sta538 STMicroelectronics, sta538 Datasheet - Page 10

• 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

Connection diagrams and pin descriptions
2.2.2
10/59
Pin description
Table 3.
Pin #
10
38
37
36
39
11
34
35
33
14
51
47
45
52
48
46
32
1
2
3
4
9
5
8
6
SELCLK33
Package: VFQFPN52
CLKOUT
MCLK33
LRCLKO
SDATAO
LRCLKI
BICLKO
RST_N
SDATAI
I2CDIS
BICLKI
VBIAS
MUTE
AGND
Name
AVDD
STBY
VCM
XTO
SCL
SDA
INR
VHI
XTI
INL
TM
Digital input
Digital input
Digital input
Digital input
Digital output
Digital output
Digital input
Digital
input/output
Digital input
Digital input
Digital input
Digital
input/output
Digital
input/output
Digital input
Digital
input/output
Digital
input/output
Digital output
Digital input
Analog input
Analog
input/output
Analog
input/output
Analog
input/output
Supply
Ground
Analog input
Type
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
I
I
I
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
2
2
2
C serial clock
C serial data
C disable pin (active high)
Description
STA538