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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
MULTI-FORMAT VIDEO CODEC
21-52
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.
Summary of host interface registers
Table 21.5. BIT Processor Common Register Summary (BASE = 0x7E002000)
Address
Type
Width
Reset
value
Name
Description
BASE+0x000
W
0
CodeRun
BIT run start
BASE+0x004
W
0
CodeDownLoad
Code Download Data register
BASE+0x008
W
0
HostIntReq
Host Interrupt Request to BIT
BASE+0x00C
W
0
BitIntClear
BIT Interrupt Clear
BASE+0x010
R
0
BitIntSts
BIT Interrupt Status
BASE+0x014
W
0
BitCodeReset
BIT Code Reset
BASE+0x018
R
0
BitCurPc
BIT Current PC
Protected for Internal Use
BASE+0x100 R/W
N/A CodeBufAdddr
CODE Table SDRAM Address
BASE+0x104
R/W
N/A
WorkBufAddr
Working Buffer SDRAM Address
BASE+0x108 R/W
N/A ParaBufAddr Argument/Return Parameter Buffer SDRAM
Address
BASE+0x10C
R/W
N/A
BitStreamCtrl
Bit Stream Buffer Control
BASE+0x110 R/W
N/A FrameMemCtrl
Frame Memory Control
BASE+0x114 R/W
N/A DecFuncCtrl
Decoder Function Control
1
Protected for Internal Use
BASE+0x11C
R/W
N/A
BitWorkBufCtrl
Work Buf Control
2
BASE+0x120 R/W
N/A BitStreamRdPtr0
Bit
Stream Buffer Read Address of Run Index 0
BASE+0x124 R/W
N/A BitStreamWrPtr0
Bit
Stream Buffer Write Address of Run Index 0
BASE+0x128 R/W
N/A BitStreamRdPtr1
Bit
Stream Buffer Read Address of Run Index 1
1
This function control register is newly added to provide an escape control scheme by host processor.
2
This Work Buffer control register is newly added to support Work Buffer configuration by host processor.