參數(shù)資料
型號: ZR36050
廠商: Zoran Corporation
英文描述: JPEG Image Compression Processor(JPEG 圖象壓縮處理器)
中文描述: JPEG圖像壓縮處理器(JPEG格式圖象壓縮處理器)
文件頁數(shù): 33/52頁
文件大小: 262K
代理商: ZR36050
ZR36050
33
ADVANCE INFORMATION
CONTROL REGISTERS FORMAT
The following table describes the encoding/decoding control registers format. The MBCV, TCV_NET, TCV_DATA, SF, AF, and ACT
registers are not used in the JPEG Lossless mode.
Table 10. Control Register Format
Address
Content
Description
000
GO
GO command virtual register (Write only)
001
[0 0]
002
HARDWARE
Hardware setting register
003
MODE
Operational mode register
004
OPTIONS
Options register
005
MBCV
Maximum block code volume
006
MARKERS_EN
Marker segments enable
007
INT_REQ_0
Interrupt masks for Status register 0.
008
INT_REQ_1
Interrupt masks for Status register 1.
009
TCV_NET(H)
High byte of the Target Net Code Volume
00A
TCV_NET(MH)
Middle high byte of the Target Net Code Volume
00B
TCV_NET(ML)
Middle low byte of the Target Net Code Volume
00C
TCV_NET(L)
Lowest byte of the Target Net Code Volume
00D
TCV_DATA(H)
High byte of the Target Data Code Volume
00E
TCV_DATA(MH)
Middle high byte of the Target Data Code Volume
00F
TCV_DATA(ML)
Middle low byte of the Target Data Code Volume
010
TCV_DATA(L)
Low byte of the Target Data Code Volume
011
SF(H)
High byte of the Scale Factor
012
SF(L)
Low byte of the Scale Factor
013
AF(H)
High byte of the Allocation Factor
014
AF(M)
Middle byte of the Allocation Factor
015
AF(L)
Low byte of the Allocation Factor
016
ACV(H)
High byte of the Accumulated data/total Code Volume
017
ACV(MH)
Middle high byte of the Accum. data/total Code Volume
018
ACV(ML)
Middle low byte of the Accum. data/total Code Volume
019
ACV(L)
Low byte of the Accumulated data/total Code Volume
01A
ACT(H)
High byte of the Accumulated Total Activity
01B
ACT(MH)
Middle High byte of the Accumulated Total Activity
01C
ACT(ML)
Middle low byte of the Accumulated Total Activity
01D
ACT(L)
Low byte of the Accumulated Total Activity
01E
ACV_TRUN(H)
High byte of the accumulated truncated bits
01F
ACV_TRUN(MH)
Middle high byte of the accumulated truncated bits
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