Expand description
This register contains the control parameters for each SDRAM memory bank
Structs§
- Register
SDCR
reader - This register contains the control parameters for each SDRAM memory bank
- Register
SDCR
writer
Type Aliases§
- Field
CAS
reader - CAS Latency This bits sets the SDRAM CAS latency in number of memory clock cycles - Field
CAS
writer - CAS Latency This bits sets the SDRAM CAS latency in number of memory clock cycles - Field
MWID
reader - Memory data bus width. These bits define the memory device width. - Field
MWID
writer - Memory data bus width. These bits define the memory device width. - Field
NB
reader - Number of internal banks This bit sets the number of internal banks. - Field
NB
writer - Number of internal banks This bit sets the number of internal banks. - Field
NC
reader - Number of column address bits These bits define the number of bits of a column address. - Field
NC
writer - Number of column address bits These bits define the number of bits of a column address. - Field
NR
reader - Number of row address bits These bits define the number of bits of a row address. - Field
NR
writer - Number of row address bits These bits define the number of bits of a row address. - Field
RBURST
reader - Burst read This bit enables burst read mode. The SDRAM controller anticipates the next read commands during the CAS latency and stores data in the Read FIFO. Note: The corresponding bit in the FMC_SDCR2 register is read only. - Field
RBURST
writer - Burst read This bit enables burst read mode. The SDRAM controller anticipates the next read commands during the CAS latency and stores data in the Read FIFO. Note: The corresponding bit in the FMC_SDCR2 register is read only. - Field
RPIPE
reader - Read pipe These bits define the delay, in KCK_FMC clock cycles, for reading data after CAS latency. Note: The corresponding bits in the FMC_SDCR2 register is read only. - Field
RPIPE
writer - Read pipe These bits define the delay, in KCK_FMC clock cycles, for reading data after CAS latency. Note: The corresponding bits in the FMC_SDCR2 register is read only. - Field
SDCLK
reader - SDRAM clock configuration These bits define the SDRAM clock period for both SDRAM banks and allow disabling the clock before changing the frequency. In this case the SDRAM must be re-initialized. Note: The corresponding bits in the FMC_SDCR2 register is read only. - Field
SDCLK
writer - SDRAM clock configuration These bits define the SDRAM clock period for both SDRAM banks and allow disabling the clock before changing the frequency. In this case the SDRAM must be re-initialized. Note: The corresponding bits in the FMC_SDCR2 register is read only. - Field
WP
reader - Write protection This bit enables write mode access to the SDRAM bank. - Field
WP
writer - Write protection This bit enables write mode access to the SDRAM bank.