Each part of register indicates the operation timing of each state
ATA controller
Features:
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?
?
?
?
Compatible with the ATA/ATAPI-6 standard
Thirty word-sized (32 bit) special function register
One FIFO that is 16 x 32 bit
Internal DMA controller (from ATA device to memory or from memory to ATA
device)
AHB master (DMA controller) supporting 8 burst & word size transfer
The control lines are available on X2.
High-speed MMC
The HSMMC (High-speed MMC) / SD-MMC is a combo host for Secure Digital card and
MultiMedia Card. This host is compatible with SD Association's (SDA) Host Standard
Specification.
Interface a system with SD card and MMC card. The performance of this host is very
powerful, supporting 52 MHz clock rate and 8-bit access simultaneously.
Features:
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?
?
?
?
?
?
?
?
?
?
?
?
SD Standard Host Spec (ver 1.0) compatible
SD Memory Card Spec (ver 2.1) / MMC Memory card Spec(4.2) compatible
SDIO Card Spec (ver 1.0) compatible
512 bytes FIFO for data Tx/Rx
48-bit Command Register
136-bit Response Register
CPU Interface and DMA data transfer mode
1-bit / 4-bit / 8-bit mode switch support
Auto CMD12 support
Suspend / Resume support
Read Wait operation support
Card Interrupt support
CE-ATA mode support
The control lines are available on X2.
www.digiembedded.com
46
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