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參數資料
型號: W99681CF
廠商: WINBOND ELECTRONICS CORP
英文描述: JPEG USB Dual Mode Camera Chip(運用JPEG壓縮技術、通用串行總線結構技術、雙制式的照相電路數字處理芯片的攝像照相機接口控制器)
中文描述: JPEG格式相機的USB雙模芯片(運用的JPEG壓縮技術,通用串行總線結構技術,雙制式的照相電路數字處理芯片的攝像照相機接口控制器)
文件頁數: 61/78頁
文件大小: 816K
代理商: W99681CF
W99681CF
Publication Release Date: March 2000
- 61 - Revision A1
Power-on Default:
XXXXH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
CAPYS[9:0]
Bits 15-10 Reserved
Bits 9-0
Capture UV Frame Buffer Stride
This register specifies the WORD offset of vertically adjacent U or V components of the
captured video which is in planar mode. It is used for both buffer 0 and buffer 1. It is not
used if the captured video is in packed mode.
Video Capture Y FIFO Threshold Register (CR2E)
Read/Write
Power-on Default:
Index: 002EH
0804H
uC Address: 5CH - 5DH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
VCAPY_HT[4:0]
Reserved
VCAPY_LT[4:0]
Bits 15-13 Reserved
Bits 12-8 Video Capture Y FIFO High Threshold
When video capture FIFO (packed mode), or Y FIFO (planar mode) is filled to this threshold,
a request is generated to the DRAM controller for DRAM access. Initial value is 08H.
Bits 7-5
Reserved
Bits 4-0
Video Capture Y FIFO Low Threshold
When video capture FIFO (packed mode), or Y FIFO (planar mode) is fetched to this
threshold by DRAM controller, the FIFO is ready to release DRAM access to other pending
requests. Initial value is 04H.
Video Capture UV FIFO Threshold Register (CR2F)
Read/Write
Power-on Default:
Index: 002FH
8484H
uC Address: 5EH - 5FH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
VCAPU_HT[3:0]
VCAPU_LT[3:0]
VCAPV_HT[3:0]
VCAPV_LT[3:0]
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相關代理商/技術參數
參數描述
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