m34e02 STMicroelectronics, m34e02 Datasheet - Page 16

• Manufacturer Part Number: m34e02
• Description: 2 Kbit Serial I?c Bus Eeprom With Permanent And Reversible, Software Write Protection
• Manufacturer: STMicroelectronics

Device operation
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Figure 8.
Figure 9.
First byte of instruction
with RW = 0 already
decoded by the device
BYTE WRITE
PAGE WRITE
Write mode sequences in a non write-protected area
Write cycle polling flowchart using ACK
ReSTART
STOP
NO
NO
DEVICE SELECT
START Condition
Addressing the
WRITE Cycle
in Progress
with RW = 0
Operation is
Returned
Memory
ACK
Next
DEV SEL
DEV SEL
ACK
YES
WRITE Operation
WRITE Operation
DATA IN N
DATA for the
Continue the
R/W
R/W
ACK
ACK
YES
NO
BYTE ADDR
BYTE ADDR
ACK
and Receive ACK
Send Address
Condition
START
ACK
ACK
DATA IN 1
DATA IN
Random READ Operation
DEVICE SELECT
Continue the
with RW = 1
YES
ACK
ACK
DATA IN 2
AI01941
AI01847C
M34E02