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PRELIMINARY
JPEG CODEC
S3C6400X RISC MICROPROCESSOR
22-10
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.
JPEC CODEC SPECIAL REGISTERS
Table 22-3 Register summary of JPEG Codec
Register
Address
R/W
Description
Reset Value
JPGMOD
0x78800000
R/W Process mode register.
0x00000000
JPGSTS 0x78800004
R
Operation
status registers.
0x00000000
JPGQHNO 0x78800008
R/W
Quantization table number register and
Huffman table number register.
0x00000000
JPGDRI 0x7880000C
R/W
MCU,
which inserts RST marker.
0x00000000
JPGY 0x78800010
R/W
Vertical resolution.
0x00000000
JPGX 0x78800014
R/W
Horizontal resolution
0x00000000
JPGCNT
0x78800018
R
The amount of the compressed data in bytes
-
JPGIRQS 0x7880001C
R/W
Interrupt setting register
0x00000000
JPGIRQ 0x78800020
R
Interrupt status register
-
QTBL0
0x78800400
~
0x788004FC
W
8-bit Quantization of table number 0 (64 data
with the distance of 4 on address)
-
QTBL1
0x78800500
~
0x788005FC
W
8-bit Quantization of table number 1 (64 data
with the distance of 4 on address)
-
QTBL2
0x78800600
~
0x788006FC
W
8-bit Quantization of table number 2 (64 data
with the distance of 4 on address)
-
QTBL3
0x78800700
~
0x788007FC
W
8-bit Quantization of table number 3 (64 data
with the distance of 4 on address)
-
HDCTBL0
0x78800800
~
W
The number of code per code length (16
data with the distance of 4 on address)
-