參數(shù)資料
型號(hào)： TAS5028APAGRG4
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)： 32/82頁(yè)
文件大小： 1226K
代理商： TAS5028APAGRG4
TAS5028A Controls and Status
25
SLES112 — June 2004
TAS5028A
2
TAS5028A Controls and Status
The TAS5028A 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 TAS5028A 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 TAS5028A 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
TAS5028A Pin Controls
The TAS5028A 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 TAS5028A 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 TAS5028A 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
Valid
PWM P-outputs
PWM M-outputs
SDA
SIGNAL STATE
Low
Low (M-state)
Low (M-state)
Signal input (not driven)
相關(guān)PDF資料
PDF描述
TAS5028PAGR 8 Channel Digital Audio PWM Processor
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TAS5028PAG 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
TAS5028PAGG4 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
TAS5028PAGR 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
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
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