參數(shù)資料
型號(hào)： 82803AAMRH-R
英文描述： Controller Miscellaneous - Datasheet Reference
中文描述： 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁(yè)數(shù)： 13/52頁(yè)
文件大?。?/td> 322K
代理商： 82803AAMRH-R
82803AA MRH-R
R
Datasheet
13
2.
Signal Description
2.1.
‘Expansion’ Channel Interface
Signal
Type
Description
EXP1
I
RSL
Expansion Row Control.
This signal carries the row control packets (ExRCP) from
the MCH to attached MRH-Rs.
EXP0
I
RSL
Expansion Column Control.
This signal carries the column control packets
(ExCCP) from the MCH to attached MRH-Rs.
ExDQA[8:0]
I /O
RSL
Expansion Data Bus (Data Byte A).
Bi-directional 9 bit data bus A. These
correspond to the CHx_DQA[8:0] signals on the Direct RDRAM ‘Stick’ Channels.
ExDQB[8:0]
I/O
RSL
Expansion Data Bus (Data Byte B).
Bi-directional 9 bit data bus B. These
correspond to the CHx_DQB[8:0] signals on the Direct RDRAM ‘Stick’ Channels.
ExRQ[7:5]/
ExRRq[2:0]
I
RSL
Expansion Row Request.
These signals carry row request packets from the MCH
to the MRH-Rs. These correspond to the CHx_RQ[7:5]/CHx_RRq[2:0] signals on the
Direct RDRAM ‘Stick’ Channels.
ExRQ[4:0]/
ExCRq[4:0]
I
RSL
Expansion Column Request.
These signals carry column request packets from
the MCH to the MRH-Rs. These correspond to the CHx_RQ[4:0]/CHx_CRq[4:0]
signals on the Direct RDRAM ‘Stick’ Channels.
ExCTM
I
RSL
Expansion Clock To MCH.
One of the two differential transmit clock signals used
for MRH-R to MCH operations.
ExCTM#
I
RSL
Expansion Clock To MCH Complement.
One of the two differential transmit clock
signals used for MRH-R to MCH operations.
ExCFM
I
RSL
Expansion Clock from MCH.
One of the differential receive clock signals used for
MCH to MRH-R operation.
ExCFM#
I
RSL
Expansion Clock From MCH Complement.
One of the differential receive clock
signals used for MCH to MRH-R operation.
ExSIO
I/O
CMOS
Expansion Serial IO Chain.
Serial input/output pins used for reading and writing
control registers. These correspond to the SIO signals on the Direct RDRAM ‘Stick’
Channels.
ExSCK
I
CMOS
Expansion Serial Clock.
Clock source used to used for timing of the ExSIO and
ExCMD signals. This corresponds to the SCK signal on the Direct RDRAM ‘Stick’
Channels.
ExCMD
I
CMOS
Expansion Serial Command.
Serial command input used for control register read
and write operations. This corresponds to the CMD signal on the Direct RDRAM
‘Stick’Channels.
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