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MAS3549F 参数 Datasheet PDF下载

MAS3549F图片预览
型号: MAS3549F
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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MAS 35x9F  
DATA SHEET  
Table 4–7: Allowed transmission delays of external data source MPEG1/2 Layer 2/3  
Limit Values  
Symbol  
Parameter  
Pin Name  
Unit  
Test Conditions  
Min.  
Typ.  
Max.  
tSTART48-320 Allowed delay time before  
start of serial data  
EOD  
3.1  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
ms  
48 kHz/s, 320 kbit/s  
48 kHz/s, 64 kbit/s  
24 kHz/s, 320 kbit/s  
24 kHz/s, 32 kbit/s  
12 kHz/s, 64 kbit/s  
12 kHz/s, 16 kbit/s  
8 kHz/s, 64 kbit/s  
8 kHz/s, 8 kbit/s  
tSTART48-64  
tSTART24-320  
tSTART24-32  
tSTART12-64  
tSTART12-16  
tSTART8-64  
tSTART8-8  
5.7  
transmission after assertion  
of signal at EOD  
4.2  
9.2  
23.1  
25.6  
34.8  
38.4  
1.3  
tSTOP  
Allowed delay time before  
stop of serial data  
Clock rate of input data  
1 Mbit/s  
EOD  
transmission after  
deassertion of signal at EOD  
T
SICLK  
H
SI(B)C  
L
H
SI(B)I  
L
T
T
T
SIIS  
SIIH  
H
SI(B)D  
L
T
SIDH  
SIDS  
2
Fig. 4–22: Serial input of I S signal  
4.6.2.3. Serial Output Interface Characteristics (SDO)  
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.  
tSOCLK  
tSOISS  
tSOODC  
I2S clock output frequency  
SOC  
325  
ns  
ns  
ns  
fS = 48 kHz Stereo  
32 bits per sample  
I2S word strobe delay time  
after falling edge of clock  
SOC,  
SOI  
0
0
I2S data delay time after  
falling edge of clock  
SOC,  
SOD  
74  
June 30, 2004; 6251-505-1DS  
Micronas  
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