m41st85w STMicroelectronics, m41st85w Datasheet - Page 14

• Manufacturer Part Number: m41st85w
• Description: 3.0/3.3v I 2c Combination Serial Rtc, Nvram Supervisor And Microprocessor Supervisor
• Manufacturer: STMicroelectronics

Figure 6.
Figure 7.
Figure 8.
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SCL FROM
MASTER
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
CLOCK
DATA
EX
E CON
Serial bus data transfer sequence
Acknowledgement sequence
Write cycle timing: RTC & external SRAM control signals
CONDITION
START
START
tEXPD
MSB
1
DATA VALID
DATA LINE
STABLE
DATA ALLOWED
CHANGE OF
2
tEXPD
LSB
8
ACKNOWLEDGEMENT
CLOCK PULSE FOR
CONDITION
STOP
9
AI00587
AI00601
AI03663