CMX269AE2 MX-COM, Inc., CMX269AE2 Datasheet - Page 15

• Manufacturer Part Number: CMX269AE2
• Description: 1200/2400/4800bps MSK modem
• Manufacturer: MX-COM, Inc.

1200/2400/4800bps MSK Modem
6.1.4.2 2400bps
Notes:
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
1999 MX-COM, Inc.
1. Consider the Xtal/Clock tolerance.
2. All TX timings are related to the TX Sync Output.
TX Enable to TX Sync Rise Time
TX Delay, Signal to Disable Time
Data Set-Up Time
Data Hold Time
TX Delay to O/P Time
TX Data Rate Period
RX Data Rate Period
Undetermined State
Internal RX Delay
Characteristics
SIGNAL I/P
2400 BPS
SYNC O/P
CLOCKED
DATA O/P
(2400Hz)
TX OUTPUT
RX
RX
2400 BPS
TX DATA
ENABLE
SYNC
TX
TX
1
0
1
0
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
LOGIC '1'
OPEN CIRCUIT
DC = Don't Care
DV = Data Valid
t
RDR
Figure 10: Transmitter Timing: 2400bps
Figure 11: Receiver Timing: 2400bps
LOGIC '0'
t
DSET
DSET
t
SYNC
DC
t
DV
ID
LOGIC '1'
t
t
t
t
DC
TXD
t
SYNC
DSET
t
t
ESET
t
RDR
TXD
TDR
t
DH
t
ID
DH
DV
DC
LOGIC '0'
15
DV
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Note
1
DC
DV
Undetermined
LOGIC '1'
t
State
TDR
DC
Min.
400
2.0
2.0
2.0
DV
t
DC
TDR
LOGIC '0'
DV
CMX469A PRELIMINARY INFORMATION
Typ.
DC
208
416
1.2
1.5
t
ESET
LOGIC '1'
OPEN CIRCUIT
Max.
LOGIC '0'
400
433
2.0
Doc. # 20480191.002
Unit
ms
µs
µs
µs
µs
µs
µs
µs
µs