v.23 Compatible Modem
3
MX604 PRELIMINARY INFORMATION
1.
Block Diagram
XTAL/
CLOCK
XTAL
V
DD
V
BIAS
V
SS
RXAMPOUT
RXIN
Xtal Osc and
Clock Dividers
Energy
Detect
Mode
Control
Logic
Receive
Filter and
Equalizer
V
BIAS
FSK
De-modulator
Rx/Tx Data
Re-timing
Transmit Filter
and Output Buffer
FSK
Modulator
RXEQ
DET
M1
M0
RXD
CLK
RDY
TXD
TXOUT
Figure 1: Block Diagram
1998
MXCOM, INC.
Tele: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480152.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
All trademarks and service marks are held by their respective companies.