ST70136G 查看數據表（PDF） - STMicroelectronics

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ST70136G

CPE ADSL ANALOG FRONT END

STMicroelectronics 

ST70136

Table 1 : Pin Assignment (continued)

Pins

TQFP

29

30

31

32

33

34

LFBGA

H7

G6

F5

H8

G8

G7

35

F7

36

F8

37

F6

38

E7

39

E8

40

E6

41

D6

42

D8

43

D7

44

C7

45

C8

46

B7

47

B8

48

A8

49

A7

50

C6

51

A6

52

B6

53

D5

54

C5

55

B5

56

D4

57

A5

58

C4

59

A4

60

B4

61

D3

62

A3

63

B3

64

A2

Name

RXN

VDDA1

VDDA3

IREF50U

V3P75V

VSBIAS

V375AD

V250AD

V125AD

V290DA

VSSA3

VSSA4

PGAN

TXIP

TXN

TXP

TXIN

PGAP

VDDA4

VSDA

VSSA5

VDDA5

GC1

GC0

VDDA6

TON

TOP

VCXOUT

IVCO

VCOCAP

VSSA6

VSSESD

VSSOSC

XTALI

XTALO

VDDOSC

Type

Description

AI Negative Analog Receive input

VDDA RXPGA voltage supply (5v)

VDDA Bias and References voltage supply (5v)

AI External resistor for bias current 50kΩ

AO 3.75v output from bandgap; 0.22µF decoupling

VSSA Substrate voltage for biasing & reference cell (Must be connected to

VSSAx)

AO 3.75 volt reference voltage. Need decoupling 0.1µF

AO 2.50 volt reference voltage. Need decoupling 0.1µF

AO 1.25 volt reference voltage. Need decoupling 0.1µF

AO 2.90 volt reference voltage. Need decoupling 0.1µF

VSSA Biasing and References ground voltage

VSSA Tx path ground voltage

AO Negative TXPGA output

AI Positive analog input for Tx external filtering

AO Negative analog transmit output

AO Positive analog transmit output

AI Negative analog input for Tx external filtering

AO Positive TXPGA output

VDDA Tx analog supply voltage (5V)

VSSA Substrate voltage for DAC path (Must be connected to VSSAx)

VSSA DAC path ground voltage

VDDA DAC analog supply voltage (5v)

DO MSB for external gain control

DO LSB for external gain control

VDDA VCXO & Tone detector Input analog supply voltage (5v)

AI Negative tone detector input

AI Positive tone detector input

AIO VCXO output current

AIO VCXO input current

AO VCXO output filtering

VSSA VCXO & Tone detector analog ground voltage

VSSD Ground voltage reference for ESD

VSSD Ground voltage for Xtal oscillator

DI Xtal oscillator input

DO Xtal oscillator output

VDDD Supply voltage for Xtal cell (3.3v)

* A "N" means active low. Example: R/NW means write active low.

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