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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
SROM CONTROLLER
6-5
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.
SPECIAL FUNCTION REGISTERS
SROM BUS WIDTH & WAIT CONTRL REGISTER(SROM_BW)
Register
Address
R/W
Description
Reset Value
SROM_BW
0x70000000 R/W SROM Bus width & wait control
0x0000_000x
SROM_BW
Bit
Description
Initial State
Reserved
[31:24] Reserved
0
ByteEnable5
[23]
nWBE / nBE(for UB/LB) control for Memory Bank5
0 = Not using UB/LB (XrnWBE[1:0] is dedicated nWBE[1:0])
1 = Using UB/LB (XrnWBE[1:0] is dedicated nBE[1:0]
0
WaitEnable5
[22]
Wait enable control for Memory Bank5
0 = WAIT disable
1 = WAIT enable
0
Reserved
[21] Reserved
0
DataWidth5
[20]
Data bus width control for Memory Bank5
0 = 8-bit
1 = 16-bit
0
ByteEnable4
[19]
nWBE / nBE(for UB/LB) control for Memory Bank4
0 = Not using UB/LB (XrnWBE[1:0] is dedicated nWBE[1:0])
1 = Using UB/LB (XrnWBE[1:0] is dedicated nBE[1:0]
0
WaitEnable4
[18]
Wait enable control for Memory Bank4
0 = WAIT disable
1 = WAIT enable
0
Reserved
[17] Reserved
0
DataWidth4
[16]
Data bus width control for Memory Bank4
0 = 8-bit
1 = 16-bit
0
ByteEnable3
[15]
nWBE / nBE(for UB/LB) control for Memory Bank3
0 = Not using UB/LB (XrnWBE[1:0] is dedicated nWBE[1:0])
1 = Using UB/LB (XrnWBE[1:0] is dedicated nBE[1:0]
0
WaitEnable3
[14]
Wait enable control for Memory Bank3
0 = WAIT disable
1 = WAIT enable
0
Reserved
[13] Reserved
0
DataWidth3
[12]
Data bus width control for Memory Bank3
0 = 8-bit
1 = 16-bit
0
ByteEnable2
[11]
nWBE / nBE(for UB/LB) control for Memory Bank2
0 = Not using UB/LB (XrnWBE[1:0] is dedicated nWBE[1:0])
1 = Using UB/LB (XrnWBE[1:0] is dedicated nBE[1:0]
0
WaitEnable2
[10]
Wait enable control for Memory Bank2
0 = WAIT disable
1 = WAIT enable
0
Reserved
[9] Reserved
0