sta538 STMicroelectronics, sta538 Datasheet - Page 7

• 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

STA538
2.1.2
Pin description
Table 1.
Pin #
D7
D1
E1
G3
D2
C7
G1
G2
G8
B7
H6
H5
E2
G6
G5
G4
H2
H7
H8
G7
D8
E8
F1
F8
SELCLK33
Package: TFBGA48
CLKOUT/
LRCLKO/
SDATAO/
MCLK33
BICLKO/
PWM2B
PWM1A
PWM1B
PWM2A
LRCLKI
RST_N
SDATAI
I2CDIS
BICLKI
VBIAS
MUTE
AGND
Name
AVDD
STBY
VCM
XTO
SCL
SDA
INR
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
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 / PWM2B FFX
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) / PWM1A FFX
Output serial audio interface L/R-clock
(volume UP when I2CDIS = 1) / PWM1B FFX
Output serial audio interface data / PWM2A FFX
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
2
2
2
C serial clock
C serial data
C disable pin (active high)
Connection diagrams and pin descriptions
Description
Tm
Tm
Tm
Tm
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