Preliminary
S3C2451X RISC MICROPROCESSOR
HSMMC CONTROLLER
21-63
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.
CONTROL REGISTER 3
Register Address
R/W
Description
Reset
Value
CONTROL3_0 0X4AC00084 R/W
FIFO Interrupt Control (Control Register 3)
(Channel 0)
0x7F5F3F1F
CONTROL3_1 0X4A800084 R/W
FIFO Interrupt Control (Control Register 3)
(Channel 1)
0x7F5F3F1F
Name Bit
Description
Initial
Value
FCSEL3 [31]
Feedback Clock Select [3]
Reference Note (1)
0x0
FIA3 [30:24]
FIFO Interrupt Address register 3
FIFO (512Byte Buffer memory, word address unit)
Initial value (0x7F) generates at 512-byte (128-word) position.
0x7F
FCSEL2 [23]
Feedback Clock Select [2]
Reference Note (1)
0x0
FIA2 [22:16]
FIFO Interrupt Address register 2
FIFO (512Byte Buffer memory, word address unit)
Initial value (0x5F) generates at 384-byte (96-word) position.
0x5F
FCSEL1 [15]
Feedback Clock Select [1]
Reference Note (2)
0x0
FIA1 [14:8]
FIFO Interrupt Address register 1
FIFO (512Byte Buffer memory, word address unit)
Initial value (0x3F) generates at 256-byte (64-word) position.
0x3F
FCSEL0 [7]
Feedback Clock Select [0]
Reference Note (2)
0x0
FIA0 [6:0]
FIFO Interrupt Address register 0
FIFO (512Byte Buffer memory, word address unit)
Initial value (0x1F) generates at 128-byte (32-word) position.
0x1F
Note (1) : FCSel[3:2] : Tx Feedback Clock Delay Control
‘01’=Delay1 (less delay), ‘11’=Delay2, ‘00’=Delay3, ‘10’=Delay4 (more delay)
Note (2) : FCSel[1:0] : Rx Feedback Clock Delay Control
‘00’=Delay1 (less delay), ‘01’=Delay2, ‘10’=Delay3, ‘11’=Delay4 (more delay)