Preliminary
CF CONTROLLER
S3C2451X RISC MICROPROCESSOR
8-12
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.
PCCARD CONFIGURATION & STATUS REGISTER
Register Address
R/W
Description
Reset
Value
PCCARD_CFG 0x4B801820 R/W PCCARD_CFG is used to set the configuration &
read the status of card.
0x0000_0F0
7
PCCARD_CFG Bits
Description
R/W Reset
Value
Reserved [31:14]
Reserved bits
R
0x0
CARD_
RESET
[13]
CF card reset in PC card mode
0 : no reset 1 : reset
R/W 0x0
INT_SEL
[12]
Card interrupt request type select
0 : edge triggering 1 : level triggering
R/W 0x0
nWAIT_EN
[11]
nWAIT(from CF card) enable
0 : disable(always ready) 1 : enable
R/W 0x1
DEVICE_ATT
[10]
Device type is 16bits or 8bits (Attribute memory area)
0 : 8-bit device 1 : 16-bit device
R/W 0x1
DEVICE_
COMM
[9]
Device type is 16bits or 8bits (Common memory area)
0 : 8-bit device 1 : 16-bit device
R/W 0x1
DEVICE_IO
[8]
Device type is 16bits or 8bits (I/O area)
0 : 8-bit device 1 : 16-bit device
R/W 0x1
Reserved [7:4]
Reserved
bits
R
0x0
NOCARD_ERR
[3]
No card operation
0 : no error 1 : error
R 0x0
nWAIT
[2]
nWAIT from CF card
0 : wait 1 : ready
R 0x1
nIREQ
[1]
Interrupt request from CF card
0 : interrupt request 1 : no interrupt request
R 0x1
nCD
[0]
Card detect
0 : card detect 1 : card not detect
R 0x1