Pccard_Cfg - Samsung S3C2451X User Manual

CF CONTROLLER
PCCARD CONFIGURATION & STATUS REGISTER
Register

PCCARD_CFG

0x4B801820
PCCARD_CFG Bits
Reserved [31:14]
CARD_ [13]
RESET
INT_SEL [12]
nWAIT_EN [11]
DEVICE_ATT [10]
DEVICE_
COMM
DEVICE_IO
Reserved [7:4]
NOCARD_ERR
nWAIT
nIREQ
nCD
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
8-12
Specifications and information herein are subject to change without notice.
Address R/W
R/W PCCARD_CFG is used to set the configuration &
read the status of card.
Reserved bits
CF card reset in PC card mode
0 : no reset
Card interrupt request type select
0 : edge triggering
nWAIT(from CF card) enable
0 : disable(always ready)
Device type is 16bits or 8bits (Attribute memory area)
0 : 8-bit device
[9] Device type is 16bits or 8bits (Common memory area)
0 : 8-bit device
[8] Device type is 16bits or 8bits (I/O area)
0 : 8-bit device
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
[0] Card detect
0 : card detect
Description
Description
1 : reset
1 : level triggering
1 : enable
1 : 16-bit device
1 : 16-bit device
1 : 16-bit device
1 : error
1 : ready
1 : no interrupt request
1 : card not detect
S3C2451X RISC MICROPROCESSOR
Reset Value
0x0000_0F0
R/W Reset Value
R
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
7
0x0
0x0
0x0
0x1
0x1
0x1
0x1
0x0
0x0
0x1
0x1
0x1