參數(shù)資料
型號(hào)： TAS5028PAGR
廠商： Texas Instruments, Inc.
英文描述： 8 Channel Digital Audio PWM Processor
中文描述： 8通道數(shù)字音頻PWM處理器
文件頁(yè)數(shù)： 33/84頁(yè)
文件大?。?/td> 1051K
代理商： TAS5028PAGR
TAS5028 Controls and Status
25
SLES112 — June 2004
TAS5028
2
TAS5028 Controls and Status
The TAS5028 provides control and status information from both the I
2
C registers and device pins.
This section describes some of these controls and status functions. The I
2
C summary and detailed register
descriptions are contained in sections at the end of this document.
2.1
I
2
C Status Registers
The TAS5028 has two status registers that provide general device information. These are the General Status
Register 0 (0x01) and the Error Status Register (0x02).
2.1.1 General Status Register (0x01)
Device identification code
Clip indicator – The TAS5028 has a clipping indicator. Writing to the register clears the indicator.
Bank switching is busy
2.1.2 Error Status Register (0x02)
No internal errors (the valid signal is high)
A clock error has occurred – These are sticky bits that are cleared by writing to the register.
-
LRCLK error – When the number of MCLKs per LRCLK is incorrect
-
SCLK error – When the number of SCLKS per LRCLK is incorrect
-
Frame slip – When the number of MCLKs per LRCLK changes by more than 10 MCLK cycles
-
PLL phase-lock error
This error status register is normally used for system development only.
2.2
TAS5028 Pin Controls
The TAS5028 provide a number of terminal controls to manage the device operation. These controls are:
RESET
PDN
BKND_ERR
HP_SEL
MUTE
2.2.1 Reset (RESET)
The TAS5028 is placed in the reset mode by setting the RESET terminal low or by the power up reset circuitry
when power is applied.
RESET is an asynchronous control signal that restores the TAS5028 to the hard mute state (M). Master
volume is immediately set to full attenuation (there is no ramp down). Reset initiates the device reset without
an MCLK input. As long as the RESET terminal is held low, the device is in the reset state. During reset, all
I
2
C and serial data bus operations are ignored.
Table 2-1 shows the device output signals while RESET is active.
Table 2-1. Device Outputs During Reset
SIGNAL
SIGNAL STATE
Valid
Low
PWM P-outputs
Low (M-State)
PWM M-outputs
Low (M-State)
SDA
Signal Input (not driven)
相關(guān)PDF資料
PDF描述
TAS5028PAGRG4 8 Channel Digital Audio PWM Processor
TAS5036A Six Channel Digital Audio PWM Processor
TAS5036A_06 Six Channel Digital Audio PWM Processor
TAS5036AIPFC Six Channel Digital Audio PWM Processor
TAS5036AIPFCG4 Six Channel Digital Audio PWM Processor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5028PAGRG4 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
TAS5036 制造商:TI 制造商全稱:Texas Instruments 功能描述:SIX CHANNEL DIGITAL AUDIO PWM PROCESSOR
TAS5036A 制造商:TI 制造商全稱:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor
TAS5036A_06 制造商:TI 制造商全稱:Texas Instruments 功能描述:Six Channel Digital Audio PWM Processor
TAS5036AIPFC 功能描述:音頻放大器 Digital Audio PWM Processor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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