参数资料
型号: WLA49VVA
厂商: National Semiconductor Corporation
元件分类: ADC
英文描述: Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC
中文描述: 音频子系统的双模单声道立体声耳机和扬声器放大器的高效率和多功能模数转换器
文件页数: 28/112页
文件大小: 5017K
代理商: WLA49VVA
12.0 Status & Control Registers (Continued)
12.2 CLOCKS CONFIGURATION REGISTER
This register is used to control the clocks throughout the chip.
TABLE 3. CLOCKS (0x01h)
Bits
Field
Description
0
DAC_CLK
Selects the clock to be used by the audio DAC system.
DAC_CLK
DAC Input Source
0
PLL Input (MCLK or I2S_CLK)
1
PLL Output
1
ADC_CLK
Selects the clock to be used by the audio ADC system.
ADC_CLK
Audio ADC Input Source
0
MCLK
1
PLL Output
7:2
R_DIV
Programs the R divider (divides from an expected 12.000 MHz input).
R_DIV
Divide Value
0
Bypass
1
Bypass
2
1.5
32
4
2.5
53
6
3.5
74
8
4.5
95
10
5.5
11
6
12
6.5
13 to 61
7 to 31
62
31.5
63
32
LM4935
www.national.com
22
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