参数资料
型号: CS4205-KQZ
厂商: Cirrus Logic Inc
文件页数: 21/81页
文件大小: 0K
描述: IC CODEC AC97 I2S 48-LQFP
标准包装: 250
类型: 音频编解码器 '97
数据接口: 串行
分辨率(位): 18,20 b
ADC / DAC 数量: 1 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 90 / 90
电压 - 电源,模拟: 4.75 V ~ 5.25 V
电压 - 电源,数字: 4.75 V ~ 5.25 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-TQFP(9x9)
包装: 托盘
产品目录页面: 754 (CN2011-ZH PDF)
其它名称: 598-1182
CS4205
28
DS489PP4
5.3
Mono Volume Register (Index 06h)
Mute
Mono Mute. Setting this bit mutes the MONO_OUT output signal.
MM[5:0]
Mono Volume Control. The MM[5:0] bits control the mono output volume. Each step corre-
sponds to 1.5 dB gain adjustment, with a total available range from 0 dB to -46.5 dB attenu-
ation. Setting the MM5 bit sets the mono attenuation to -46.5 dB by forcing MM[4:0] to a ‘1’
state. MM[5:0] will read back 011111 when MM5 has been ‘set’. See Table 4 on page 27 for
further attenuation levels.
Default
8000h. This value corresponds to 0 dB attenuation and Mute ‘set’.
5.4
Master Tone Control Register (Index 08h)
BA[3:0]
Bass Control. The BA[3:0] bits are used to control the bass gain in the effects engine. Each
step corresponds to 1.5 dB gain adjustment, with a total available range from +10.5 dB to
-10.5 dB gain. See Table 5 for further details. The center frequency from which the gain is
measured defaults to 100 Hz for bass, and may be changed using the LPFS[1:0] bits in the
Signal Processing Engine Control Register (Index 6Eh, Address 08h).
TR[3:0]
Treble Control. The TR[3:0] bits are used to control the treble gain in the effects engine. Each
step corresponds to 1.5 dB gain adjustment, with a total available range from +10.5 dB to
-10.5 dB gain. See Table 5 for further details. The center frequency from which the gain is
measured defaults to 10 kHz for treble, and may be changed using the HPFS[1:0] bits in the
Signal Processing Engine Control Register (Index 6Eh, Address 08h).
Default
0F0Fh. This value corresponds to bypass of bass and treble gain.
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Mute
000000000
MM5
MM4
MM3
MM2
MM1
MM0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0000
BA3
BA2
BA1
BA0
0000
TR3
TR2
TR1
TR0
TR3..TR0
BA3..BA0
Gain
Level
0000
+10.5 dB
0001
+9 dB
...
0110
+1.5 dB
0111
0 dB
1000
-1.5 dB
...
1101
-9 dB
1110
-10.5 dB
1111
bypass
Table 5. Tone Control Values
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