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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
JPEG CODEC
22-15
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.
JPGCNT
Register
Address
Description
Reset Value
JPGCNT
0x78800018
The amount of the compressed data in bytes
0x00000000
JPGCNT
Bit
R/W
Description
Reserved [31:24]
-
Reserved
B_COUNT
[23:0]
R
It defines the byte of compressed data count in the width of
24
bits.
JPGIRQS
Register
Address
Description
Reset Value
JPGIRQS
0x7880001C
Interrupt setting register
0x00000000
JPGIRQS
Bit
R/W
Description
Reserved [31:4]
-
Reserved
Intr_enb [3]
R/W
Interrupt enable control.
0: Disable to read the image size and sampling factor value in the
result of compressed data analysis during decompression.
1: Enable to read the image size and sampling factor value in the
result of compressed data analysis during decompression.
Intr_ctrl
[2:0]
R/W
Write 0x0 to set interrupt.
JPGIRQ
Register
Address
Description
Reset Value
JPGIRQ 0x78800020
Interrupt
status register
0x00000000
JPGIRQ
Bit
R/W
Description
Reserved [31:7]
-
Reserved
Result_status [6]
R
Result status.
0: The processing was finished abnormally.
1: The processing was done normally.