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ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Custom audio Digital audio interfacing I²C, I²S HTSSOP 56
111112113114115116117118119120
TAS5548
SLES270 –NOVEMBER 2012
www.ti.com
negative values 08xx xxxx will invert the signal amplitude
Table 11-66. THD Manager Configuration
I
2
C TOTAL REGISTER DEFAULT
DESCRIPTION OF CONTENTS
SUBADDRESS BYTES Fields STATE
0xE9 4 prescale THD Manager (pre) - provide boost if desired to clip 0080 0000
0xEA 4 postscale THD Manager (post) - cut clipping signal to final level 0080 0000
11.46 SDIN5 Input Mixer (0xEC–0xF3)
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 not used. For eight gain coefficients, the total is 32 bytes.
Table 11-67. SDIN5 Input Mixers
I
2
C TOTAL REGISTER DEFAULT
DESCRIPTION OF CONTENTS
SUBADDRESS BYTES Fields STATE
0xEC 8 I_to_ipmix[1] SDIN5-left (Ch9) I to input mixer 1 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[1] SDIN5-right (Ch10) J to input mixer 1 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xED 8 I_to_ipmix[2] SDIN5-left (Ch9) I to input mixer 2 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[2] SDIN5-right (Ch10) J to input mixer 2 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xEE 8 I_to_ipmix[3] SDIN5-left (Ch9) I to input mixer 3 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[3] SDIN5-right (Ch10) J to input mixer 3 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xEF 8 I_to_ipmix[4] SDIN5-left (Ch9) I to input mixer 4 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[4] SDIN5-right (Ch10) J to input mixer 4 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xF0 8 I_to_ipmix[5] SDIN5-left (Ch9) I to input mixer 5 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[5] SDIN5-right (Ch10) J to input mixer 5 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xF1 8 I_to_ipmix[6] SDIN5-left (Ch9) I to input mixer 6 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[6] SDIN5-right (Ch10) J to input mixer 6 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xF2 8 I_to_ipmix[7] SDIN5-left (Ch9) I to input mixer 7 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[7] SDIN5-right (Ch10) J to input mixer 7 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
0xF3 8 I_to_ipmix[8] SDIN5-left (Ch9) I to input mixer 8 coefficient (default = 0) 0000 0000
u[31:28],L[27:0]
J_to_ipmix[8] SDIN5-right (Ch10) J to input mixer 8 coefficient (default = 0) 0000 0000
u[31:28],R[27:0]
112 Serial-Control Interface Register Definitions Copyright © 2012, Texas Instruments Incorporated
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