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MAS3529F 参数 Datasheet PDF下载

MAS3529F图片预览
型号: MAS3529F
PDF下载: 下载PDF文件 查看货源
内容描述: MAS 35x9F MPEG 2/3层, AAC音频解码器, G.729附录编解码器 [MAS 35x9F MPEG Layer 2/3, AAC Audio Decoder, G.729 Annex A Codec]
分类和应用: 解码器编解码器
文件页数/大小: 92 页 / 1187 K
品牌: MICRONAS [ MICRONAS ]
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DATA SHEET  
MAS 35x9F  
2
4.6.2.2. Serial (I S) Input Interface Characteristics (SDI, SDIB)  
at T = T , V  
, V  
= 2.2 ... 3.6 V, f  
= 18.432 MHz, Typ. values for T = 25 °C in P(L/M)QFP package  
CRYSTAL A  
A
SUPD SUPA  
Limit Values  
Symbol  
Parameter  
Pin Name  
Unit  
Test Conditions  
Min.  
Typ.  
Max.  
tSICLK  
I2S clock input clock period  
SI(B)C  
325  
ns  
fS = 48 kHz Stereo,  
32 bits per sample  
(for demand mode see  
Table 4–6)  
tSIDS  
I2S data setup time before  
rising edge of clock (for  
continuous data stream:  
falling edge)  
SI(B)C,  
SI(B)D  
50  
ns  
tSIDH  
tSIIS  
I2S data hold time  
SI(B)D  
50  
50  
ns  
ns  
I2S ident setup time before  
rising edge of clock (for  
continuous data stream:  
falling edge)  
SI(B)C,  
SI(B)I  
tSIIH  
tbw  
I2S ident hold time  
Burst wait time  
SI(B)I  
50  
ns  
SI(B)C, SI(B)D 480  
Table 4–6: Maximum allowed sample clock frequency in Demand Mode  
f
(kHz)  
f (MHz)  
min. t  
162  
(ns)  
SICLK  
Sample  
C
48, 32  
44.1  
6.144  
5.6448  
3.072  
177  
24, 16  
22.05  
12, 8  
325  
2.8224  
1.536  
354  
651  
11.025  
1.4112  
708  
T
SICLK  
H
SI(B)C  
SI(B)I  
L
H
L
H
L
SI(B)D  
T
T
SIDH  
SIDS  
Fig. 4–21: Continuous data stream at serial input A or B. In this mode, the word strobe SI(B)I is not used and the  
data are read at the falling edge of the clock (bit[2] in D0:346 is set).  
Micronas  
June 30, 2004; 6251-505-1DS  
73