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PRELIMINARY
JPEG CODEC
S3C6400X RISC MICROPROCESSOR
22-22
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.
HUFADDR0
Bit
R/W
Description
Huff_addr0 [31:0]
R/W
Source
or
destination JPEG file address 0
HUFADDR1
Register
Address
Description
Reset Value
HUFADDR1
0x7880100C Source or destination JPEG file address 1
0x0000_0000
HUFADDR1
Bit
R/W
Description
Huff_addr1 [31:0]
R/W
Source
or
destination JPEG file address 1
HUFADDR0
and
HUFADDR1
are the start address for JPEG data. Both encode mode and decode mode, JPEG
data are stored or read from this address.
If process (encoding or decoding) is ended,
HUFADDR0
or
HUFADDR1
are
swapped
.
SW_JSTART
Register
Address
Description
Reset Value
SW_JSTART
0x78801010
Start JPEG process
0x0000_0000
SW_JSTART
Bit
R/W
Description
Reserved [31:1]
-
Reserved
S_JSTART
[0]
R/W 0: Don’t start JPEG process. 1: Start JPEG process
SW_JRSTART
Register
Address
Description
Reset Value
SW_JRSTART
0x78801014
Restart JPEG process
0x0000_0000
SW_JRSTART
Bit
R/W
Description
Reserved [31:1]
-
Reserved
S_JRSTART
[0]
R/W This value is available in decoding process.