
Coppertail Product Specification
MT8LLN22NCNE.fm – Rev. 1, Pub. 2/02
115
2002, Micron Technology Inc.
PRELIMINARY
MT8LLN22NCNE
COPPERTAIL
Acknowledge Setup Count
SMB Slave Error Status
NOTE:
SLV_ERR generated from this Register, any bit set generates a SLV_ERR. SLV_ERR is observed in register 2Ch.
1
Micron Reserved.
R/W
0
Micron Reserved.
R/W
0
ADDRESS: SMB_BASE + 29h
SYMBOL: ACK_SU_CNT
BITS
DESCRIPTION
PROPERTIES
RESET
7:0
Acknowledge Setup Count Value. This field allows the strobe used to
read the acknowledge and read data, to be moved throughout the valid
data window.
R/W
4Fh
ADDRESS: SMB_BASE + 2Bh
SYMBOL: SLV_ERR
BITS
DESCRIPTION
PROPERTIES
RESET
7
SMB_CLK High Timeout Error. This bit is set when SMB_CLK is HIGH
beyond the timeout limit. This bit indicates that the transfer was ended
because SMB_CLK High Timeout Limit was exceeded.
R/W
0
6
SMB Master Extended Low Timeout Error. A SMB master may extend the
Serial Clock for a limited amount of time during the SMB transfer. If that
limit is reached, this Status bit will be set.
R/W
0
5
SMB Slave Extended Low Timeout Error. A SMB slave may extend the
Serial Clock for a limited amount of time during the SMB transfer. If that
limit is reached, this Status bit will be set.
R/W
0
4
Micron Reserved.
R/W
0
3
Last Write Data Acknowledge Error. This Status Bit indicates that the
transaction was not acknowledged during the last write data phase of
the SMB transfer, when set.
R/W
0
2
Write Data Acknowledge Error. This Status Bit indicates that the transac-
tion was not acknowledged during the write data phase of the SMB
transfer, when set.
R/W
0
1
Byte Count Acknowledge Error. This Status Bit indicates that the transac-
tion was not acknowledged during the byte count phase of the SMB
transfer, when set.
R/W
0
Command Acknowledge Error. This Status Bit indicates that the transac-
tion was not acknowledged during the command phase of the SMB
transfer, when set.
R/W
0
SMB Bus Master/Interrupt Register (continued)
ADDRESS: SMB_BASE + 28h
SYMBOL: SMB_BM_INTR
BITS
DESCRIPTION
PROPERTIES
RESET