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STA529Q датащи(PDF) 28 Page - STMicroelectronics

номер детали STA529Q
подробное описание детали  FFX™ audio codec with analog and digital inputs and 2 x 1.2 W (or 2 x 100 mW HP) class-D amplifier
PDF  57 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA529Q датащи(HTML) 28 Page - STMicroelectronics

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Driver configuration
STA529
28/57
Doc ID 13095 Rev 3
8
Driver configuration
A driver configuration is available that allows PWM commands to be used on an external
power device. For this purpose, the output serial audio interface is disabled and the
respective pins have an alternative name and a new function, as shown in Table 19.
The driver configuration is selected with the two programmable registers, PWMINT1 = 0x93
and PWMINT2 = 0x81, on page 51.
8.1
I2S bypass
A configuration is available which allows the passing of the I2S input signal straight to the
I2S output signal.
This configuration is set using two programmable registers PWMINT1 = 0x93 and
PWMINT2 = 0x80.
Table 19.
Pin functions in driver-configuration mode
Pin
Alternative pin name and function
BICLKO
PWM1A (external bridge PWM command for output 1A)
LRCLKO
PWM1B (external bridge PWM command for output 1B)
SDATAO
PWM2A (external bridge PWM command for output 2A)
CLKOUT
PWM2B (external bridge PWM command for output 2B)
POWERFAULT
EADP (external audio power-down signal)



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