VS1001 - MP3 dekoder

Snail Instruments snail
Středa Březen 17 12:09:04 CET 2004


Jednal jsem s VLSI (www.vlsi.fi) o nakupu MP3 dekoderu VS1001. Dostal jsem nabidku na starsi verzi H, mohl bych ji nabizet po 580Kc (+DPH). Byl by o tuto verzi zajem? Co by mohlo byt na prekazku jejimu pouziti?

Tohle jsou odlisnosti mezi verzemi H a K, je to v datasheetu na strane 42:

Changes Between VS1001h and VS1001k
1) Running with normal clock earlier required slightly different clock 
   generation than for clock-doubled (see Chapters 4 and 5). This is no 
   longer the case.
2) Lots of new SPI register MODE bits: SM DIFF, SM FFWD, SM MP12, SM DAC, 
   SM DMONO, SM BASS. For details, see Chapter 7.5.1.
3) Default is now to only decode MP3. MP1 and MP2 decoding can be activated 
   by setting SM MP12 in SPI register MODE. For details, see Chapter 7.5.1.
4) 20..60 mV DAC offset corrected.
5) A firmware bug made it impossible to decode 320 kbits/s MP3 data. This 
   has been corrected.
6) A Hardware bug made it practically impossible to load code to RAM. This 
   has been corrected.

Kdo by chtel soucasnou verzi K, muze si objednat kusovku primo u VLSI ($25 vcetne postovneho, berou i CC, je to treba pripsat pri objednani do comments).

J. Hanzal







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