Samsung S5PC100 User Manual page 936

S5PC100 USER'S MANUAL (REV1.0)
8.12
This chapter describes the Secure Digital (SD/ SDIO), MultiMediaCard (MMC), CE-ATA host controller and
related registers supported by S5PC100X RISC microprocessor.
1 OVERVIEW
The SD/ MMC host controller is a combo host for Secure Digital card and MultiMediaCard. This host is based on
SD Association's (SDA) Host Standard Specification.
You can interface your system with SD card and MMC card. The performance of this host is very powerful, as
clock rate is 48-MHz and access 8-bit data pin simultaneously.
2 FEATURES
The High-Speed MMC controller supports:
•
SD Standard Host Specification Version 2.0 standard
•
SD Memory Card Specification Version 2.0 / High Speed MMC Specification Version 4.2 standard
•
SDIO Card Specification Version 1.0 standard
•
512 bytes FIFO for data Tx/ Rx
•
CPU Interface and DMA data transfer mode
•
1-bit / 4-bit / 8-bit mode switch
•
Auto CMD12
•
Suspend/ Resume
•
Read Wait operation
•
Card Interrupt
•
CE-ATA mode
SD/MMC CONTROLLER
SD/MMC CONTROLLER
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