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Title
Issued
2006-05-19
SKl
Modified
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--
Mech. Eng. approved
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--
Marketing approved
SFP450/600 I
2
C Interface Programming
Manual
Mfg. approved
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Size
Scale
Sheet
Drawing No.
Revision
A4
9/21
BBA20005-G
001
Supersedes: -
5.1.2
How to read an EEPROM data block
1) "Start condition" from Master
2) Master sends "Device address" with "write attribute"
3) "Acknowledge" from Slave device (SFP450/600-S102)
4) Master sends "EEPROM address"
5) "Acknowledge" from Slave device (SFP450/600-S102)
6) "Repeated start" from Master (Sr/S)
7) Master sends "Slave address" with "read attribute"
8) "Acknowledge" from Slave device (SFP450/600-S102)
9) Slave sends "Data byte"
10) "Acknowledge" from Master (power management system)
n-time repetition of step 9) and 10)
11) Slave sends "Data byte"
12) "Not Acknowledge" from Master (power management system)
13) "Stop condition" from Master
S
Slave Adr. W A EEPROM Adr. A
Sr/S
Slave Adr.
R
A
Data Byte
A
8 bit
8 bit
8bit
8 bit
….
….
Master
Slave (SFP450/600 EERPOM)
Data Byte
A
8bit
Data Byte
/A
P
8 bit
Start Condition
Ack bit
Ack bit
Ack bit
Ack bit
Stop
Condition
not Ack bit
Ack bit
Start Condition