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參數資料
| 型號： | W9925QF-K |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 消費家電 |
| 英文描述： | A High Performance Single-Chip VCD Decoder(高性能的單片VCD解碼器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數： | 11/11頁 |
| 文件大小： | 177K |
| 代理商： | W9925QF-K |
Preliminary
W9925QF-K
Publication Release Date: April, 1998
Revision 1.0
- 11 -
Set 0x1 as chip initialized.
VCDL2
Set 0x0 to decode all kind of layer2 bitstream.
LPRGC
Set 0x4000 to control gain as 1/2;
8.11 Local DRAM Configuration
CD-ROM decoding
address
0-1ffh
1200h-3ffffh
description
internal used
CD-ROM sectors
A CD-ROM sector contains 2352 bytes including sync, header, subheader, user data, ECC code, EDC code with
different format according to mode bit and form bit in header/subheader.
MPEG decoding with BBR command and ARG0=0
address
0-1ffh
200h-11ffh
1200h-67ffh
6800h-7bffh
7c00h-3ffffh
description
internal used
key control buffer
video bitstream buffer
audio bitstream buffer
frame buffer
MPEG decoding with BBR command and ARG0=1
address
0-1ffh
200h-11ffh
1200h-67ffh
6800h-81ffh
8200h-3ffffh
description
internal used
key control buffer
video bitstream buffer
audio bitstream buffer
frame buffer
MPEG decoding with BBR command and ARG0=2
address
0-1ffh
200h-dffh
e00h-67ffh
6800h-7bffh
7c00h-3ffffh
description
internal used
key control buffer
video bitstream buffer
audio bitstream buffer
frame buffer
MPEG bitstream is put in bitstream buffer after system parsing. As decoding is finished, video data are put in the
frame buffer and wait to display, while audio data are put in internal memory controlled by the audio processor.
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| W9925PF | MPEG-1 A/V SYSTEM DECODER |
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| W9952 | TV ENCODER |
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相關代理商/技術參數 |
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| W9945RC | 制造商:Winslow Adaptics Ltd 功能描述:SSOP20/20 DIP programming adaptor |
| W9950P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| W9951TF | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TRIP 8-BIT DAC-MUXWITHGENLOCK PLL & ANALOG COLOR KEY |
| W9952 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TV ENCODER |
| W9952QP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TV ENCODER |
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