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S3C6400X RISC MICROPROCESSOR
I/O DESCRIPTION
Direct mode
Indirect mode
(UDMA mode
Xm0CSn[4]
XhiCSn_main
Xm0CSn[5]
Xm0REGata
Xm0OEata
Xm0RESETata
Xm0RESETata
Xm0WEata
Xm0OEn
Xm0WEn
XpcmDCLK[0]
Xm0ADDR[10:0]
XmmcDATA1[4]
XpcmEXTCLK[0]
I/O
only)
XhiCSn
O
XhiADR[8]
O
XhiADR[9]
Xm0REGata
O
Xm0OEata
O
O
Xm0WEata
O
XhiCSn_sub
O
XhiADR[10]
XhiWEn
O
XhiADR[11]
XEINT[8]
XuCTSn[0]
XuRXD[2]
XspiMISO[0]
O
XmmcCLK0
XmmcCLK1
XhiADR[0]
XuCTSn[1]
XEINT[9]
O
XuRTSn[0]
XuTXD[2]
XspiCLK[0]
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.
Card enable strobe
PC card mode : lower byte enable strobe
True-IDE mode : chip selection (nCS0)
Card enable strobe
PC card mode : higher byte enable strobe
True-IDE mode : chip selection (nCS1)
Register in CF card strobe
PC card mode : It is used for accessing register in CF card
True-IDE mode : DMA Acknowledge
Output enable strobe
PC card mode : output enable strobe for memory
True-IDE mode : GND.
CF card reset
PC card mode : active high
True-IDE mode : active low
Write enable strobe
PC card mode : output enable strobe for memory
True-IDE mode: VCC.
Read strobe for I/O mode
UDMA mode : host strobe
Write strobe for I/O mode
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.
CF CONTROLLER
Description
9-3
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