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MSP3440G 参数 Datasheet PDF下载

MSP3440G图片预览
型号: MSP3440G
PDF下载: 下载PDF文件 查看货源
内容描述: 多标准音频处理器系列 [Multistandard Sound Processor Family]
分类和应用:
文件页数/大小: 106 页 / 1906 K
品牌: MICRONAS [ MICRONAS ]
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MSP 34x0G  
DATA SHEET  
Table 3–11: Write Registers on I2C Subaddress 12hex, continued  
Register  
Address  
Function  
Name  
00 20hex  
Tone Control Mode Loudspeaker Channel  
TONE_MODE  
bit[15:8] 00hex  
FFhex  
bass and treble is active  
equalizer is active  
Defines whether Bass/Treble or Equalizer is activated for the loudspeaker chan-  
nel. Bass and Equalizer cannot work simultaneously. If Equalizer is used, Bass,  
and Treble coefficients must be set to zero and vice versa.  
00 02hex  
00 31hex  
Bass Loudspeaker Channel  
Bass Headphone Channel  
BASS_MAIN  
BASS_AUX  
bit[15:8] extended range  
7Fhex  
78hex  
70hex  
68hex  
+20 dB  
+18 dB  
+16 dB  
+14 dB  
normal range  
60hex  
58hex  
...  
+12 dB  
+11 dB  
08hex  
00hex  
F8hex  
...  
+1 dB  
0 dB  
1 dB  
A8hex  
A0hex  
11 dB  
12 dB  
Higher resolution is possible: an LSB step in the normal range results in a gain  
step of about 1/8 dB, in the extended range about 1/4 dB.  
With positive bass settings, internal clipping may occur even with overall volume  
less than 0 dB. This will lead to a clipped output signal. Therefore, it is not rec-  
ommended to set bass to a value that, in conjunction with volume, would result  
in an overall positive gain.  
34  
May 27, 2003; 6251-476-1DS  
Micronas  
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