MAX6909 MAXIM [Maxim Integrated Products], MAX6909 Datasheet - Page 26

• Manufacturer Part Number: MAX6909
• Description: I2C-Compatible Real-Time Clocks with uP Supervisor and NV RAM Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

I
Supervisor and NV RAM Controller
Figure 19. Normal 2-Wire Bus Operation
Figure 20. Timeout 2-Wire Bus Operation
Figure 21. Bit Transfer
26
2
SDA
SCL
TIME_OUT_CLR
C-Compatible Real-Time Clocks with µP
TIME_OUT_CLR
______________________________________________________________________________________
TIME_OUT
TIME_OUT
1Hz_CLK
1Hz_CLK
SDA
SCL
SDA
SCL
DATA VALID
DATA LINE
STABLE;
VALID START
CONDITION
VALID START
CONDITION
ALLOWED
CHANGE
OF DATA
t1
VALID START
CONDITION
t2
BUS INTERFACE
RESET SERIAL
Figure 22. START and STOP Conditions
SDA
SCL
START CONDITION
S
VALID STOP
CONDITION
STOP CONDITION
P
SDA
SCL