RM0082
DDR memory controller (MPMC)
Doc ID 018672 Rev 1
161/844
10.13.14 MEM9_CTL
register
10.13.15 MEM10_CTL
register
Table 87.
MEM9_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:26] -
-
-
Reserved. Read undefined. Write should be
zero.
[25:24] ODT_RD_MAP_CS1 0x0
0x0 - 0x3
ODT Chip Select 1 map for READs.
Determines which chip(s) will have
termination when a read occurs on chip 1.
[23:18] -
-
-
Reserved. Read undefined. Write should be
zero.
[17:16] ODT_RD_MAP_CS0 0x0
0x0 - 0x3
ODT Chip Select 0 map for READs.
Determines which chip(s) will have
termination when a read occurs on chip 0.
[15:10] -
-
-
Reserved. Read undefined. Write should be
zero.
[09:80] MAX_CS
0x2
0x0 - 0x2
Maximum number of chip selects available.
READ-ONLY
[07:02] -
-
-
Reserved. Read undefined. Write should be
zero.
[01:00] CS_MAP
0x0
0x0 - 0x3
Specify which chip selects are active.
Table 88.
MEM10_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:26] -
-
-
Reserved. Read undefined. Write should be
zero.
[25:24] RTT_0
0x0
0x0 - 0x3
On-Die termination resistance setting for all
DRAM devices.
[23:18] -
-
-
Reserved. Read undefined. Write should be
zero.
[17:16] OUTOFRANGETYPE
0x0
0x0 - 0x3
Type of CMD that caused an Out-of-Range
interrupt. READ-ONLY
[15:10] -
-
-
Reserved. Read undefined. Write should be
zero.
[09:08] ODT_WR_MAP_CS1
0x0
0x0 - 0x3
ODT Chip Select 1 map for WRITEs.
Determines which chip(s) will have
termination when a write occurs on chip 1.