![](http://datasheet.mmic.net.cn/260000/82803AAMRH-R_datasheet_15854618/82803AAMRH-R_4.png)
82803AA MRH-R
R
Datasheet
4
4.1.3.1.
4.1.3.2.
4.1.3.3.
4.1.3.4.
4.1.3.5.
4.1.3.6.
4.1.3.7.
SMBUS Operation.......................................................................................35
4.1.4.1.
SIO Request Packet for SPD Random Read.................................36
4.1.4.2.
SIO Request Packet for SPD Write Command..............................37
4.1.4.3.
Command Protocol and Bus Timing...............................................38
Reset .............................................................................................................................39
Power Management ......................................................................................................39
STR Support..................................................................................................................39
Overview.........................................................................................29
Packet Formats ..............................................................................30
Transactions...................................................................................33
Levelization.....................................................................................34
Initialization .....................................................................................34
MRH-R Register Operations...........................................................34
RDRAM Register Operations..........................................................35
4.1.4.
4.2.
4.3.
4.4.
5.
Ballout and Package Information...............................................................................................41
5.1.
MRH-R Ballout...............................................................................................................41
5.2.
Package Specifications .................................................................................................46
5.3.
MRH-R RSL Normalized Trace Length Data.................................................................48
6.
Testability...................................................................................................................................51
6.1.
Tri-state Mode ...............................................................................................................51
6.2.
XOR Chain Mode ..........................................................................................................51