reg_dramtiming0
DRAM Timing 0 Register
Module Instance | Base Address | Register Address |
---|---|---|
iohmc_ctrl_inst_0_iohmc_ctrl_mmr_top_inst | 0xF8010000 | 0xF8010050 |
Size: 32
Offset: 0x50
Access: RW
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
cfg_mem_clk_disable_entry_cycles RW 0x0 |
||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
cfg_mem_clk_disable_entry_cycles RW 0x0 |
cfg_power_saving_exit_cycles RW 0x0 |
cfg_tcl RW 0x0 |
reg_dramtiming0 Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
18:13 | cfg_mem_clk_disable_entry_cycles |
iohmc_ctrl_mmr_top_inst.cfg_mem_clk_disable_entry_cycles[5:0] Name:Clock Disable Delay Cycles Description:Set to a the number of clocks after the execution of an self-refresh to stop the clock. This register is generally set based on PHY design latency and should generally not be changed. |
RW | 0x0 |
12:7 | cfg_power_saving_exit_cycles |
iohmc_ctrl_mmr_top_inst.cfg_power_saving_exit_cycles[5:0] Name:Minimum Low Power State Cycles Description:The minimum number of cycles to stay in a low power state. This applies to both power down and self-refresh and should be set to the greater of tPD and tCKESR. |
RW | 0x0 |
6:0 | cfg_tcl |
iohmc_ctrl_mmr_top_inst.cfg_tcl[6:0] Name:CAS Read Latency Description:Memory read latency. |
RW | 0x0 |