RM0082
DDR memory controller (MPMC)
Doc ID 018672 Rev 1
165/844
10.13.23 MEM18_CTL
register
10.13.24 MEM19_CTL
register
[07:03] -
-
-
Reserved. Read undefined. Write should be
zero.
[02:00] CAS_LATENCY
0x0
0x0 - 0x7
Encoded CAS latency sent to DRAMs during
initialization.
Table 95.
MEM17_CTL register bit assignments (continued)
Bit
Name
Reset
value
Range
Description
Table 96.
MEM18_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:27] -
-
-
Reserved. Read undefined. Write should be zero.
[26:24] TRTP
0x0
0x0 - 0x7
DRAM TRTP parameter in cycles.
[23:19] -
-
-
Reserved. Read undefined. Write should be zero.
[18:16] TRRD
0x0
0x0 - 0x7
DRAM TRRD parameter in cycles.
[15:03] -
-
-
Reserved. Read undefined. Write should be zero.
[02:00] TEMRS
0x0
0x0 - 0x7
DRAM TEMRS parameter in cycles.
Table 97.
MEM19_CTL register bit assignments
Bit
Name
Reset
value
Range
Description
[31:27] -
-
-
Reserved. Read undefined. Write should be zero.
[26:24] WRLAT
0x0
0x0 - 0x7
DRAM WRLAT parameter in cycles.
[23:18] -
-
-
Reserved. Read undefined. Write should be zero.
[17:16]
WEIGHTED_ROU
ND_ROBIN_WEIG
HT_SHARING
0x0
0x0 - 0x3
Per-port pair shared arbitration for WRR.
[15:11] -
-
-
Reserved. Read undefined. Write should be zero.
[10:08] TWTR
0x0
0x0 - 0x7
DRAM TWTR parameter in cycles.
[07:03] -
-
-
Reserved. Read undefined. Write should be zero.
[02:00] TWR_INT
0x0
0x0 - 0x7
DRAM TWR parameter in cycles.