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STA538B 数据表(PDF) 10 Page - STMicroelectronics

部件名 STA538B
功能描述  2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX
PDF  59 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA538B 数据表(HTML) 10 Page - STMicroelectronics

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Connection diagrams and pin descriptions
STA538
10/59
2.2.2
Pin description
Table 3.
Package: VFQFPN52
Pin #
Name
Type
Description
10
RST_N
Digital input
Reset (active low)
38
XTI
Digital input
Crystal input or master clock input
37
MCLK33
Digital input
Master clock input 3.3 V capable
XTI: crystal input or master clock input 3.3 V capable
36
SELCLK33
Digital input
Master clock input selector:
SELCLK33 = 1 -> MCLK33 selected
SELCLK33 = 0 -> XTI selected
39
XTO
Digital output
Crystal output
11
CLKOUT
Digital output
Buffered clock output
34
SCL
Digital input
I2C serial clock
35
SDA
Digital
input/output
I2C serial data
33
I2CDIS
Digital input
I2C disable pin (active high)
1
STBY
Digital input
Standby (active high)
14
MUTE
Digital input
Mute (active high)
51
BICLKI
Digital
input/output
Input serial audio interface bit-clock
47
LRCLKI
Digital
input/output
Input serial audio interface L/R-clock
45
SDATAI
Digital input
Input serial audio interface data
52
BICLKO
Digital
input/output
Output serial audio interface bit-clock
(volume DOWN when I2CDIS=1)
48
LRCLKO
Digital
input/output
Output serial audio interface L/R-clock
(volume UP when I2CDIS=1)
46
SDATAO
Digital output
Output serial audio interface data
32
TM
Digital input
Test mode (active high)
2
INL
Analog input
ADC left channel line input or microphone input
3INR
Analog
input/output
ADC right channel line input
4
VBIAS
Analog
input/output
ADC microphone bias voltage
9VCM
Analog
input/output
ADC Common mode voltage
5
AVDD
Supply
ADC analog supply
8
AGND
Ground
ADC analog ground
6
VHI
Analog input
ADC High reference voltage



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