39.5 Pin Name List

Table 39-1. I/O Lines Description for 4-bit Configuration
Pin Name⁽¹⁾	Pin Description	Type⁽²⁾	Comments
MCCDA	Command/response	I/O/PP/OD	CMD of an MMC or SDCard/SDIO
MCCK	Clock	O	CLK of an MMC or SD Card/SDIO
MCDA0–MCDA3	Data 0..3 of Slot A	I/O/PP	DAT[0..3] of an MMC DAT[0..3] of an SD Card/SDIO

Note: 1. When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to HSMCIx_CDA, MCDAy to HSMCIx_DAy.

Note: 2. I: Input, O: Output, PP: Push/Pull, OD: Open Drain.

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