PT8401 Datasheet, PDF (19/28 Pages) Princeton Technology Corp – MP3 Audio Decoder

Princeton Technology Corp.
MP3 Audio Decoder
Tel : [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT8401
STATUS REGISTER COMMANDS
Address Register Name
0x00 Frame Count
0x01 MPEG Header
Info1
0x02 MPEG Header
Info2
Description
Default R/
W
Increase one every frame, but if the following condition happen, it clear to 0. 0x0 R
1.enter stop command , 2.crc check error. 3.bitstream error.
Bit Item
Description
0x0 R
4..15
Reserved
3 ID
1:MPEG1 0:MPEG2
1:2 Layer
11 : Layer I
10 : Layer II
01 : Layer III
00 : reserved
0 Protection
0 : protected by CRC, 1 : don’t
Bit Item
Description
0x0 R
12..15 Bit Rate
mpeg1 mpeg1 mpeg1 mpeg2 mpeg2
Index(kbps)
layer I Layer II layer III Layer I Layer II
Layer III
PT8401 v 1.3
Page 19
Updated March 2002