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參數(shù)資料
| 型號： | TAS5026APAGR |
| 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(shù)： | 35/64頁 |
| 文件大?。?/td> | 936K |
| 代理商： | TAS5026APAGR |
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System Procedures for Initialization, Changing Data Rates, and Switching Between Master and Slave Modes
34
SLES068A—February 2003—Revised January 2004
TAS5026A
Figure 45 shows the procedure to change the data rate using the DBSPD terminal and then to restore the
register settings. In this example, the ERR_RCVRY terminal is used to hold off system re-initialization after
RESET is released. This permits the system controller to have as much additional time as necessary to restore
the register settings.
Once the data rate is set, the ERR_RCVRY and MUTE terminal signals are set high and the system
re-initializes.
MCLK
MUTE
Terminal
ERR_RCVRY
Terminal
Change from a 96-kHz data rate
MCLK_IN = 24.576 MHz
Clock unstable during transition.
HIGH and LOW intervals < 20 ns
Change to a 48-kHz data rate
MCLK_IN = 12.288 MHz
Volume Ramp
Up 120 ms
Volume Ramp
Down 60 ms
ERR_RCVRY can be set at
any time within this interval
Wait a minimum of 100
s after the
LOW to HIGH transition of RESET
Release ERR_RCVRY and
then MUTE when I2C
registers are programmed
> 5 ms
RESET
Terminal
DBSPD
Terminal
< 2 ms
Wait a minimum of
100
s to set DBSPD
Restore register
settings via I2C
Figure 45. Changing the Data Sample Rate With an Unstable MCLK_IN Using the DBSPD Terminal
Because this sequence employs the RESET terminal, the internal register settings are set to the default
values.
Figure 45 shows the procedure to change the data rate using register 0x02 bits D7 and D6 and then to restore
the other register settings. In this example, the ERR_RCVRY terminal is used to hold off system re-initialization
after RESET is released. This permits the system controller to have as much additional time as necessary to
restore the register settings.
Once the data rate is set, the ERR_RCVRY and MUTE terminal signals are set high and the system
re-initializes.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| TAS5026APAGRG4 | 功能描述:音頻 DSP 6Ch Dig Aud PWM Proc 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 |
| TAS5026CPAG | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SIX CHANNEL DIGITAL AUDIO PWM PROCESSOR |
| TAS5026IPAG | 功能描述:多媒體雜項 Dig Aud PWM Proc RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TAS5026IPAGG4 | 功能描述:多媒體雜項 Dig Aud PWM Proc RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TAS5026IPAGR | 功能描述:多媒體雜項 Dig Aud PWM Proc RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
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