | 功能描述:LED照明驱动器 4BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| PCA9633PW | 功能描述:LED照明驱动器 LED DRVR 4BIT I2C RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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