sta538 STMicroelectronics, sta538 Datasheet - Page 26
sta538
Manufacturer Part Number
sta538
Description
2 X 1.3 W Class-d Amplifier With Analog Or Digital Input 2.0 Multichannel Digital Audio Processor With Ffx
Manufacturer
STMicroelectronics
Datasheet
1.STA538.pdf
(59 pages)
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Driver configuration
7
7.1
26/59
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 new functionality, as shown in
Table 17.
The driver configuration is selected with two programmable registers PWMINT1 = 0x93 and
PWMINT2 = 0x81 (see
I
A configuration is available which allows the bypassing of the I
I
This configuration is set using two programmable registers PWMINT1 = 0x93 and
PWMINT2 = 0x80 (see
BICLKO
LRCLKO
SDATAO
CLKOUT
POWERFAULT
2
2
S output signal.
S bypass
Pin
Pin functionality in driver-configuration mode
PWM1A (external bridge PWM command for output 1A)
PWM1B (external bridge PWM command for output 1B)
PWM2A (external bridge PWM command for output 2A)
PWM2B (external bridge PWM command for output 2B)
EADP (external audio power-down signal)
PWMINT1
PWMINT1
and
and
Alternative pin name and functionality
PWMINT2 on page
PWMINT2 on page
52).
52).
2
S input signal straight to the
Table
17.
STA538
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