RM0082
DDR memory controller (MPMC)
Doc ID 018672 Rev 1
173/844
10.13.41 MEM38_CTL
register
10.13.42 MEM39_CTL
register
[23:21] -
-
-
Reserved. Read undefined. Write should be
zero.
[20:16]
OCD_ADJUST_PUP
_CS0
0x0
0x0 - 0x1F
OCD pull-up adjust setting for DRAMs for chip
select 0.
[15:13] -
-
-
Reserved. Read undefined. Write should be
zero.
[12:08]
OCD_ADJUST_PDN
_CS0
0x0
0x0 - 0x1F
OCD pull-down adjust setting for DRAMs for chip
select 0.
[07:06] -
-
-
Reserved. Read undefined. Write should be
zero.
[05:00] INT_ACK
0x0
0x0 - 0x3F
Clear mask of the INT_STATUS parameter.
WRITE-ONLY
Table 113.
MEM37_CTL register bit assignments (continued)
Bit
Name
Reset
value
Range
Description
Table 114.
MEM38_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31]
-
-
-
Reserved. Read undefined. Write should be zero.
[30:24] INT_STATUS
0x0
0x0 - 0x7F
Status of interrupt features in the controller.
READ-ONLY
[23]
-
-
-
Reserved. Read undefined. Write should be zero.
[22:16] INT_MASK
0x0
0x0 - 0x7F
Mask for controller_int signals from the
INT_STATUS parameter.
[15:13] -
-
-
Reserved. Read undefined. Write should be zero.
[12:08] TRC
0x0
0x0 - 0x1F DRAM TRC parameter in cycles.
[07:05] -
-
-
Reserved. Read undefined. Write should be zero.
[04:00] TMRD
0x0
0x0 - 0x1F DRAM TMRD parameter in cycles.
Table 115.
MEM39_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:15] -
-
-
Reserved. Read undefined. Write should be zero.
[14:08]
DLL_DQS_DELA
Y1
0x0
0x0 - 0x7F
Fraction of a cycle to delay the dqs signal from the
DRAMs for dll_rd_dqs_slice 1 during READs.