24C02C-ISN Datasheet, PDF (7/30 Pages) Microchip Technology – 2K 5.0V I2C™ Serial EEPROM

FIGURE 4-1:
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
SCL ^{(A) (B)}
(C)
(D)
SDA
Start
Condition
Address or
Acknowledge
Valid
Data
Allowed
to Change
24C02C
(C) (A)
Stop
Condition
FIGURE 4-2:
ACKNOWLEDGE TIMING
Acknowledge
Bit
SCL
12 345678 9 123
SDA
Data from transmitter
Transmitter must release the SDA line at this point
allowing the Receiver to pull the SDA line low to
acknowledge the previous eight bits of data.
Data from transmitter
Receiver must release the SDA line at this point
so the Transmitter can continue sending data.
© 2008 Microchip Technology Inc.
DS21202J-page 7