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PRELIMINARY
HOST INTERFACE
S3C6400X
RISC MICROPROCESSOR
24-24
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.
CPUIF Status2 Register (CPUIFC_STAT2)
Offset=0x28, R/W, Reset Value=0x0001_0000
Field
Bit
Description
Initial State
Reserved
[31:20] Reserved 0x000
Reserved
[19]
Reserved
0
RBURST_DONE
[18]
Repeated burst write done flag
This flag is set when the repeated burst write is done. In
order to clear the flag, write HIGH value.
0
IMB_FILLED
[17]
IMB (In-Mail Box) filled flag
This flag is set when the in-mailbox is written by the modem.
In order to clear this flag, HIGH value should be written in
this bit.
0
OMB_EMPTY
[16]
OMB (Out-Mail Box) empty flag
This flag is an inversion of the OMB_FILLED (ie, STAT1[0]).
1
Reserved
[15:8]
Reserved 0x00
L_RFIFO_OVER_RUN
[7]
The over-run flag of Local RFIFO(L_RFIFO) in the CPUIF
Client(HOSTIF)
0
L_RFIFO_UNDER_RUN
[6]
The under-run flag of Local RFIFO(L_RFIFO) in the CPUIF
Client(HOSTIF)
0
WFIFO_OVER_RUN
[5]
The over-run flag of WFIFO in the CPUIF Client
0
WFIFO_UNDER_RUN [4]
The
under-run flag of WFIFO in the CPUIF Client
0
Reserved [3]
-
0
Reserved [2]
-
0
WBUF_OVER_RUN
[1]
The over-run flag of wbuf in the CPUIF Client(HOSTIF)
0
RBUF_UNDER_RUN
[0]
The under-run flag of rbuf in the CPUIF Client(HOSTIF)
In order to clear the flag, write HIGH value.
0