LS_JPEG codec
RM0082
560/844
Doc ID 018672 Rev 1
25.4.2 Register
description
25.4.3 JPGCreg0
register
This register is used to start and stop the coding process. It is intended to be a write-only
register. reading it always return 0. All other registers must be programmed before the JPGC
is started using this register.
StartStop
When this bit is set, the coding process starts. Clearing this bit during the coding process
has the effect of stopping the process itself.
25.4.4 JPGCReg1
register
This register defines several parameters for the image format and the coding process.
Table 472.
JPGC internal memories
Name
Offset
Type
Reset
value
Description
JPGCQMem
0x0800
RW
-
Quantization Table Memory.
JPGCHuffMin
0x0C00
RW
-
Huffmin Table Memory.
JPGCHuffBase
0x1000
RW
-
Huffbase Table Memory.
JPGCHuffSymb
0x1400
RW
-
Huffsymb Table Memory.
JPGCDHTMem
0x1800
RW
-
Dht Marker Segment Memory.
JPGCHuffEnc
0x1C00
RW
-
Huffenc Table Memory.
Table 473.
JPGCreg0 register bit assignments
Bit
Name
Reset
value
Description
[31:01]
Reserved
-
Read as zero.
[00]
1’h0
Write: coding process start/stop. Read as zero.