參數(shù)資料
型號: DS1307
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 1 TIMER(S), REAL TIME CLOCK, PDIP8
封裝: 0.300 INCH, PLASTIC, DIP-8
文件頁數(shù): 3/14頁
文件大?。?/td> 361K
代理商: DS1307
DS1307 64 x 8, Serial, I2C Real-Time Clock
11 of 14
Figure 3. Data Transfer on I2C Serial Bus
Depending upon the state of the R/
W bit, two types of data transfer are possible:
1.
Data transfer from a master transmitter to a slave receiver. The first byte transmitted by the master is the
slave address. Next follows a number of data bytes. The slave returns an acknowledge bit after each received
byte. Data is transferred with the most significant bit (MSB) first.
2.
Data transfer from a slave transmitter to a master receiver. The first byte (the slave address) is transmitted
by the master. The slave then returns an acknowledge bit. This is followed by the slave transmitting a number
of data bytes. The master returns an acknowledge bit after all received bytes other than the last byte. At the
end of the last received byte, a “not acknowledge” is returned.
The master device generates all the serial clock pulses and the START and STOP conditions. A transfer is
ended with a STOP condition or with a repeated START condition. Since a repeated START condition is also
the beginning of the next serial transfer, the bus will not be released. Data is transferred with the most
significant bit (MSB) first.
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
R/W
DIRECTION
BIT
REPEATED IF MORE BYTES
ARE TRANSFERED
START
CONDITION
STOP
CONDITION
OR
REPEATED
START
CONDITION
MSB
1
2
6
7
8
9
1
2
3-7
8
9
ACK
SDA
SCL
相關(guān)PDF資料
PDF描述
DS1315EN-5 0 TIMER(S), REAL TIME CLOCK, PDSO20
DS1315-5 0 TIMER(S), REAL TIME CLOCK, PDIP16
DS1315EN-33 0 TIMER(S), REAL TIME CLOCK, PDSO20
DS1315N-5 0 TIMER(S), REAL TIME CLOCK, PDIP16
DS1315E-33 0 TIMER(S), REAL TIME CLOCK, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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