88F6180
Hardware Specifications
1.2.16
Secure Digital Input/Output (SDIO) Interface
Note
All of the SDIO signals are multiplexed on the MPP pins (see
).
Table 18: Secure Digital Input/Output (SDIO) Interface Signal Assignment
Pin Name
I/O
Pin Type
Power Rail
Description
SD_CLK
SD_CMD
O
I/O
CMOS
CMOS
VDDO
VDDO
SDIO Clock
SDIO Command
Used to transfer a command serially from the SDIO host to the
SDIO device. Used to transfer a command response serially
from the SDIO device to the SDIO host.
NOTE:
This pin requires a pull up on board.
SDIO Data Input/Output
Used to transfer data from the SDIO host to the SDIO device or
vice versa.
NOTE:
These pins require a pull up on board.
SD_D[3:0]
I/O
CMOS
VDDO
Doc. No. MV-S104988-U0 Rev. E
Page 36
Document Classification: Proprietary Information
Copyright © 2008 Marvell
December 2, 2008, Preliminary
MARVELL [ MARVELL TECHNOLOGY GROUP LTD. ]
