at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 373

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Application Block Diagram
Table 63. I/O Lines Description
Note:
1790A–ATARM–11/03
Pin Name
MCCDA/MCCDB
MCCK
MCDA0 - MCDA3
MCDB0 - MCDB3
1. I: Input, O: Output, PP: Push/Pull, OD: Open Drain.
Figure 152. Application Block Diagram
Pin Description
Command/response
Clock
Data 0..3 of Slot A
Data 0..3 of Slot B
1
2 3 4 5 6
ex: File System, Audio, Security, etc.
Type
I/O/PP/OD
I
I/O/PP
I/O/PP
MMC
(1)
7
Application Layer
Physical Layer
MCI Interface
9
CMD of an MMC or SD Card
Comments
CLK of an MMC or SD Card
DAT0 of an MMC
DAT[0..3] of an SD Card
DAT0 of an MMC
DAT[0..3] of an SD Card
1
2 3 4 5 6
SDCard
7 8
AT91RM3400
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