STA529_07 Datasheet, PDF (9/58 Pages) STMicroelectronics – 2 x 100 mW class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX

STA529
Connection diagrams and pin descriptions
2.2.2
Pin description
Table 3.
Pin #
10
38
Package: VFQFPN52
Name
Type
RST_N
Digital input
XTI
Digital input
37
MCLK33 Digital input
36
SELCLK33 Digital input
39
XTO
Digital output
11
CLKOUT Digital output
34
SCL
Digital input
35
SDA
Digital
input/output
33
I2CDIS
Digital input
1
STBY
Digital input
14
MUTE
Digital input
51
BICLKI
Digital
input/output
47
LRCLKI
Digital
input/output
45
SDATAI
Digital input
52
BICLKO
Digital
input/output
48
LRCLKO
Digital
input/output
46
SDATAO Digital output
32
TM
Digital input
2
INL
Analog input
3
INR
Analog
input/output
4
VBIAS
Analog
input/output
9
VCM
Analog
input/output
5
AVDD
Supply
8
AGND
Ground
6
VHI
Analog input
Description
Reset (active low)
Crystal input or master clock input
Master clock input 3.3 V capable
XTI: crystal input or master clock input 3.3 V capable
Master clock input selector:
SELCLK33 = 1 -> MCLK33 selected
SELCLK33 = 0 -> XTI selected
Crystal output
Buffered clock output
I²C serial clock
I²C serial data
I²C disable pin (active high)
Standby (active high)
Mute (active high)
Input serial audio interface bit-clock
Input serial audio interface L/R-clock
Input serial audio interface data
Output serial audio interface bit-clock
(volume DOWN when I2CDIS=1)
Output serial audio interface L/R-clock
(volume UP when I2CDIS=1)
Output serial audio interface data
Test mode (active high)
ADC left channel line input or microphone input
ADC right channel line input
ADC microphone bias voltage
ADC Common mode voltage
ADC analog supply
ADC analog ground
ADC High reference voltage
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