# Software Reset ############################################### # # Select Page 0 w 30 00 00 # # Initialize the device through software reset w 30 01 01 # ############################################### # Clock Settings # --------------------------------------------- # The codec receives: BCLK = 2.048 MHz, # , WCLK = 8kHz ############################################### # # Select Page 0 w 30 00 00 w 30 05 23 w 30 04 04 w 30 04 07 w 30 05 A3 w 30 0B 86 w 30 0C 82 w 30 12 86 w 30 13 82 w 30 1C 01 w 30 1B 40 #20141209 Add PLL setting for clock #20141209 PCM=DSP mode, shift 1 bit #20141209 NDAC = 6, MDAC = 2,DOSR/AOSR=128 ############################################### # Signal Processing Settings ############################################### # # Select Page 0 w 30 00 00 # # Set the ADC Mode to PRB_P1 w 30 3d 01 # ############################################### # Initialize Codec ############################################### # # Select Page 1 w 30 00 01 # # Disable weak AVDD in presence of external # AVDD supply w 30 01 08 # # Enable internal LDO w 30 02 01 # # Select ADC PTM_R4 w 30 3d 00 # # Set the input powerup time to 3.1ms (for ADC) w 30 47 32 # # Set the REF charging time to 40ms w 30 7b 01 # ############################################### ############################################### # Recording Setup ############################################### # # Select Page 1 w 30 00 01 # w 30 33 60 # Route IN1L to LEFT_P with 20K input impedance # Route IN1R to RIGHT_P with 20K input impedance_0704 w 30 34 82 # # Route Common Mode to LEFT_M with impedance of 20K w 30 36 80 # # Route IN1R to RIGHT_P with input impedance of 20K w 30 37 80 # # Route Common Mode to RIGHT_M with impedance of 20K w 30 39 80 # # Unmute Left MICPGA, Gain selection of 6dB to make channel gain 0dB # Register of 42dB with input impedance of 20K => Channel Gain of 0dB w 30 3b 54 # # Unmute Right MICPGA, Gain selection of 6dB to make channel gain 0dB # Register of 42dB with input impedance of 20K => Channel Gain of 0dB w 30 3c 54 # # Select Page 0 w 30 00 00 # # Power up LADC/RADC w 30 51 c0 # # Unmute LADC/RADC w 30 52 00 # 20121127 Add ADC volume control to 12dB # 20121128 Change ADC volume to 20dB w 30 53 28 w 30 54 28 #20130110 Add AGC Gain setting Target gain= -5.5dB,Noise Threshold= -90dB,MAx gain=42dB w 30 56 80 w 30 57 3E w 30 58 42 #20150306 change AGC max gain from 42dB to 33dB w 30 5E 80 w 30 5F 3E w 30 60 54 ############################################### # High Performance Stereo Playback # --------------------------------------------- # PowerTune mode PTM_P3 is used for high # performance 16-bit audio. For PTM_P4, # an external audio interface that provides # 20-bit audio is required. # # For normal USB Audio, no hardware change # is required. # # If using an external interface, SW2.4 and # SW2.5 of the USB-ModEVM must be set to # HI and clocks can be connected to J14 of # the USB-ModEVM. # # Audio is routed to both headphone and # line outputs. # Signal Processing Settings ############################################### # # Select Page 0 w 30 00 00 # # Set the DAC Mode to PRB_P8 w 30 3c 08 # ############################################### # Playback Setup ############################################### # # Select Page 1 w 30 00 01 # # De-pop w 30 14 25 # # Route LDAC/RDAC to HPL/HPR w 30 0c 08 08 # # Route LDAC/RDAC to LOL/LOR w 30 0e 08 08 # # Power up HPL/HPR and LOL/LOR drivers w 30 09 3C # # Unmute HPL/HPR driver w 30 10 10 #20150306 Add Gain to 16dB Analog volume w 30 11 10 #20150306 Add Gain to 16dB Analog volume # # Unmute LOL/LOR driver, 0dB Gain w 30 12 00 w 30 13 00 # # Select Page 0 w 30 00 00 # # DAC => DAC to 0dB w 30 41 00 #20150306 Add DAC gain to 0dB Digital volume w 30 42 00 #20150306 Add DAC gain to 0dB Digital volume # # Power up LDAC/RDAC w 30 3f d6 # # Unmute LDAC/RDAC w 30 40 00