Datasheet

911
SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
37.4 Application Block Diagram
Figure 37-2. Application Block Diagram
37.5 Pin Name List
Notes: 1. I: Input, O: Output, PP: Push/Pull, OD: Open Drain.
2. When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to HSMCIx_CDA,
MCCDB to HSMCIx_CDB, MCCDC to HSMCIx_CDC, MCCDD to HSMCIx_CDD, MCDAy to HSMCIx_DAy, MCDBy to
HSMCIx_DBy, MCDCy to HSMCIx_DCy, MCDDy to HSMCIx_DDy.
,.
2 3 45617
MMC
2 3 456178
SDCard
9
Physical Layer
HSMCI Interface
Application Layer
ex: File System, Audio, Security, etc.
9 1011 12138
Table 37-1. I/O Lines Description for 8-bit Configuration
Pin Name
(2)
Pin Description Type
(1)
Comments
MCCDA/MCCDB Command/response I/O/PP/OD CMD of an MMC or SDCard/SDIO
MCCK Clock I/O CLK of an MMC or SD Card/SDIO
MCDA0 - MCDA7 Data 0..7 of Slot A I/O/PP DAT[0..7] of an MMC
DAT[0..3] of an SD Card/SDIO
MCDB0 - MCDB7 Data 0..7 of Slot B I/O/PP DAT[0..7] of an MMC
DAT[0..3] of an SD Card/SDIO
MCDC0 - MCDC7 Data 0..7 of Slot C I/O/PP DAT[0..7] of an MMC
DAT[0..3] of an SD Card/SDIO
MCDD0 - MCDD7 Data 0..7 of Slot D I/O/PP DAT[0..7] of an MMC
DAT[0..3] of an SD Card/SDIO