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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
CF CONTROLLER
9-3
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
I/O DESCRIPTION
Indirect mode
Direct mode
(UDMA mode
only)
I/O
Description
XhiCSn
Xm0CSn[4]
XhiADR[8]
O
Card enable strobe
PC card mode : lower byte enable strobe
True-IDE mode : chip selection (nCS0)
XhiCSn_main
Xm0CSn[5]
XhiADR[9]
O
Card enable strobe
PC card mode : higher byte enable strobe
True-IDE mode : chip selection (nCS1)
Xm0REGata Xm0REGata O
Register in CF card strobe
PC card mode : It is used for accessing register in CF card
True-IDE mode : DMA Acknowledge
Xm0OEata Xm0OEata
O
Output enable strobe
PC card mode : output enable strobe for memory
True-IDE mode : GND.
Xm0RESETata Xm0RESETata O
CF card reset
PC card mode : active high
True-IDE mode : active low
Xm0WEata Xm0WEata
O
Write enable strobe
PC card mode : output enable strobe for memory
True-IDE mode: VCC.
XhiCSn_sub
Xm0OEn
XhiADR[10]
O
Read strobe for I/O mode
UDMA mode : host strobe
XhiWEn
Xm0WEn
XhiADR[11]
O
Write strobe for I/O mode
XEINT[8]
XuCTSn[0]
XuRXD[2]
XspiMISO[0]
XpcmDCLK[0]
XmmcCLK0
XmmcCLK1
XmmcDATA1[4]
XhiADR[0]
XuCTSn[1]
O
Xm0ADDR[10:0]
XEINT[9]
XuRTSn[0]
XuTXD[2]
XspiCLK[0]
XpcmEXTCLK[0]
O
CF card address
PC card mode : full address use
True-IDE mode : only ADDR[2:0] use,
The other address line is connected to GND.