STA330 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

STA330

2.0 digital audio processor with FFX digital modulator and analog and digital inputs

STMicroelectronics 

STA330

Connection diagrams and pin descriptions

Table 2. Pin list (continued)

Pin #

Name

Type

31

POWERFAULT/

EAPD

Digital output

32

TM

Digital input

33

I2CDIS

Digital input

34

SCL

Digital input

35

SDA

Digital

input/output

36

SELCLK33

Digital input

37

MCLK33

38

XTI

39

XTO

40

FILT

41

GNDPLL

42

VDDPLL

43

GND2

44

VDD2

45

SDATAI

46

SDATAO

47

LRCLKI

48

LRCLKO

49

GNDIO2

50

VDDIO2

51

BICLKI

52

BICLKO

EP

Digital input

Digital input

Digital output

Analog

input/output

Ground

Supply

Ground

Supply

Digital input

Digital output

Digital

input/output

Digital

input/output

Ground

Supply

Digital

input/output

Digital

input/output

Ground

Description

Power fault signal (active high) /

External audio power-down signal

Test mode (active high)

I2C disable pin (active high)

I2C serial clock

I2C serial data

Master clock input selector:

SELCLK33 = 1 -> MCLK33 selected

SELCLK33 = 0 -> XTI selected

Master clock input 3.3-V capable

XTI: crystal input or master clock input 3.3-V capable

Crystal input or master clock input

Crystal output

PLL loop filter terminal

PLL analog ground

PLL analog supply

Digital ground

Digital supply

Input serial audio interface data

Output serial audio interface data

Input serial audio interface L/R-clock

Output serial audio interface L/R-clock

(volume UP when I2CDIS=1)

I/O ring ground

I/O ring supply

Input serial audio interface bit-clock

Output serial audio interface bit-clock

(volume DOWN when I2CDIS=1)

Exposed pad ground

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