ltc2978 Linear Technology Corporation, ltc2978 Datasheet - Page 17
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ltc2978
Manufacturer Part Number
ltc2978
Description
Octal Pmbus Power Supply Monitor And Controller With Eeprom
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC2978.pdf
(64 pages)
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operaTion
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S
SLAVE ADDRESS
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SLAVE ADDRESS
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SLAVE ADDRESS
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COMMAND CODE
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SLAVE ADDRESS
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COMMAND CODE
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COMMAND CODE
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Wr A
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1
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Figure 10. Read Byte Protocol with PEC
Figure 4. Write Word Protocol with PEC
Figure 8. Read Word Protocol with PEC
Figure 3. Write Byte Protocol with PEC
Figure 6. Send Byte Protocol with PEC
SLAVE ADDRESS Wr A
COMMAND CODE
1
1
1
S
8
Figure 2. Write Word Protocol
Figure 7. Read Word Protocol
Figure 1. Write Byte Protocol
COMMAND CODE
COMMAND CODE
Figure 5. Send Byte Protocol
SLAVE ADDRESS
Figure 9. Read Byte Protocol
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Wr A
1
7
1
1
A
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COMMAND CODE
SLAVE ADDRESS
DATA BYTE LOW
SLAVE ADDRESS
DATA BYTE
A
1
1
Rd
1
A
1
A
8
1
1
1
S
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8
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SLAVE ADDRESS
DATA BYTE LOW
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DATA BYTE
DATA BYTE
DATA BYTE LOW
Rd
Rd
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DATA BYTE HIGH
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DATA BYTE
DATA BYTE LOW
PEC
Rd
DATA BYTE
8
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A
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A
8
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A
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2978 F05
DATA BYTE HIGH
P
1
A
1
1
A
8
8
DATA BYTE HIGH
PEC
DATA BYTE
1
A
8
8
1
A
1
A
2978 F01
2978 F06
P
P
A
1
1
8
8
1
A
1
DATA BYTE HIGH
PEC
A
A
1
1
8
2978 F02
2978 F03
PEC
1
P
1
P
1
A
A
1
1
8
2978 F09
1
P
A
1
2978 F04
PEC
1
P
1
A
1
8
1
A
1
2978 F10
2978 F07
LTC2978
1
P
1
P
A
1
1
2978 F08
1
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