參數(shù)資料
型號: 82803AAMRH-R
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 30/52頁
文件大?。?/td> 322K
代理商: 82803AAMRH-R
82803AA MRH-R
R
Datasheet
30
Figure 3. Connection of CMOS Signals
CMOS_Signals
82840
MCH
82803AA
MRH-R
RDRAM
RDRAM
RDRAM
RDRAM
ExSIO
ExSCK, ExCMD
ExSIO
S
S
S
S
S
RDRAM Channels
SMBDATA
SMBCLK
RDRAM
RDRAM
RDRAM
RDRAM
S
S
S
S
S
RDRAM Channels
SMBDATA
SMBCLK
S
S
82803AA
MRH-R
An augmented CMOS control packet format is used on the ‘expansion’ channel. This is a superset of the
packet format used with RDRAM devices and is described in the next section. The protocol allows
packets to be directed to individual MRH-Rs, broadcast to all MRH-Rs, or forwarded to selected ‘stick’
channels.
4.1.3.2.
Packet Formats
The serial control packets used on the ‘expansion’ bus are a superset of those used on the ‘stick’
channels. These packets can be directed to a specified MRH-R, broadcast to all MRH-Rs, forwarded to a
specified ‘stick’ channel, or broadcast to all ‘stick’ channels. Four types of packets are defined:
Expansion serial request packets, ExSRQ.
Expansion serial address, ExSA.
Expansion serial interval, ExSINT.
Expansion serial data, ExSD.
The following figures show the layout of Register Read, Register Write, and Non-Register Operation
packet types.
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