Intel E3815 FH8065301567411 Data Sheet
Product codes
FH8065301567411
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
301
12.3.17
DSTAT (DSTAT)—Offset 20h
Dunit Status
Access Method
Default: 0000000Ah
Bit
Range
Default &
Access
Field Name (ID): Description
31:9
0h
RO
Rsvd_31_9_DCBR:
Reserved
8
0h
RW
SRXNRQDIS:
Disable Accepting Requests During Self Refresh Exit 0 - Load PMI
requests to Dunit in SR Exit tXSDLL and ZQCoper period 1 - Load PMI requests only
after tXSDLL and ZQCoper are complete
7:2
0h
RO
Rsvd_7_2_DCBR:
Reserved
1
0h
RW
DMINV:
Invert DRAM Data Mask 0 - Do not invert DRAM data mask 1 - Invert DRAM
data mask
0
0h
RW
PHSINV:
Core/SPID CDC phase control invert. Backup inverter for internal phase
indicator in Dunit.
Type:
Message Bus Register
(Size: 32 bits)
Offset:
Op Codes:
h - Read, h - Write
h - Read, h - Write
31
28
24
20
16
12
8
4
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0
Rsvd_31_DST
A
T
MAX
M
E
M
Rs
vd_27_24_DST
A
T
RE
FOPR3
RE
FOPR2
RE
FOPR1
RE
FOPR0
RE
FDB
T
3
RE
FDB
T
2
RE
FDB
T
1
RE
FDB
T
0
IPRQVL
D7
IPRQVL
D6
IPRQVL
D5
IPRQVL
D4
IPRQVL
D3
IPRQVL
D2
IPRQVL
D1
IPRQVL
D0
Rs
vd_7_5_DST
A
T
MN
T
_
S
TA
T
E
Bit
Range
Default &
Access
Field Name (ID): Description
31
0h
RO
Rsvd_31_DSTAT:
Reserved
30:28
0h
RO
MAXMEM:
Reflects the fus_dun_max_supported_memory fuse
27:24
0h
RO
Rsvd_27_24_DSTAT:
Reserved
23
0h
RO
REFOPR3:
Rank 3 Refresh Dept is greater than DRFC.REFWMLO
22
0h
RO
REFOPR2:
Rank 2 Refresh Dept is greater than DRFC.REFWMLO
21
0h
RO
REFOPR1:
Rank 1 Refresh Dept is greater than DRFC.REFWMLO
20
0h
RO
REFOPR0:
Rank 0 Refresh Dept is greater than DRFC.REFWMLO