CMX635 查看數據表（PDF） - CML Microsystems Plc

零件编号

产品描述 (功能)

比赛名单

CMX635

ISDN Subscriber Processor

CML Microsystems Plc 

ISDN Subscriber Processor

CMX635

1.2 CMX635 Block Diagrams

1.2.1 Functional Block Diagram

The diagram below shows the main elements of the CMX635.

SPM

RX1O

RX1P

RX1N

RX2O

RX2P

RX2N

TX1OP

TX1N

TX1ON

TX1O

TX2O

TX2ON

Vbias

IOM

SPM

Gen.

Ring

Gen.

Bias

Gen.

IOM

Interface

XTAL

Osc.

Analog

Switching

DTMF

Decode

DTMF

Encode

Codec +

Tone Gen.

Sp Phone

Stats

Channel

Routing

S/T

Interface

HDLC

Fifo

B1 Chan B2 Chan

HDLC

HDLC

D Chan

HDLC

DPLL

FSK

Encode

status

Microprocessor

Interface

8

POR

Dtack Int CS Rd Wr ALE Dat/ Addr

Add

Reset

Clk Out

X1

X2

Set I

Lin1

Lin2

Lout1

Lout2

Vdd(a)

Vdd(d)

Vss(d) x2

Vss(a) x2

RX1 and RX2 channels used for Mic or POTS input.

TX1 channel used for Earpiece or POTS output.

TX2 channel used for loudspeaker or POTS Ring output.

For clarity, internal Processor

bus not shown.

Figure 1.

CMX635 BLOCK DIAGRAM

© 2001 Consumer Microcircuits Limited

4

D/635/2

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