Samsung S3C6400X User Manual page 204

S3C6400X RISC MICROPROCESSOR
PCCARD_CNFG&STATUS
Register
PCCARD_CNFG&ST
ATUS
PCCARD_CNFG&ST
ATUS
Reserved
CARD_RESET
INT_SEL
nWAIT_EN
DEVICE_ATT
DEVICE_COMM
DEVICE_IO
Reserved
NOCARD_ERR
nWAIT
nIREQ
nCD
Address
PCCARD_CNFG&STATUS is used to set the
0x70301820
configuration & read the status of card.
Bits
[31:14] Reserved bits
[13] CF card reset in PC card mode
0 : no reset
[12] Card interrupt request type select
0 : edge triggering
[11] nWAIT(from CF card) enable
0 : disable(always ready)
[10] Device type is 16bits or 8bits (Attribute memory
area)
0 : 8bit device
[9] Device type is 16bits or 8bits (Common memory
area)
0 : 8bit device
[8] Device type is 16bits or 8bits (I/O area)
0 : 8bit device
[7:4] Reserved bits
[3] No card operation
0 : no error
[2] nWAIT from CF card
0 : wait
[1] Interrupt request from CF card
0 : interrupt request
request
[0] Card detect
0 : card detect
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.
Description
Description
1 : reset
1 : level triggering
1 : enable
1 : 16bit device
1 : 16bit device
1 : 16bit device
1 : error
1 : ready
1 : no interrupt
1 : card not detect
CF CONTROLLER
Reset Value
0x0000_0F07
R/W Reset
Value
R 0x0
R/W 0x0
R/W 0x0
R/W 0x1
R/W 0x1
R/W 0x1
R/W 0x1
R 0x0
R 0x0
R 0x1
R 0x1
R 0x1
9-17