NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 246
NHE6300ESB S L7XJ
Manufacturer Part Number
NHE6300ESB S L7XJ
Description
Manufacturer
Intel
Datasheet
1.NHE6300ESB_S_L7XJ.pdf
(848 pages)
Specifications of NHE6300ESB S L7XJ
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Table 125. Block Read/Write Protocol with PEC (Sheet 2 of 2)
Table 126. I
Intel
DS
246
®
6300ESB I/O Controller Hub
Note: This command is supported independent of the setting of the I2C_EN bit. The I
I
This command allows the Intel
devices, such as serial E
mode only. However, this does not allow access to devices using the I
Format” that has data bytes after the address. Typically these data bytes correspond to
an offset (address) within the serial memory chips.
command with the PEC_EN bit set produces undefined results. Software must force
both the PEC_EN and AAC bit to 0 when running this command.
For I
Register (SMBus I/O register, offset 04h) needs to be 0.
To support these devices, the Intel
with the format: shown in
2
2
20–27
29–36
38–45
C Block Read
C Block Read Protocol (Sheet 1 of 2)
2-8
Bit
Bit
19
28
37
46
...
...
...
...
...
...
1
9
2
C Read command, the value written into bit 0 of the Transmit Slave Address
Acknowledge from slave
Byte count - 8 bits
(Skip this step when I
Acknowledge from slave
(skip this step when I
Data byte 1 - 8 bits
Acknowledge from slave
Data byte 2 - 8 bits
Acknowledge from slave
Data bytes/slave
Acknowledges
Data byte N - 8 bits
Acknowledge from slave
PEC - 8 bits
Acknowledge from slave
Stop
Start
Slave Address - 7 bits
Write
Block Write Protocol
Description
Description
2
PROMs. The SMBus Block Read supports the 7-bit addressing
Table
2
2
®
C_EN bit set)
C_En bit set)
126.
6300ESB ICH to perform block reads to certain I
®
6300ESB ICH implements an I
21–27
30–37
39–46
48–55
Bit
19
20
28
29
38
47
56
...
...
...
...
...
...
Acknowledge from slave
Repeated start
Slave address - 7 bits
Read
Acknowledge from slave
Byte count from slave - 8 bits
Acknowledge
Data byte 1 from slave - 8 bits
Acknowledge
Data byte 2 from slave - 8 bits
Acknowledge
Data bytes from slave/acknowledge
Data byte N from slave - 8 bits
Acknowledge
PEC from slave - 8 bits
NOT acknowledge
Stop
Block Read Protocol
Order Number: 300641-004US
Description
Intel
2
C Read command
2
C “Combined
®
6300ESB ICH—5
November 2007
2
C Read
2
C
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