Samsung S3C6400X User Manual page 678

S3C6400X RISC MICROPROCESSOR
Summary of host interface registers
Table 21.5. BIT Processor Common Register Summary (BASE = 0x7E002000)
Address Type
BASE+0x000 W
BASE+0x004 W
BASE+0x008 W
BASE+0x00C W
BASE+0x010 R
BASE+0x014 W
BASE+0x018 R
Protected for Internal Use
BASE+0x100 R/W
BASE+0x104 R/W
BASE+0x108 R/W
BASE+0x10C R/W
BASE+0x110 R/W
BASE+0x114 R/W
Protected for Internal Use
BASE+0x11C R/W
BASE+0x120 R/W
BASE+0x124 R/W
BASE+0x128 R/W
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.
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
21-52
Specifications and information herein are subject to change without notice.
Reset
Width
value
0 CodeRun
0 CodeDownLoad
0 HostIntReq
0 BitIntClear
0 BitIntSts
0 BitCodeReset
0 BitCurPc
N/A CodeBufAdddr
N/A WorkBufAddr
N/A ParaBufAddr
N/A BitStreamCtrl
N/A FrameMemCtrl
N/A DecFuncCtrl
N/A BitWorkBufCtrl
N/A BitStreamRdPtr0
N/A BitStreamWrPtr0
N/A BitStreamRdPtr1
MULTI-FORMAT VIDEO CODEC
Name
BIT run start
Code Download Data register
Host Interrupt Request to BIT
BIT Interrupt Clear
BIT Interrupt Status
BIT Code Reset
BIT Current PC
CODE Table SDRAM Address
Working Buffer SDRAM Address
Argument/Return Parameter Buffer SDRAM
Address
Bit Stream Buffer Control
Frame Memory Control
Decoder Function Control
Work Buf Control
Bit Stream Buffer Read Address of Run Index 0
Bit Stream Buffer Write Address of Run Index 0
Bit Stream Buffer Read Address of Run Index 1
Description
1
2