stm32 /stm32h5 /STM32H523 /FMC /FMC_PMEM

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_PMEM

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)MEMSET0MEMWAIT0MEMHOLD0 (B_0x0)MEMHIZ

MEMHIZ=B_0x0, MEMSET=B_0x0

Description

Common memory space timing register

Fields

MEMSET

Common memory x setup time

0 (B_0x0): 1 HCLK cycle

254 (B_0xFE): 255 HCLK cycles

MEMWAIT

Common memory wait time

1 (B_0x1): 2HCLK cycles (+ wait cycle introduced by deasserting NWAIT)

254 (B_0xFE): 255 HCLK cycles (+ wait cycle introduced by deasserting NWAIT)

MEMHOLD

Common memory hold time

1 (B_0x1): 1 HCLK cycle for write access / 3 HCLK cycles for read access

254 (B_0xFE): 254 HCLK cycles for write access / 256 HCLK cycles for read access

MEMHIZ

Common memory x data bus Hi-Z time

0 (B_0x0): 1 HCLK cycle

254 (B_0xFE): 255 HCLK cycles

Links

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