Renesas Electronics /R7FA6M3AH /SDHI0 /SD_OPTION

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Interpret as SD_OPTION

TOUTMASK=0, TOP=others, CTOP=others, WIDTH=0

Description

SD Card Access Control Option Register

Fields

CTOP	Card Detect Time Counter 0 (others): IMCLK x 2^(CTOP+10) 15 (1111): Setting prohibited
TOP	Timeout Counter 0 (others): SDHI clock x 2^(TOP+13) 15 (1111): Setting prohibited
TOUTMASK	Timeout MASKWhen timeout occurs in case of inactivating timeout, software reset should be executed to terminate command sequence. 0 (0): Activate Timeout 1 (1): Inactivate Timeout(RSPTO bit and DTO bit of SD_INFO2 and SD_ERR_STS2 won’t be set)
WIDTH8	Bus Widthsee b15, WIDTH bit
WIDTH	Bus WidthNOTE: The initial value is applied at a reset and when the SOFT_RST.SDRST flag is 0. 0 (0): 4-bit width (WIDTH8=0) / 8-bit width (WIDTH8=1) 1 (1): 1-bit width (WIDTH8=0 or 1 )

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