Power One SFP450 Series, Руководство по программированию

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Title
Issued 2006-05-19 SKl
Modified -- --
Mech. Eng. approved -- --
Marketing approved
SFP450/600 I
2
C Interface Programming
Manual
Mfg. approved --
Size Scale Sheet Drawing No. Revision
www.power-one.com
A4 2/21
BBA20005-G 001
Supersedes: -
3 Index
1 Scope......................................................................................................................................................1
2 SFP450/600 I
2
C Interface General Characteristic .................................................................................1
3 Index ......................................................................................................................................................2
4 SFP450/600 I
2
C features........................................................................................................................3
4.1 Dynamic data .................................................................................................................................3
4.2 Static data.......................................................................................................................................3
4.3 Connecting the SFP450/600 to the I
2
C Bus...................................................................................4
4.4 SFP450/600 I
2
C Supply (Slave) ....................................................................................................5
4.5 Device Address ..............................................................................................................................5
4.6 I
2
C Bus Master and clock (SCL) speed .........................................................................................6
4.7 Maximum and minimum values for Pull-Up resisters...................................................................6
5 SW Protocol...........................................................................................................................................7
5.1 Static serial EEPROM data............................................................................................................7
5.1.1 How to Read an EEPROM byte ............................................................................................8
5.1.2 How to read an EEPROM data block ....................................................................................9
5.1.3 How to write an EEPROM byte ..........................................................................................10
5.1.4 Power One EEPROM Definitions .......................................................................................11
5.1.4.1 Timestamp .......................................................................................................................11
5.1.4.2 Checksum32.....................................................................................................................11
5.2 Dynamic Status Port Data............................................................................................................12
5.2.1 Status Byte definition...........................................................................................................13
5.2.2 Voltage/current data interpretation ......................................................................................13
5.2.3 How to read the status byte from Status Port.......................................................................14
5.2.4 How to read the measured output Voltage/Current .............................................................15
5.3 Error Handling .............................................................................................................................16
5.3.1 Read Byte.............................................................................................................................16
5.3.2 Read Static serial EEPROM ................................................................................................17
5.3.3 Read Status Port...................................................................................................................18
6 Power-One I
2
C Interface tool ..............................................................................................................19
7 Bibliography ........................................................................................................................................21
8 Figure Index .........................................................................................................................................21
9 Glossary ...............................................................................................................................................21