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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
JPEG CODEC
22-21
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.
HDCTBLG1
Bit
R/W
Description
Reserved [31:8]
-
Reserved
H_AC_G_val1 [7:0]
W
It defines the group number of the order for occurrence in AC
Huffman table 1. The user must write some value in this.
Note:
Address offset is increased as 0x04(word addressing).
IMGADDR0
Register
Address
Description
Reset Value
IMGADDR0
0x78801000 Source or destination image address 0
0x0000_0000
IMGADDR0
Bit
R/W
Description
Image_addr0 [31:0]
R/W
Source
or destination Image address 0
IMGADDR1
Register
Address
Description
Reset Value
IMGADDR1
0x78801004 Source or destination image address 1
0x0000_0000
IMGADDR1
Bit
R/W
Description
Image_addr1 [31:0]
R/W
Source
or destination Image address 1
IMGADDR0
and
IMGADDR1
are the start address of an image data. The data before compression are read from
this address on encode mode, and decompressed data are stored from this address. It is needed when
MISC
[7:5]
is 0x1 or 0x2.
If process (encoding or decoding) is ended,
IMG_ADDR0
or
IMG_ADDR1
are swapped.
HUFADDR0
Register
Address
Description
Reset Value
HUFADDR0
0x78801008 Source or destination JPEG file address 0
0x0000_0000