Intel E3815 FH8065301567411 Data Sheet

 

Intel

®

 Atom™ Processor E3800 Product Family

Datasheet

295

DRAM Calibration Control

Default: 00001300h

31

28

24

20

16

12

8

4

0

0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0

R

svd_31_19_DSCH

IP

REQMAX

R

svd_15_13_DSCH

NEWBYPDIS

R

svd_11_10_DSCH

OOO

ST3DIS

OO

ODIS

Rs

vd_7_5_DSCH

O

OOA

GE

TRH

31:19

0h

RO

Reserved

18:16

7h

RW

Maximal number of In-Process Requests stored in the Dunit. Number of 

pending requests = IPREQMAX+1; Value may be changed after init/training when PMI is 

idle.

15:13

0h

RO

Reserved

12

1h

RW

Disable New Request Bypass. Setting this bit to 0 will allow a new 

request to bypass the normal Dunit internal arbiter when there are no pending 

commands. 0h - Enable New Request Bypass. 1h - Disable New Request Bypass. 

11:10

0h

RO

Reserved

9

0h

RW

Out-of-Order Disabled whenPMI status is 3. Valid only if OOODIS is 0; 0 - 

Remain OOO if status goes up to 3 1 - Disable OOO if status goes to 3 May be changed 

after init/training flow. 

8

1h

RW

Disable Out-of-Order . 0h - OOO enabled. 1h - OOO disabled. Should be 

disabled during init/training and can be enabled for functional mode. 

7:5

0h

RO

Reserved

4:0

08h

RW

Out-of-Order Aging Theshold. Number of PMI requests that can bypass 

any pending request before OOO will be disabled. This mechanism prevents starvation 

of pending commands. 

Message Bus Register

(Size: 32 bits)

Op Codes:
h - Read, h - Write