STA309A 데이터 시트보기 (PDF) - STMicroelectronics

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STA309A

Multi-channel digital audio processor with DDX®

STMicroelectronics 

STA309A

Table 2.

Pin

17

18

19

20

21

23

24

25

29

30

31

32

33

34

38

39

40

41

42

43

47

Pin description (continued)

Type

Name

CMOS input buffer with

pull-down

SA

Bidirectional buffer: 5-V

tolerant TTL schmitt trigger

input; 3.3-V capable 2mA

slew-rate controlled output.

SDA

5-V tolerant TTL schmitt

trigger input buffer

SCL

5-V tolerant TTL schmitt

trigger input buffer

XTI

Analog pad

FILTER_PLL

Analog ground

GNDA

3.3V analog supply voltage VDDA

3.3-V capable TTL tristate

4mA output buffer

CKOUT

3.3-V capable TTL 16mA

output buffer

OUT8B

3.3-V capable TTL 16mA

output buffer

OUT8A

3.3-V capable TTL 16mA

output buffer

OUT7B

3.3-V capable TTL 16mA

output buffer

3.3-V capable TTL 16mA

output buffer

OUT7A

OUT6B

3.3-V capable TTL 16mA

output buffer

OUT6A

3.3-V capable TTL 16mA

output buffer

OUT5B

3.3-V capable TTL 16mA

output buffer

3.3-V capable TTL 16mA

output buffer

OUT5A

OUT4B

3.3-V capable TTL 16mA

output buffer

OUT4A

3.3-V capable TTL 16mA

output buffer

OUT3B

3.3-V capable TTL 16mA

output buffer

OUT3A

3.3-V capable TTL 16mA

output buffer

OUT2B

Pin connections

Description

Select address (I2C)

Serial data (I2C)

Serial clock (I2C)

Crystal oscillator input (clock input)

PLL filter

PLL ground

PLL supply

Clock output

PWM channel 8 output B

PWM channel 8 output A

PWM channel 7 output B

PWM channel 7 output A

PWM channel 6 output B

PWM channel 6 output A

PWM channel 5 output B

PWM channel 5 output A

PWM channel 4 output B

PWM channel 4 output A

PWM channel 3 output B

PWM channel 3 output A

PWM channel 2 output B

Doc ID 13855 Rev 4

11/67

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