ACE9040FP2N Просмотр технического описания (PDF) - Mitel Networks

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ACE9040FP2N

Audio Processor Advance Information

Mitel Networks 

PIN DESCRIPTIONS

Pin No.

Pin No. Name

FP2 package FP1 package

Description

ACE9040

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22

-

23

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30

31/32

33

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40

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64

1

2

3

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8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23/24

25

26

27

28

29

30

31

32

-

33

34

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36

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38

39

40

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42

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44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

VDD

DEC

HF

LI

RREF

BIAS

AVDD

DATI

TSI

RSI

RXI

RBPO

EAMPI

HFGIN

EOUT

ERCIN

ERCOUT

EIN

EAMPO

EAMPFB

EPOP

EVSS

nc

EPON

EVDD

STBY

LO

VMIDRX

DVDD

LEN

DVSS

nc

LVN

SCLK

SD

RSO

TSO

DATO

AVSS

MOD

SUMO

SUMI

TLPO

BGAP

V485

nc

DTMF

AMPO

nc

AMPI

PREIN

TBPO

CIN

CRCIN

VMIDTX

CRCOUT

nc

COUT

TXC

RXC

IPS

SLO

MI

MICBIAS

VDD supply to substrate, pin should be at highest d.c. voltage

Mid-supply reference decoupling connection, 3.3 µF to GND

Output from TX or RX handsfree rectifier, switched by bit “HFS”

Line input

Reference bias current set for all op-amps by resistor to GND

Buffered mid-supply reference output

Analogue VDD input

Transmit data input

SAT path input for locally generated tone

SAT path receiver input for received tone

Speech path receiver input

Audio output from EXPGAIN block

Output from EARSENSE amp

Input to RX volume control and handsfree attenuator

Expander speech output

Expander time constant input, 180 kΩ to ERCOUT, 100 nF to GND

Expander time constant output, 180 kΩ to ERCIN

Expander speech input, 33 nF to RBPO

Output from EAMP op-amp

Inverting input to EAMP op-amp

Earpiece driver positive output

Earpiece VSS (GND) supply connection

No connection

Earpiece driver negative output

Earpiece VDD supply input

Standby output: low indicates standby state, high is VDD output @ 10 mA

Line output

RX path mid-supply reference voltage, 82 nF to GND

Digital VDD

Serial interface latch signal input, rising edge triggered

Digital VSS (GND) connection

No connection

Low supply VDD voltage indicator comparator output, reset active low output

Serial interface system clock input

Serial interface data input

Received (regenerated) SAT output

Transmit SAT output, regenerated or transponded

Transmit data filter output.

Analogue VSS (GND)

Modulation output: sum of Speech, Data and SAT

Modulation summing amplifier output

Modulation summing amplifier input

Transmit audio lowpass filter output

Bandgap voltage output, 10 nF to GND

Hard limiter gain selection for 3.75 V or 4.85 V nominal supplies

No connection

DTMF tone output

Auxillary op-amp output

No connection

Auxillary op-amp inverting input (non-inverting internally connected to VMIDTX)

Transmit pre-emphasis filter input

Transmit bandpass filter output

Compressor audio input, 10 nF from TBPO

Compressor time constant input, 100 nF to GND, 180 kΩ to CRCOUT

TX path reference voltage, 82 nF to GND

Compressor time constant output, 180 kΩ to CRCIN

No connection

Compressor audio output, 33 nF to PREIN

Transmit handsfree audio level sensing rectifier smoothing filter, 68 nF to GND

Received handsfree audio level sensing rectifier smoothing filter, 68 nF to GND

Transmit audio gain INPSENSE adjustment block input

Soft limiter output

Microphone input

Bias for electret or active microphone

Note: FP1 = 10 x 10mm package, FP2 = 7 x 7 mm package

3

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