CMX469AE2 CML Microcircuits, CMX469AE2 Datasheet - Page 8

• Manufacturer Part Number: CMX469AE2
• Description: 1200/2400/4800 Baud FFSK Modem
• Manufacturer: CML Microcircuits

1200/2400/4800 Baud FFSK/MSK Modem
1.6
Rx Enable
The control of the relevant outputs with reference to the Rx Enable input is described below:
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:
Clock Rate
1200/2400
Select
4800 Select
Baud Rate
Test Set Up
Frequency
Xtal/Clock
2001 Consumer Microcircuits Limited
Rx Enable
Application Notes
‘1’
‘0’
1200
‘0’
‘1’
‘0’
Rx Function
Powersave
Enabled
1.008MHz
Figure 3 Suggested CMX469A Test Set-Up
Clock Data O/P
Enabled
2400
‘0’
‘0’
‘0’
‘0’
9
Carrier Detect O/P
1200
‘1’
‘1’
‘0’
Enabled
‘1’ or ‘0’
4.032MHz
2400
‘1’
‘0’
‘0’
Rx Sync Out
Enabled
‘1’ or ‘0’
4800
CMX469A
D/469A/2
‘1’
‘0’
‘1’