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modules: Add support for Micron MT47H32M16 DDR2 RAM

This commit is contained in:
gruetzkopf 2019-08-31 09:47:46 +02:00
parent a23b9e7877
commit fe2cc948dc
1 changed files with 11 additions and 0 deletions
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litedram/modules.py
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@ -218,6 +218,17 @@ class MT47H128M8(SDRAMModule):
speedgrade_timings = {"default": _SpeedgradeTimings(tRP=15, tRCD=15, tWR=15, tRFC=(None, 127.5), tFAW=None, tRAS=None)} speedgrade_timings = {"default": _SpeedgradeTimings(tRP=15, tRCD=15, tWR=15, tRFC=(None, 127.5), tFAW=None, tRAS=None)}
class MT47H32M16(SDRAMModule):
memtype = "DDR2"
# geometry
nbanks = 4
nrows = 8192
ncols = 1024
# timings
technology_timings = _TechnologyTimings(tREFI=64e6/8192, tWTR=(None, 7.5), tCCD=(2, None), tRRD=None)
speedgrade_timings = {"default": _SpeedgradeTimings(tRP=15, tRCD=15, tWR=15, tRFC=(None, 127.5), tFAW=None, tRAS=None)}
class MT47H64M16(SDRAMModule): class MT47H64M16(SDRAMModule):
memtype = "DDR2" memtype = "DDR2"
# geometry # geometry