CMX469A 查看數據表（PDF） - CML Microsystems Plc

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CMX469A

1200/2400/4800 Baud FFSK/MSK Modem

CML Microsystems Plc 

1200/2400/4800 Baud FFSK/MSK Modem

CMX469A

1.6 Application Notes

Rx Enable

The control of the relevant outputs with reference to the Rx Enable input is described below:

Rx Enable

‘1’

‘0’

Rx Function

Enabled

Powersave

Clock Data O/P

Enabled

‘0’

Carrier Detect O/P

Enabled

‘1’ or ‘0’

Rx Sync Out

Enabled

‘1’ or ‘0’

After enabling the Receiver, a time of at least 8 bit periods plus 2ms should be allowed for the Carrier Detect

circuit to stabilise and give a valid output.

Operational Data Rate Configurations

Operational Data Rate Configurations are as described below:

Xtal/Clock

Frequency

Clock Rate

1200/2400

Select

4800 Select

Baud Rate

‘0’

‘1’

‘0’

1200

1.008MHz

‘0’

‘0’

‘0’

2400

‘1’

‘1’

‘0’

1200

4.032MHz

‘1’

‘0’

‘0’

2400

‘1’

‘0’

‘1’

4800

Test Set Up

Figure 3 Suggested CMX469A Test Set-Up

© 2001 Consumer Microcircuits Limited

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