NXP Semiconductors /LPC43xx /SDMMC /CTYPE

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 CTYPE

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 (CARD_WIDTH0)CARD_WIDTH0 0RESERVED0 (CARD_WIDTH1)CARD_WIDTH1 0RESERVED

Description

Card Type Register

Fields

CARD_WIDTH0

Indicates if card is 1-bit or 4-bit: 0 - 1-bit mode 1 - 4-bit mode 1 and 4-bit modes only work when 8-bit mode in CARD_WIDTH1 is not enabled (bit 16 in this register is set to 0).

RESERVED

Reserved

CARD_WIDTH1

Indicates if card is 8-bit: 0 - Non 8-bit mode 1 - 8-bit mode.

RESERVED

Reserved

Links

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