SH7785 Datasheet, PDF (1202/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

24. Multimedia Card Interface (MMCIF)
Figure 24.1 shows a block diagram of the MMCIF.
MMCIF
Peripheral bus
FIFO
Data transmission/
reception control
MMCDAT
FSTAT
TRAN
ERR
FRDY
Command
transmission/
response
reception control
Interrupt control
MMC mode control
Card clock
generator
MMCCMD
MMCCLK
Figure 24.1 Block Diagram of MMCIF
24.2 Input/Output Pins
Table 24.1 summarizes the pins of the MMCIF.
Table 24.1 Pin Configuration
Pin Name
I/O
Function
MMCCLK
Input/Output
Card clock output
MMCCMD
Input/Output
Command output/response input
MMCDAT
Input/Output
Data input/output
Note: For insertion/detachment of a card or for signals switching over between open-drain and
CMOS modes, use ports of this LSI.
Rev.1.00 Jan. 10, 2008 Page 1172 of 1658
REJ09B0261-0100