Specifications

VLSI

Solution

VS1053b

VS1053B

12. DOCUMENT VERSION CHANGES

12 Document Version Changes

This chapter describes the most important changes to this document.

Version 1.01 for VS1053b, 2008-05-22

• Added IMA ADPCM patch to Chapter 9.8.1.

Version 1.0 for VS1053b, 2008-05-12

• Production version, removed “PRELIMINARY” tag.

• Update values to tables in Chapter 4.

• Changed minimum temperature back to -30

◦

• Changed maximum SCI Read speed to CLKI/7.

Version 0.5 for VS1053b, 2007-12-03

• Ogg Vorbis recording now documented in Chapter 9.7.

• Added stereo ADPCM recording and an example to Chapter 9.8.

• Added WAV PCM header example to Chapter 9.6.

• Simpliﬁed LQFP-48 Typical Connection Diagram (Chapter 6) by removing one of the images.

Version 0.4 for VS1053b, 2007-09-06

• First published version.

• Completely rewritten Chapter 9.5: Operation / Play and Decode. New designs should be based on

this new version.

• Updated Image 3: Typical Connection Diagram Using LQFP-48.

• Rename SM OUTOFWAV SM CANCEL.

• Many minor changes like typo corrections.

Version 0.3 for VS1053a, 2007-01-16

• I2S pins are now in GPIO4-GPIO7, they no longer overlap with GPIO0 and GPIO1.

• Extra parameter structure updated (version 3), location changed to X:0x1e00.

Version 1.01, 2008-05-22 79