Motherboard Express µATX Technical Reference Manual: 4.5.6. MultiMedia Card Interface, MCI

4.5.6. MultiMedia Card Interface, MCI

The PL180 PrimeCell Multimedia Card Interface (MCI) is an AMBA-compliant SoC peripheral that is developed, tested, and licensed by ARM. The interface supports both Multimedia Cards and Secure Digital cards.

The internal registers of the MCI interface are memory-mapped onto a static memory bus chip select. The chip select that they map onto depends on the memory map your daughterboard is using as follows:

ARM legacy memory map:
- The registers map onto the CS7 chip select.
Cortex-A Series memory map:
- The registers map onto the CS3 chip select.

Note

See the Technical Reference Manual for your daughterboard.

Table 4.28 provides information about the MCI interface.

Table 4.28. MCI implementation

Property	Value
Location	Motherboard IOFPGA
Memory base address	ARM Legacy memory map: SMB CS7 base address + `0x5000` Cortex-A Series memory map: SMB CS3 base address + `0x50000`
Interrupt	9 for MCI0 10 for MCI1
DMA	See Table 4.14
Release version	ARM MCI PL180 r1p0
Reference documentation	ARM PrimeCell Multimedia Card Interface (PL180) Technical Reference Manual

Copyright © 2009-2013, ARM. All rights reserved.	ARM DUI 0447H
Non-Confidential	ID040613
PDF version