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TAS5548DCAR bảng dữ liệu(PDF) 70 Page - Texas Instruments |
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TAS5548DCAR bảng dữ liệu(HTML) 70 Page - Texas Instruments |
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70 / 116 page ![]() TAS5548 SLES270A – NOVEMBER 2012 – REVISED APRIL 2015 www.ti.com 7.6.2.20 Input Mixer Registers, Channels 1–8 (0x41–0x48) Input mixers 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into registers 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, and 0x48, respectively. Each gain coefficient is in 28-bit (5.23) format, so 0x80 0000 is a gain of 1. Each gain coefficient is written as a 32-bit word with the upper four bits reserved. For eight gain coefficients, the total is 32 bytes. There is no negative value available. The mixer cannot phase invert. Bold indicates the one channel that is passed through the mixer. Table 37. Channel 1–8 Input Mixer Register Format REGISTER I2C TOTAL DESCRIPTION OF CONTENTS DEFAULT STATE SUBADDRESS BYTES FIELDS A_to_ipmix[1] SDIN1-left (Ch1) A to input mixer 1 coefficient (default = 1) 0080 0000 B_to_ipmix[1] SDIN1-right (Ch2) B to input mixer 1 coefficient (default = 0) 0000 0000 C_to_ipmix[1] SDIN2-left (Ch3) C to input mixer 1 coefficient (default = 0) 0000 0000 D_to_ipmix[1] SDIN2-right (Ch4) D to input mixer 1 coefficient (default = 0) 0000 0000 0x41 32 E_to_ipmix[1] SDIN3-left (Ch5) E to input mixer 1 coefficient (default = 0) 0000 0000 F_to_ipmix[1] SDIN3-right (Ch6) F to input mixer 1 coefficient (default = 0) 0000 0000 G_to_ipmix[1] SDIN4-left (Ch7) G to input mixer 1 coefficient (default = 0) 0000 0000 H_to_ipmix[1] SDIN4-right (Ch8) H to input mixer 1 coefficient (default = 0) 0000 0000 A_to_ipmix[2] SDIN1-left (Ch1) A to input mixer 2 coefficient (default = 0) 0000 0000 B_to_ipmix[2] SDIN1-right (Ch2) B to input mixer 2 coefficient (default = 1) 0080 0000 C_to_ipmix[2] SDIN2-left (Ch3) C to input mixer 2 coefficient (default = 0) 0000 0000 D_to_ipmix[2] SDIN2-right (Ch4) D to input mixer 2 coefficient (default = 0) 0000 0000 0x42 32 E_to_ipmix[2] SDIN3-left (Ch5) E to input mixer 2 coefficient (default = 0) 0000 0000 F_to_ipmix[2] SDIN3-right (Ch6) F to input mixer 2 coefficient (default = 0) 0000 0000 G_to_ipmix[2] SDIN4-left (Ch7) G to input mixer 2 coefficient (default = 0) 0000 0000 H_to_ipmix[2] SDIN4-right (Ch8) H to input mixer 2 coefficient (default = 0) 0000 0000 A_to_ipmix[3] SDIN1-left (Ch1) A to input mixer 3 coefficient (default = 0) 0000 0000 B_to_ipmix[3] SDIN1-right (Ch2) B to input mixer 3 coefficient (default = 0) 0000 0000 C_to_ipmix[3] SDIN2-left (Ch3) C to input mixer 3 coefficient (default = 1) 0080 0000 D_to_ipmix[3] SDIN2-right (Ch4) D to input mixer 3 coefficient (default = 0) 0000 0000 0x43 32 E_to_ipmix[3] SDIN3-left (Ch5) E to input mixer 3 coefficient (default = 0) 0000 0000 F_to_ipmix[3] SDIN3-right (Ch6) F to input mixer 3 coefficient (default = 0) 0000 0000 G_to_ipmix[3] SDIN4-left (Ch7) G to input mixer 3 coefficient (default = 0) 0000 0000 H_to_ipmix[3] SDIN4-right (Ch8) H to input mixer 3 coefficient (default = 0) 0000 0000 A_to_ipmix[4] SDIN1-left (Ch1) A to input mixer 4 coefficient (default = 0) 0000 0000 B_to_ipmix[4] SDIN1-right (Ch2) B to input mixer 4 coefficient (default = 0) 0000 0000 C_to_ipmix[4] SDIN2-left (Ch3) C to input mixer 4 coefficient (default = 0) 0000 0000 D_to_ipmix[4] SDIN2-right (Ch4) D to input mixer 4 coefficient (default = 1) 0080 0000 0x44 32 E_to_ipmix[4] SDIN3-left (Ch5) E to input mixer 4 coefficient (default = 0) 0000 0000 F_to_ipmix[4] SDIN3-right (Ch6) F to input mixer 4 coefficient (default = 0) 0000 0000 G_to_ipmix[4] SDIN4-left (Ch7) G to input mixer 4 coefficient (default = 0) 0000 0000 H_to_ipmix[4] SDIN4-right (Ch8) H to input mixer 4 coefficient (default = 0) 0000 0000 70 Submit Documentation Feedback Copyright © 2012–2015, Texas Instruments Incorporated Product Folder Links: TAS5548 |
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