參數資料
型號： TAS5508BPAGRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝： GREEN, PLASTIC, TQFP-64
文件頁數： 81/103頁
文件大?。?/td> 1198K
代理商： TAS5508BPAGRG4
7.13 Input Mixer Registers, Channels 1–8 (0x41–0x48)
TAS5508B
8-Channel Digital Audio PWM Processor
www.ti.com
SLES162C – DECEMBER 2005 – REVISED JULY 2009
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 not used. For eight gain coefficients, the total is 32 bytes.
Bold indicates the one channel that is passed through the mixer.
Table 7-13. Channel 1–8 Input Mixer Register Format
I2C
TOTAL
REGISTER
DESCRIPTION OF CONTENTS
DEFAULT STATE
SUBADDRESS
BYTES
FIELDS
SDIN1-left (Ch1) A to input mixer 1 coefficient (default = 1)
0x00, 0x80, 0x00, 0x00
A_to_ipmix[1]
u[31:28], A_1[27:24], A_1[23:16], A_1[15:8], A_1[7:0]
SDIN1-right (Ch2) B to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
B_to_ipmix[1]
u[31:28], B_1[27:24], B_1[23:16], B_1[15:8], B_1[7:0]
SDIN2-left (Ch3) C to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
C_to_ipmix[1]
u[31:28], C_1[27:24], C_1[23:16], C_1[15:8], C_1[7:0]
SDIN2-right (Ch4) D to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
D_to_ipmix[1]
u[31:28], D_1[27:24], D_1[23:16], D_1[15:8], D_1[7:0]
0x41
32
SDIN3-left (Ch5) E to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
E_to_ipmix[1]
u[31:28], E_1[27:24], E_1[23:16], E_1[15:8], E_1[7:0]
SDIN3-right (Ch6) F to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
F_to_ipmix[1]
u[31:28], F_1[27:24], F_1[23:16], F_1[15:8], F_1[7:0]
SDIN4-left (Ch7) G to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
G_to_ipmix[1]
u[31:28], G_1[27:24], G_1[23:16], G_1[15:8], G_1[7:0]
SDIN4-right (Ch8) H to input mixer 1 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
H_to_ipmix[1]
u[31:28], H_1[27:24], H_1[23:16], H_1[15:8], H_1[7:0]
SDIN1-left (Ch1) A to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
A_to_ipmix[2]
u[31:28], A_2[27:24], A_2[23:16], A_2[15:8], A_2[7:0]
SDIN1-right (Ch2) B to input mixer 2 coefficient (default = 1)
0x00, 0x80, 0x00, 0x00
B_to_ipmix[2]
u[31:28], B_2[27:24], B_2[23:16], B_2[15:8], B_2[7:0]
SDIN2-left (Ch3) C to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
C_to_ipmix[2]
u[31:28], C_2[27:24], C_2[23:16], C_2[15:8], C_2[7:0]
SDIN2-right (Ch4) D to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
D_to_ipmix[2]
u[31:28], D_2[27:24], D_2[23:16], D_2[15:8], D_2[7:0]
0x42
32
SDIN3-left (Ch5) E to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
E_to_ipmix[2]
u[31:28], E_2[27:24], E_2[23:16], E_2[15:8], E_2[7:0]
SDIN3-right (Ch6) F to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
F_to_ipmix[2]
u[31:28], F_2[27:24], F_2[23:16], F_2[15:8], F_2[7:0]
SDIN4-left (Ch7) G to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
G_to_ipmix[2]
u[31:28], G_2[27:24], G_2[23:16], G_2[15:8], G_2[7:0]
SDIN4-right (Ch8) H to input mixer 2 coefficient (default = 0)
0x00, 0x00, 0x00, 0x00
H_to_ipmix[2]
u[31:28], H_2[27:24], H_2[23:16], H_2[15:8], H_2[7:0]
Serial-Control Interface Register Definitions
79
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