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VS8053 Datasheet(PDF) 39 Page - VLSI Solution Oy

Part # VS8053
Description  VS8053b - AUDIO PROCESSOR WITH Ogg Vorbis / FLAC / WAV SUPPORT
PDF  79 Pages
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Manufacturer  VLSI [VLSI Solution Oy]
Direct Link  https://www.vlsi.fi/
Logo VLSI - VLSI Solution Oy

VS8053 Datasheet(HTML) 39 Page - VLSI Solution Oy

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VS8053b Datasheet
9
FUNCTIONAL DESCRIPTION
9.6.8
SCI_WRAMADDR (W)
SCI_WRAMADDR is used to set the program address for following SCI_WRAM writes/reads.
Use an address offset from the following table to access X, Y, I or peripheral memory.
WRAMADDR
Dest. addr.
Bits/
Description
Start. . . End
Start. . . End
Word
0x1800. . . 0x18XX
0x1800. . . 0x18XX
16
X data RAM
0x5800. . . 0x58XX
0x1800. . . 0x18XX
16
Y data RAM
0x8040. . . 0x84FF
0x0040. . . 0x04FF
32
Instruction RAM
0xC000. . . 0xFFFF
0xC000. . . 0xFFFF
16
I/O
Only user areas in X, Y, and instruction memory are listed above. Other areas can be accessed,
but should not be written to unless otherwise specified.
9.6.9
SCI_HDAT0 and SCI_HDAT1 (R)
For WAV files, SCI_HDAT1 contains 0x7665 (“ve”). SCI_HDAT0 contains the data rate mea-
sured in bytes per second for all supported RIFF WAVE formats: mono and stereo 8-bit or
16-bit PCM, mono and stereo IMA ADPCM. To get the bitrate of the file, multiply the value by 8.
For Ogg Vorbis files, SCI_HDAT1 contains 0x4F67 “Og”. SCI_HDAT0 contains the average
data rate in bytes per second. To get the bitrate of the file, multiply the value by 8.
Version: 1.31, 2017-11-17
39



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