参数资料
型号: MCF53013CQT240
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROPROCESSOR, PQFP208
封装: 28 X 28 MM, ROHS COMPLIANT, LQFP-208
文件页数: 50/62页
文件大小: 2365K
代理商: MCF53013CQT240
MCF5301x Data Sheet, Rev. 5
Preliminary—Subject to Change Without Notice
Preliminary Electrical Characteristics
Freescale Semiconductor
54
Figure 36 and Figure 37 show the filter frequency response for the audio signal for voice decoding. The requirements for the
decoding path at 3.4 kHz are slightly different from the coding path. (All filter frequencies increase by 8.1/8.0 if VCLK is
selected to generate fSYNC = 8.1 kHz).
Figure 36. Voice Signal Frequency Response Requirements at the DAC Path
(VCOHPF=0, LPF Alone Without HPF)
20
30
40 50
70
100
200
300 400 500 700
1000
2000
3000 40005000
8000
-38
-35
-30
-25
-20
-15
-10
-5
0
4
+0.1dB
@ 3.4kHz
+0.5dB @ 3.0kHz
-0.5dB
@ 3.0kHz
-0.8dB
@ 3.4kHz
-14dB
@ 4.0kHz
-35dB
@ 4.6kHz
Hz
dB
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