FM336PLUS-D CONEXANT [Conexant Systems, Inc], FM336PLUS-D Datasheet - Page 8

• Manufacturer Part Number: FM336PLUS-D
• Description: V.34/Group 3 High Performance Fax Modem Family
• Manufacturer: CONEXANT [Conexant Systems, Inc]

FM336Plus
8
* Selectable; TXRQ output replaces /RI output.
** Selectable; RXRQ output replaces /DSR output.
Processor
Interface
Host
V.24
RXRQ**
/RDCLK
/RESET
RS4:0
TDCLK
XTCLK
TXRQ*
/RLSD
D7:0
/RTS
/CTS
/DTR
RXD
TXD
/WR
/RD
/CS
IRQ
/DSR**
/RI*
Figure 1. Functional Interface Signals
M o d e m F a m i l y
F M 3 3 6 P l u s
Conexant
V.34/Group 3 High Performance Fax Modem Family
EYESYNC
EYECLK
RINGD
EYEXY
/TALK
SPKR
TXA1
TXA2
AGND
DGND
XTL0
CLKIN
+3.3V
XTLI
RIN
OH
+5V
Interface
Eye Pattern
Oscillator
Generator
Power Supply
Amplifier
Optional
Speaker
Line
Crystal
OR
telephone
line
RING
TIP
101361A