ST70136

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

29

H7

RXN

AI

Negative Analog Receive input

30

G6

VDDA1

VDDA

RXPGA voltage supply (5v)

31

F5

VDDA3

VDDA

Bias and References voltage supply (5v)

32

H8

IREF50U

AI

External resistor for bias current 50k

Ω

33

G8

V3P75V

AO

3.75v output from bandgap; 0.22

µF decoupling

34

G7

VSBIAS

VSSA

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

VSSAx)

35

F7

V375AD

AO

3.75 volt reference voltage. Need decoupling 0.1

µF

36

F8

V250AD

AO

2.50 volt reference voltage. Need decoupling 0.1

µF

37

F6

V125AD

AO

1.25 volt reference voltage. Need decoupling 0.1

µF

38

E7

V290DA

AO

2.90 volt reference voltage. Need decoupling 0.1

µF

39

E8

VSSA3

VSSA

Biasing and References ground voltage

40

E6

VSSA4

VSSA

Tx path ground voltage

41

D6

PGAN

AO

Negative TXPGA output

42

D8

TXIP

AI

Positive analog input for Tx external filtering

43

D7

TXN

AO

Negative analog transmit output

44

C7

TXP

AO

Positive analog transmit output

45

C8

TXIN

AI

Negative analog input for Tx external filtering

46

B7

PGAP

AO

Positive TXPGA output

47

B8

VDDA4

VDDA

Tx analog supply voltage (5V)

48

A8

VSDA

VSSA

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

49

A7

VSSA5

VSSA

DAC path ground voltage

50

C6

VDDA5

VDDA

DAC analog supply voltage (5v)

51

A6

GC1

DO

MSB for external gain control

52

B6

GC0

DO

LSB for external gain control

53

D5

VDDA6

VDDA

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

54

C5

TON

AI

Negative tone detector input

55

B5

TOP

AI

Positive tone detector input

56

D4

VCXOUT

AIO

VCXO output current

57

A5

IVCO

AIO

VCXO input current

58

C4

VCOCAP

AO

VCXO output filtering

59

A4

VSSA6

VSSA

VCXO & Tone detector analog ground voltage

60

B4

VSSESD

VSSD

Ground voltage reference for ESD

61

D3

VSSOSC

VSSD

Ground voltage for Xtal oscillator

62

A3

XTALI

DI

Xtal oscillator input

63

B3

XTALO

DO

Xtal oscillator output

64

A2

VDDOSC

VDDD

Supply voltage for Xtal cell (3.3v)

Table 1 : Pin Assignment (continued)

Pins

Name

Type

Description

TQFP

LFBGA