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PRELIMINARY
JPEG CODEC
S3C6400X RISC MICROPROCESSOR
22-16
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.
Reserved [5]
-
Reserved
Bitstre_err_status [4] R
Bitstream error status. Valid during Decompression only.
0: There is no syntax error on the compressed file.
1: There is syntax error on the compressed file.
Header_status [3]
R
Header status. Valid during Decompression only.
0: Image size and sampling factor value cannot be read.
1: Image size and sampling factor value can be read.
Reserved [2:0]
-
Reserved
Note:
The value of this register will be reset after reading.
QTBL0
Register
Address
Description
Reset Value
QTBL0
0x78800400
~
0x788004FC
8-bit Quantization of table number 0 (64 data with
the distance of 4 on address)
-
QTBL0
Bit
R/W
Description
Reserved [31:8]
-
Reserved
Q_val0 [7:0]
W
It defines the quantizer table 0. The user must write some value in
this.
Note:
Address offset is increased as 0x04(word addressing).
QTBL1
Register
Address
Description
Reset Value
QTBL1
0x78800500
~
0x788005FC
8-bit Quantization of table number 1 (64 data with
the distance of 4 on address)
-