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19.2
Input/Output Pins
Table 19.1 summarizes the pins of the MCIF.
Table 19.1 Pin Configuration
Name
MCCLK, ExMCCLK
MCTxD, ExMCTxD
MCRxD, ExMCRxD
MCCSA, ExMCCSA
MCCSB, ExMCCSB
MCCMD, ExMCCMD
MCDAT, ExMCDAT
MCDATDIR, ExMCDATDIR
MCCMDDIR, ExMCCMDDIR
Section 19 Multimedia Card Interface (MCIF)
I/O
Function
Output
Common clock output pins in MMC mode/SPI
mode
Output
Command/data output pins in SPI mode
These pins are connected to the Data in pin on the
MMC side
Input
Response/data input pins in SPI mode
These pins are connected to the Data out pin on
the MMC side
Output
Card A selection output pins in SPI mode (active-
low signal)
These pins are connected to the CS pin on the
MMC side
Output
Card B selection output pins in SPI mode (active-
low signal)
These pins are connected to the CS pin on the
MMC side
Input/Output
Command output/response input pins in MMC
mode
Input/Output
Data input/output pins in MMC mode
Output
Output pins indicating input/output directions of the
MCDAT and ExMCDAT pins
Output
Output pins indicating input/output directions of the
MCCMD and ExMCCMD pins
Rev. 3.00 Jan 25, 2006 page 629 of 872
REJ09B0286-0300
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