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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TAS2781RYYR датащи(PDF) 72 Page - Texas Instruments |
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TAS2781RYYR датащи(HTML) 72 Page - Texas Instruments |
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72 / 90 page  10 Initialization Set Up 10.1 Initial Device Configuration - Power Up and Software Reset The following I2C sequence needs to be used: • At power up, when SDZ = 1 (out of Hardware Shutdown into Software Shutdown); • when device is in Software Shutdown or Active mode and user runs a Software Reset command: bit[0] of register 0x01 = 1. ###### Pre-Reset Configuration w 70 00 01 #Page 0x01 w 70 37 3A #Bypass w 70 00 FD #Page 0xFD w 70 0D 0D #Access page w 70 06 C1 #Set Dmin w 70 00 01 #Page 0x01 w 70 19 E0 #Force modulation w 70 00 FD #Page 0xFD w 70 0D 0D #Access page w 70 06 D5 #Set Dmin ###### Software Reset w 70 00 00 #Page 0x00 w 70 7F 00 #Book 0x00 w 70 01 01 #Software Reset d 01 #1 ms Delay ###### Post-Reset Configuration w 70 00 01 #Page 0x01 w 70 37 3A #Bypass w 70 00 FD #Page 0xFD w 70 0D 0D #Access page w 70 06 C1 #Set Dmin w 70 06 D5 #Set Dmin 10.2 Initial Device Configuration - PWR_MODE0 The following I2C sequence is an example of initializing the device in PWR_MODE0. w 70 00 00 #Page 0x00 w 70 0E C4 #TDM TX vsns transmit enable with slot 4 w 70 0F 40 #TDM TX isns transmit enable with slot 0 w 70 00 01 #Page 0x01 w 70 17 C8 #SARBurstMask=0 w 70 19 20 #LSR Mode w 70 35 74 #DC noise minimized w 70 00 FD #Page 0xFD w 70 0D 0D #Access Page w 70 3E 4A #Optimal Dmin w 70 0D 00 #Remove access w 70 00 04 #Page 0x04 w 70 30 00 00 00 01 #Merge Limiter and Thermal Foldback gains w 70 00 08 #Page 0x08 w 70 18 00 00 00 00 #0dB volume w 70 28 40 00 00 00 #Unmute w 70 00 0A #Page 0x0A w 70 48 00 00 00 00 #0dB volume w 70 58 40 00 00 00 #Unmute w 70 00 00 #Page 0x00 w 70 03 A8 #PWR_MODE0 selected w 70 71 03 #PVDDH UVLO set to 2.76V w 70 02 80 #Play audio, power up with playback, IV enabled TAS2781 SLOSE86B – JULY 2022 – REVISED JULY 2023 www.ti.com 72 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: TAS2781 |
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