STCN75DS2F View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STCN75DS2F' PDF : 35 Pages View PDF
STCN75
Figure 6. Acknowledgement sequence
START
SCL FROM
MASTER
1
2
DATA OUTPUT
BY TRANSMITTER
MSB
DATA OUTPUT
BY RECEIVER
Functional description
CLOCK PULSE FOR
ACKNOWLEDGEMENT
8
9
LSB
AI00601
3.5
Note:
READ mode
In this mode the master reads the STCN75 slave after setting the slave address (see
Figure 7). Following the WRITE mode control bit (R/W=0) and the acknowledge bit, the word
address 'An' is written to the on-chip address pointer.
There are two READ modes:
● Preset pointer locations (e.g. temperature, TOS and THYS registers), and
● Pointer setting (the pointer has to be set for the register that is to be read)
The temperature register pointer is usually the default pointer.
These modes are shown in the READ mode typical timing diagrams (see Figure 8, Figure 9,
and Figure 10 on page 22).
Figure 7. Slave address location
R/W
START
SLAVE ADDRESS
A
1 0 0 1 A2 A1 A0
AI12226
Doc ID 13307 Rev 9
21/36
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