Pin Name List

Table 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.