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參數(shù)資料
| 型號： | PCA9552 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | GT 10C 10#16 SKT RECP BOX RM |
| 中文描述： | 16位I2C LED與可編程閃爍率司機 |
| 文件頁數(shù)： | 8/21頁 |
| 文件大小： | 166K |
| 代理商： | PCA9552 |
Philips Semiconductors
Product data sheet
PCA9552
16-bit I
2
C LED driver with programmable blink rates
2004 Oct 01
8
Acknowledge
The number of data bytes transferred between the start and the stop conditions from transmitter to receiver is not limited. Each byte of eight bits
is followed by one acknowledge bit. The acknowledge bit is a HIGH level put on the bus by the transmitter whereas the master generates an
extra acknowledge related clock pulse.
A slave receiver which is addressed must generate an acknowledge after the reception of each byte. Also a master must generate an
acknowledge after the reception of each byte that has been clocked out of the slave transmitter. The device that acknowledges has to pull down
the SDA line during the acknowledge clock pulse, so that the SDA line is stable LOW during the HIGH period of the acknowledge related clock
pulse, set-up and hold times must be taken into account.
A master receiver must signal an end of data to the transmitter by not generating an acknowledge on the last byte that has been clocked out of
the slave. In this event, the transmitter must leave the data line HIGH to enable the master to generate a stop condition.
DATA OUTPUT
BY TRANSMITTER
SCL FROM
MASTER
SW00368
DATA OUTPUT
BY RECEIVER
1
2
8
9
S
START condition
clock pulse for
acknowledgement
acknowledge
not acknowledge
Figure 9. Acknowledgement on the I
2
C-bus
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCA9554 | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554A | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554AN | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9554N | 8-bit I2C and SMBus I/O port with interrupt |
| PCA9559PWDH | 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9552_06 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates |
| PCA9552BS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates |
| PCA9552BS,118 | 功能描述:LED照明驅(qū)動器 16-BIT I2C FM OD LED BLK RST RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9552D | 功能描述:LED照明驅(qū)動器 I2C LED BLINKR 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| PCA9552D,112 | 功能描述:LED照明驅(qū)動器 I2C LED BLINKR 16BIT RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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