Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

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SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]

11063K–ATARM–05-Nov-13

The High Speed MultiMedia Card communication is based on a 13-pin serial bus interface. It has three communication
lines and four supply lines.

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, MCDAy to HSMCIx_DAy.

Note:

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

1

DAT[3]

I/O/PP

Data MCDz3

2

CMD

I/O/PP/OD

Command/response

MCCDz

3

VSS1

S

Supply voltage ground

VSS

4

VDD

S

Supply voltage

VDD

5

CLK

I/O

Clock

MCCK

6

VSS2

S

Supply voltage ground

VSS

7

DAT[0]

I/O/PP

Data 0

MCDz0

8

DAT[1]

I/O/PP

Data 1

MCDz1

9

DAT[2]

I/O/PP

Data 2

MCDz2

10

DAT[4]

I/O/PP

Data 4

MCDz4

11

DAT[5]

I/O/PP

Data 5

MCDz5

12

DAT[6]

I/O/PP

Data 6

MCDz6

13

DAT[7]

I/O/PP

Data 7

MCDz7

MCCDA

MCDA0

MCCK

HSMCI

2 3 4 5 6

1

7

MMC1

9 10 11

1213 8

2 3 4 5 6

1

7

MMC2

9 10 11

1213 8

2 3 4 5 6

1

7

MMC3

9 10 11

1213 8