stm32 /stm32n6 /STM32N657 /FMC1 /FMC_SDTR

Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text

Interpret as FMC_SDTR

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (B_0x0)TMRD0 (B_0x0)TXSR0 (B_0x0)TRAS0 (B_0x0)TRC0 (B_0x0)TWR0 (B_0x0)TRP0 (B_0x0)TRCD

TRC=B_0x0, TRP=B_0x0, TRCD=B_0x0, TXSR=B_0x0, TWR=B_0x0, TRAS=B_0x0, TMRD=B_0x0

Description

SDRAM timing register

Fields

TMRD

Load mode register to active

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TXSR

Exit self-refresh delay

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TRAS

Self-refresh time

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TRC

Row cycle delay

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TWR

Recovery delay

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TRP

Row precharge delay

0 (B_0x0): 1 cycle

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

TRCD

Row to column delay

0 (B_0x0): 1 cycle.

1 (B_0x1): 2 cycles

15 (B_0xF): 16 cycles

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