DDR memory controller (MPMC)
RM0082
180/844
Doc ID 018672 Rev 1
10.13.64 MEM62_CTL/MEM63_CTL/MEM64_CTL register
10.13.65 MEM65_CTL
register
10.13.66 MEM66_CTL
register
10.13.67 MEM67_CTL
register
Table 137.
MEM62_CTL/MEM63_CTL/MEM64_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:00] -
-
-
Reserved. Read undefined. Write should be zero.
Table 138.
MEM65_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:26] -
-
-
Reserved. Read undefined. Write should be
zero.
[25:16]
dll_dqs_dly_byp
s0
0x0
0x1 - 0x3FF
Number of delay elements to include in the dqs
signal from the DRAMs for dll_rd_dqs_slice 0
during READs when DLL is being bypassed.
[15:00] -
-
-
Reserved. Read undefined. Write should be
zero.
Table 139.
MEM66_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:26] -
-
-
Reserved. Read undefined. Write should be
zero.
[25:16] dll_increment
0x0
0x1 - 0x3FF
Number of elements to add to DLL_START_P
OINT when searching for lock.
[15:10] -
-
-
Reserved. Read undefined. Write should be
zero.
[09:00] dll_dqs_dly_byps1
0x0
0x1 - 0x3FF
Number of delay elements to include in the dqs
signal from the DRAMs for dll_rd_dqs_slice
1during READs when DLL is being bypassed.
Table 140.
MEM67_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:26] -
-
-
Reserved. Read undefined. Write should be zero.
[25:16] dll_start_point
0x0
0x1 - 0x3FF
Initial delay count when searching for lock in master
DLL.