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Part Name
Description
DS1306EN-TR View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS1306EN-TR
Serial Alarm Real Time Clock (RTC)
Dallas Semiconductor -> Maxim Integrated
DS1306EN-TR Datasheet PDF : 20 Pages
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FUNCTION TABLE
Table 3
MODE
CE
Disable Reset
L
Write
H
SCLK
Input Disabled
CPOL=1*
SDI
Input Disabled
Data Bit Latch
DS1306
SDO
High Z
High Z
CPOL=0
Read
H
CPOL=1
X
Next data bit
shift**
CPOL=0
* CPOL is the “Clock Polarity” bit that is set in the control register of the microcontroller.
** SDO remains at High Z until 8 bits of data are ready to be shifted out during a read.
NOTE:
CPHA bit polarity (if applicable) may need to be set accordingly.
SERIAL CLOCK AS A FUNCTION OF MICROCONTROLLER
CLOCK POLARITY (CPOL)
Figure 6
10 of 20
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