參數(shù)資料
型號(hào): TAS5036B
廠商: Texas Instruments, Inc.
英文描述: Digital Audio PWM Processor
中文描述: 數(shù)字音頻 PWM 處理器
文件頁(yè)數(shù): 38/56頁(yè)
文件大小: 713K
代理商: TAS5036B
System Procedures for Initialization, Changing Data Rates, and Switching Between Master and Slave Modes
32
SLES073
February 2003
TAS5036B
MCLK
MUTE
Terminal
DBSPD
Terminal
Change from a 96-kHz data rate
MCLK_IN = 24.576 MHz
Clock transition
Change to a 48-kHz data rate
MCLK_IN = 12.288 MHz
Volume ramp
up 42
65 ms
> 5 ms
< 2 ms
< 2 ms
Volume ramp
down 42
65 ms
Set within 2 ms
of transition
Figure 4
3. Changing the Data Sample Rate Using the DBSPD Terminal
MCLK
MUTE
Terminal
Change from a 96-kHz data rate
MCLK_IN = 24.576 MHz
Clock transition
Change to a 48-kHz data rate
MCLK_IN = 12.288 MHz
Volume ramp
up 42
65 ms
> 5 ms
< 2 ms
< 2 ms
Volume ramp
down 42
65 ms
Set data rate via I2C
register X02D7 and D6
ERR_RCVRY
Terminal
Hold ERR_RCVRY low
to give additional timeset registers
Figure 4
4. Changing the Data Sample Rate Using the I
2
C
However, if the master clock input can encounter a high clock or low clock period of less than 20 ns, then
RESET should be applied during this time. There are two recommended control procedures for this case,
depending upon whether the DBSPD terminal or the serial control interface is used. These control sequences
are shown in Figure 4
5 and Figure 4
6.
Because this sequence employs the RESET terminal the internal register settings are set to the default values.
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