參數(shù)資料
型號(hào)： TAS5518PAG
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)： 97/105頁
文件大?。?/td> 1514K
代理商： TAS5518PAG
Serial Control Interface Register Definitions
83
SLES115 — August 2004
TAS5518
6.27 Volume Biquad Register (0xCF)
Each gain coefficient is in 28-bit (5.23) format so 0x800000 is a gain of 1. Each gain coefficient is written as
a 32-bit word with the upper four bits not used.
Table 632. Volume Biquad Register Format (Default = All-pass)
DESCRIPTION
REGISTER FIELD CONTENTS
DEFAULT GAIN COEFFICIENT VALUES
DESCRIPTION
REGISTER FIELD CONTENTS
DECIMAL
HEX
bo Coefficient
0U (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
0U (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
6.28 Volume Treble and Bass Slew Rates (0xD0)
Table 633. Volume Gain Update Rate (Slew Rate)
D31D10
D9
D8
FUNCTION
0
512 step update at 4 Fs, 42.6 ms at 48 kHz
0
1
1024 step update at 4 Fs, 85.3 ms at 48 kHz
0
1
0
2048 step update at 4 Fs, 170 ms at 48 kHz
0
1
2048 step update at 4 Fs, 170 ms at 48 kHz
Table 634. Treble and Bass Gain Step Size (Slew Rate)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
No operation
0
1
0
1
0
Minimum rate – Updates every 0.083 ms (every LRCLK at 48 kHz)
0
1
0
Update ever 0.67 ms (32 LRCLKs at 48 kHz)
0
1
Default rate Updates every 1.31 ms (63 LRCLKs at 48 kHz). This is the
maximum constant time that can be set for all sample rates.
1
Minimum rate – Updates every 5.08 ms (every 255 LRCLKs at 48 kHz)
6.29 Volume Registers (0xD1 0xD9)
Channels 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into registers 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, and
0xD8.
Master volume is mapped into register 0xD9.
Bits D31 D12 are Don’t Care.
Table 635. Volume Registers
D31
D30
D29
D28
D27
D26
D25
D24
FUNCTION
Unused bits
D23
D22
D21
D20
D19
D18
D17
D16
FUNCTION
Unused bits
D15
D14
D13
D12
D11
D10
D9
D8
FUNCTION
V11
V10
V9
V8
Volume
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
V7
V6
V5
V4
V3
V2
V1
V0
Volume
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
TAS5538 制造商:TI 制造商全稱:Texas Instruments 功能描述:TAS5612L-TAS5614LDDVEVM
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