User Manual

VS1003
8 FUNCTIONAL DESCRIPTION
When read, SCI_HDAT0 and SCI_HDAT1 contain header information that is extracted from
MP3 stream currently being decoded. After reset both registers are cleared, indicating no data
has been found yet.
The “sample rate” field in SCI_HDAT0 is interpreted according to the following table:
“sample rate” ID=3 / Hz ID=2 / Hz ID=0,1 / Hz
3 - - -
2 32000 16000 8000
1 48000 24000 12000
0 44100 22050 11025
The “bitrate” field in HDAT0 is read according to the following table:
“bitrate” ID=3 / kbit/s ID=0,1,2 / kbit/s
15 forbidden forbidden
14 320 160
13 256 144
12 224 128
11 192 112
10 160 96
9 128 80
8 112 64
7 96 56
6 80 48
5 64 40
4 56 32
3 48 24
2 40 16
1 32 8
0 - -
8.6.10 SCI_AIADDR (RW)
SCI_AIADDR indicates the start address of the application code written earlier with SCI_WRAMADDR
and SCI_WRAM registers. If no application code is used, this register should not be initialized,
or it should be initialized to zero. For more details, see Application Notes for VS10XX.
Version: 1.08, 2014-12-19 35