r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1202

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

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