參數(shù)資料
型號(hào): SAA2501
廠商: NXP Semiconductors N.V.
英文描述: Digital Audio Broadcast DAB decoder
中文描述: 數(shù)字音頻廣播民建聯(lián)的解碼器
文件頁數(shù): 21/52頁
文件大小: 206K
代理商: SAA2501
January 1995
21
Philips Semiconductors
Preliminary specification
Digital Audio Broadcast (DAB) decoder
SAA2501
pair. Signal FDEF being HIGH indicates muting of FDAO
due to input data errors (see Fig.13).
FDEF can only change value at each FDFSY leading
edge, i.e. after each 384 sample periods (ISO/MPEG
layer I input data) or 1152 sample periods (ISO/MPEG
layer II input data): only whole frames are marked to be
correct or muted. As shown in detail in Fig.13, transitions
of FDFSY and FDEF take place one SCK period before a
trailing edge of WS.
The optionally processed sub-band data FDAI must be
synchronous to SCK and WS. Furthermore, the sub-band
index of the FDAI samples must be synchronized to
FDFSY: a sub-band logic 0 sample pair must be input
when FDFSY is HIGH (as shown in Fig.12). This means
that the delay of the external processing is allowed to be
any integer multiple of 32 sample periods. If no external
processing is to be applied, FDAO must be input back
directly to FDAI.
7.19
The baseband output interface
The decoded baseband audio data is output in an I
2
S-like
format (see Fig.14).
The output interfacing consists of 3 signals (see Table 11).
Fig.13 Filter data error flag (FDEF) timing.
handbook, full pagewidth
WS
FDFSY
FDEF
SCK
WS
FDFSY
FDEF
SCK
WS
FDFSY
FDEF
1
2
3
4
MLC401
384 (layer I)
1152 (layer II)
1
2
相關(guān)PDF資料
PDF描述
SAA2501H Digital Audio Broadcast DAB decoder
SAA2502 ISO/MPEG Audio Source Decoder
SAA2502H ISO/MPEG Audio Source Decoder
SAA2503 MPEG2 audio decoder(MPEG2 音頻譯碼器)
SAA2503HT MPEG2 audio decoder
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA2501H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital Audio Broadcast DAB decoder
SAA2501HB-S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Audio Decoder & Support
SAA2502 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ISO/MPEG Audio Source Decoder
SAA2502H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:ISO/MPEG Audio Source Decoder
SAA2503 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG2 audio decoder