參數(shù)資料
型號(hào): TAS5518CPAGR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: GREEN, PLASTIC, TQFP-64
文件頁數(shù): 87/103頁
文件大?。?/td> 2007K
代理商: TAS5518CPAGR
7.17 Bass and Treble Bypass Register, Channels 1–8 (0x89–0x90)
7.18 Loudness Registers (0x91–0x95)
TAS5518C
8-Channel Digital Audio PWM Processor
SLES238A – SEPTEMBER 2008 – REVISED JULY 2009
www.ti.com
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.
Table 7-17. Contents of One 20-Byte Biquad Filter Register (Default = All-Pass)
DEFAULT GAIN COEFFICIENT VALUES
DESCRIPTION
REGISTER FIELD CONTENTS
DECIMAL
HEX
b0 coefficient
u[31:28], b0[27:24], b0[23:16], b0[15:8], b0[7:0]
1.0
0x00, 0x80, 0x00, 0x00
b1 coefficient
u[31:28], b1[27:24], b1[23:16], b1[15:8], b1[7:0]
0.0
0x00, 0x00, 0x00, 0x00
b2 coefficient
u[31:28], b2[27:24], b2[23:16], b2[15:8], b2[7:0]
0.0
0x00, 0x00, 0x00, 0x00
a1 coefficient
u[31:28], a1[27:24], a1[23:16], a1[15:8], a1[7:0]
0.0
0x00, 0x00, 0x00, 0x00
a2 coefficient
u[31:28], a2[27:24], a2[23:16], a2[15:8], a2[7:0]
0.0
0x00, 0x00, 0x00, 0x00
Channels 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into registers 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F,
and 0x90, respectively. Eight bytes are written for each channel. 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.
Table 7-18. Channel 1–8 Bass and Treble Bypass Register Format
REGISTER
TOTAL
CONTENTS
DEFAULT VALUE
NAME
BYTES
Channel bass and
u[31:28], bypass[27:24], bypass[23:16], bypass[15:8], bypass[7:0]
0x00, 0x80, 0x00, 0x00
treble bypass
8
Channel bass and
u[31:28], inline[27:24], inline[23:16], inline[15:8], inline[7:0]
0x00, 0x00, 0x00, 0x00
treble inline
Table 7-19. Loudness Register Format
I2C SUB-
TOTAL
REGISTER NAME
DESCRIPTION OF CONTENTS
DEFAULT STATE
ADDRESS BYTES
0x91
4
Loudness Log2 gain (LG)
u[31:28], LG[27:24], LG[23:16], LG[15:8], LG[7:0]
0xFF, 0xC0, 0x00, 0x00
Loudness Log2 offset (LO)
u[31:24], u[23:16], LO[15:8], LO[7:0]
0x00, 0x00, 0x00, 0x00
0x92
8
Loudness Log2 offset (LO)
LO[31:24], LO[23:16], LO[15:8], LO[7:0]
0x00, 0x00, 0x00, 0x00
0x93
4
Loudness gain (G)
u[31:28], G[27:24], G[23:16], G[15:8], G[7:0]
0x00, 0x00, 0x00, 0x00
Loudness offset upper
u[31:24], u[23:16], O[15:8], O[7:0]
0x00, 0x00, 0x00, 0x00
16 bits (O)
0x94
8
Loudness offset lower
O[31:24], O[23:16], O[15:8], O[7:0]
0x00, 0x00, 0x00, 0x00
32 bits (O)
Loudness biquad (b0)
u[31:28], b0[27:24], b0[23:16], b0[15:8], b0[7:0]
0x00, 0x00, 0xD5, 0x13
Loudness biquad (b1)
u[31:28], b1[27:24], b1[23:16], b1[15:8], b1[7:0]
0x00, 0x00, 0x00, 0x00
0x95
20
Loudness biquad (b2)
u[31:28], b2[27:24], b2[23:16], b2[15:8], b2[7:0]
0x0F, 0xFF, 0x2A, 0xED
Loudness biquad (a1)
u[31:28], a1[27:24], a1[23:16], a1[15:8], a1[7:0]
0x00, 0xFE, 0x50, 0x45
Loudness biquad (a2)
u[31:28], a2[27:24], a2[23:16], a2[15:8], a2[7:0]
0x0F, 0x81, 0xAA, 0x27
Serial-Control Interface Register Definitions
84
相關(guān)PDF資料
PDF描述
TAS5518CPAG SPECIALTY CONSUMER CIRCUIT, PQFP64
TAS5518PAG SPECIALTY CONSUMER CIRCUIT, PQFP64
TAS5518PAGRG4 SPECIALTY CONSUMER CIRCUIT, PQFP64
TAS5518PAGR SPECIALTY CONSUMER CIRCUIT, PQFP64
TAS5518PAGG4 SPECIALTY CONSUMER CIRCUIT, PQFP64
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5518PAG 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5518PAG 制造商:Texas Instruments 功能描述:Pulse Width Modulation (PWM) Controller
TAS5518PAGG4 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5518PAGR 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TAS5518PAGRG4 功能描述:音頻 DSP 8 Ch Digital Audio PWM Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube