Low Power V.22bis Modem
21
CMX868 Advance Information
Tx Mode Register b2-0: Tx Data source (QAM, DPSK, FSK Synchronous mode)
In Synchronous mode (b4-3 = 11) these three bits select the source of the data fed to the Tx
FSK or QAM/DPSK scrambler and modulator.
b2
b1
b0
1
x
x Data bytes from Tx Data Buffer
0
1
1 Continuous 1s
0
1
0 Continuous 0s
0
0
x Continuous V.22bis handshake S1 pattern dibits ’00,11’ in DPSK and
QAM modes, continuous alternating 1s and 0s in all other modes.
¤2001 MX-COM, Inc.
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480205.007
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.