M41ST85W_11 STMICROELECTRONICS [STMicroelectronics], M41ST85W_11 Datasheet - Page 14

• Manufacturer Part Number: M41ST85W_11
• Description: 3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Operating modes
Figure 6.
Figure 7.
Figure 8.
14/43
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
Doc ID 7531 Rev 11
DATA ALLOWED
CHANGE OF
2
tEXPD
LSB
8
ACKNOWLEDGEMENT
CLOCK PULSE FOR
CONDITION
STOP
9
AI00601
AI00587
AI03663
M41ST85W