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參數(shù)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(shù)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(shù)字處理芯片的攝像照相機接口控制器)
文件頁數(shù): 50/78頁
文件大小: 816K
代理商: W99681CF
W99681CF
- 50 -
A 21-bit value specifies the WORD offset from the start of the frame buffer for the external
microcontroller access. This register contains 16 lower-order bits of the value. Bits 20-16
are located at CR0D_4-0.
uC Access DRAM Start Address High Register (CR0D)
Read/Write
Power-on Default:
Index: 000DH
XXXXH
uC Address: 1AH - 1BH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Reserved
R/W
Reserved
uCA[20:16]
Bits 15-9 Reserved
Bit 8
uC Access DRAM Mode
0 = Read mode. uC reads data from DRAM.
1 = Write mode. uC writes data to DRAM.
Bits 7-5
Reserved
Bits 4-0
uCA[20:16]
uC Access DRAM Data Port Register (CR0E)
Read/Write
Power-on Default:
Index: 000EH
XXXXH
uC Address: 1CH - 1DH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
High Byte Data
Low Byte Data
Bits 15-8 High Byte Data
Bits 7-0
Low Byte Data
Vendor String Data Port Register (CR0F)
Write-only
Power-on Default:
Index: 000FH
XXXXH
uC Address: 1EH - 1FH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Vendor String Data Port
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