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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

CMX469A 데이터 시트보기 (PDF) - CML Microsystems Plc

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CMX469A
CML
CML Microsystems Plc CML
CMX469A Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
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
9
D/469A/2

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