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LM4970 数据表(PDF) 9 Page - National Semiconductor (TI) |
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LM4970 数据表(HTML) 9 Page - National Semiconductor (TI) |
9 / 15 page Application Information (Continued) TABLE 3. Mode Select Register Data Bit Bit Name Default Value Condition Function MSO I 2C_SD 1 0 Enables device power up mode 1 Enables device shutdown mode MS1 I 2C_RST 0 0 Enables device normal operation 1 Enables device RESET, excluding the I 2C register settings MS2 RAND 1 0 Disables the audio synchronization randomizer 1 Enables the audio synchronization randomizer MS3 RSVD 0 0 RESERVED 1 MS4 RSVD 0 0 RESERVED 1 TABLE 4. Frequency Select Register Data Bit Bit Name Default Value Condition Function FSO PWM_FO 0 0 Programs the oscillation frequency of the PWM. PWM oscillation frequency is set as follows: 1 PWM_F<1:0> PWM Frequency FS1 PWM_F1 0 0 00 15kHz 01 60Hz 1 10 7Hz 11 4Hz FS2 RSVD 0 0 RESERVED 1 FS3 HPF_FO 0 0 Programs the internal high pass filter cutoff frequency. High pass filter cutoff frequency is set as follows: 1 FS4 HPF_F1 1 0 HPF_F<1:0> High Pass Filter Cutoff Frequency 1 00 3.5kHz 01 6.3kHz 10 6.3kHz 11 8.9kHz www.national.com 9 |
类似零件编号 - LM4970 |
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类似说明 - LM4970 |
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