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数据搜索系统，热门电子元器件搜索 |
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STA015B 数据表(PDF) 27 Page - STMicroelectronics |
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STA015B 数据表(HTML) 27 Page - STMicroelectronics |
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27 / 55 page  27/55 STA015 STA015B STA015T DLB Address: 0x47 (71) Type: R/W Software Reset: 0xFF Hardware Reset: 0xFF DLB register is used to re-direct the Left Channel on the Right, or to mix both the Channels. Default value is 0x00, corresponding at the maximum attenuation in the re-direction channel. DRA Address: 0x48 (72) Type: R/W Software Reset: 0X00 Hardware Reset: 0X00 DRA register is used to attenuate the level of audio output at the Right Channel using the butterfly shown in Fig. 11. When the register is set to255 (0xFF), the maximum attenuation is achieved. A decimal unit correspond to an attenuation stepof 1 dB. MSB LSB b7 b6 b5 b4 b3 b2 b1 b0 Description DLB7 DLB6 DLB5 DLB4 DLB3 DLB2 DLB1 DLB0 OUTPUT ATTENUATION 00 000 000 NO ATTENUATION 00 000 001 -1dB 00 000 010 -2dB :: ::: ::: : 01 100 000 -96dB MSB LSB b7 b6 b5 b4 b3 b2 b1 b0 Description DRA7 DRA6 DRA5 DRA4 DRA3 DRA2 DRA1 DRA0 OUTPUT ATTENUATION 0 0 0 0 0 0 0 0 NO ATTENUATION 0 000 0 0 0 1 -1dB 0 000 0 0 1 0 -2dB : :::: : : : : 0 110 0 0 0 0 -96dB |
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