stm32 /stm32h7rs /STM32H7S /SDMMC1 /SDMMC_DLENR

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Interpret as SDMMC_DLENR

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 0DATALENGTH

Description

SDMMC data length register

Fields

DATALENGTH

Data length value This register can only be written by firmware when DPSM is inactive (DPSMACT = 0). Number of data bytes to be transferred. When DDR = 1 DATALENGTH is truncated to a multiple of 2. (The last odd byte is not transfered) When DATALENGTH = 0 no data are transfered, when requested by a CPSMEN and CMDTRANS = 1 also no command is transfered. DTEN and CPSMEN are cleared to 0.

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