您好,
我正在使用TLV320DAC3120输出具有以下配置的音频: (工作正常)
//{Register,value} {0x00,0x00}, {0x01,0x01}, {0x04,0x03}, {0x05,0x91}, {0x1B,0x80}, {0x06,0x08}, {0x07,0x00}, {0x08,0x00}, {0x0B,0x82}, {0x0C,0x88}, {0x0D,0x00}, {0x0E,0x80}, {0x12,0x82}, {0x13,0x88}, {0x14,0x80}, {0x00,0x00}, {0x3C,0x05}, {0x3D,0x05}, {0x00,0x08}, {0x01,0x04}, {0x00,0x01}, {0x1F,0x14}, {0x2A,0x04}, {0x2A,0x0C}, {0x2A,0x14}, {0x2A,0x1C}, {0x20,0x86}, {0x26,0x80}, {0x00,0x01}, {0x21,0x4E}, {0x24,0x80}, {0x1F,0x84}, {0x28,0x06}, {0x00,0x01}, {0x23,0x40}, {0x00,0x00}, {0x3F,0x96}, {0x40,0x04}, {0x41,0x00}
我正在尝试启用mini-DSP并配置一个可变低通滤波器,我应该通过I2C使用滑块来控制该滤波器(从2kHz到20Khz)。
要使用特定的FC值低通滤波器(例如15kHz),我需要使用什么配置(或寄存器)?
配置后,如何通过I2C (哪个寄存器)仅更改低通滤波器的FC?
非常感谢,
EE学生