FW82801ER S L742 Intel, FW82801ER S L742 Datasheet - Page 235
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FW82801ER S L742
Manufacturer Part Number
FW82801ER S L742
Description
Manufacturer
Intel
Datasheet
1.FW82801ER_S_L742.pdf
(671 pages)
Specifications of FW82801ER S L742
Lead Free Status / RoHS Status
Not Compliant
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Intel
®
Table 108. Read Byte/Word Protocol without PEC
Table 109. Read Byte/Word Protocol with PEC
82801EB ICH5 / 82801ER ICH5R Datasheet
27:21
37:30
46:39
18:11
27:21
37:30
18:11
8:2
Bit
8:2
10
19
20
28
29
38
47
48
Bit
10
19
20
28
29
38
39
1
9
1
9
Start
Slave Address — 7 bits
Write
Acknowledge from slave
Command code — 8 bits
Acknowledge from slave
Repeated Start
Slave Address — 7 bits
Read
Acknowledge from slave
Data from slave — 8 bits
Acknowledge
PEC from slave
NOT Acknowledge
Stop
Start
Slave Address — 7 bits
Write
Acknowledge from slave
Command code — 8 bits
Acknowledge from slave
Repeated Start
Slave Address — 7 bits
Read
Acknowledge from slave
Data from slave — 8 bits
NOT acknowledge
Stop
Read Byte Protocol
Read Byte Protocol
Description
Description
27:21
37:30
46:39
18:11
27:21
37:30
46:39
55:48
18:11
Bit
82
10
19
20
28
29
38
47
48
Bit
8:2
10
19
20
28
29
38
47
56
57
1
9
1
9
Start
Slave Address — 7 bits
Write
Acknowledge from slave
Command code — 8 bits
Acknowledge from slave
Repeated Start
Slave Address — 7 bits
Read
Acknowledge from slave
Data Byte Low from slave — 8 bits
Acknowledge
Data Byte High from slave — 8 bits
NOT acknowledge
Stop
Start
Slave Address — 7 bits
Write
Command code — 8 bits
Repeated Start
Slave Address — 7 bits
Read
Data Byte Low from slave — 8 bits
Acknowledge
PEC from slave
NOT acknowledge
Stop
Acknowledge from slave
Acknowledge from slave
Acknowledge from slave
Acknowledge
Data Byte High from slave — 8 bits
Read Word Protocol
Read Word Protocol
Functional Description
Description
Description
235
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