參數(shù)資料
型號(hào)： 9531
廠商： NXP Semiconductors N.V.
英文描述： 8-bit I2C LED dimmer
中文描述： 8位I2C LED調(diào)光
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 154K
代理商： 9531
Philips Semiconductors
Product data
PCA9531
8-bit I
2
C LED dimmer
2003 Nov 10
7
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
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相關(guān)代理商/技術(shù)參數(shù)
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953-101-5010 制造商:Amphenol Fiber Optic Products 功能描述:Fiber Optic Connector 制造商:Amphenol Fiber Optic Products 功能描述:ST FIBER OPTIC CONN, 128 uM, MULTIMODE; Connector Type:ST Fiber Optic; Series:953; Fiber Type:Multimode; Fiber Diameter:128um; Connector Body Material:Ceramic; Body Material:Ceramic; Connector Type:ST Fiber-Optic ;RoHS Compliant: Yes
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