RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
2-2
1070
USRT
(OPTIONAL)
DECODER
RFX144V24-S23
OR
RFX96V24-S23
MONOFAX
MODEM
DATA PUMP
(MDP)
HOST
PROCESSOR
(DTE)
VCC
DGND
AGND
~CS
~RESET
ADDRESS BUS (5)
DATA BUS (8)
~WRITE
~READ
EYE
PATTERN
GENERATOR
(OPTIONAL)
OSCILLOSCOPE
EYEXY
EYESYNC
EYECLK
X
Y
1070F2-1 IF Signals
~IRQ1
+5V
CRYSTAL
XTLI
XTLO
RXD
TXD
DCLK
~RTS
~CTS
~RLSD
+5V
~IRQ2
~OH
~TALK
RINGD
RIN
TXA1
TXA2
SPKR
ANALOG
SWITCH
MIC
SPEAKER
SPEAKER/
MICROPHONE
CIRCUIT
TELEPHONE
LINE
TELEPHONE
LINE
INTERFACE
~SLEEP
XCLK
YCLK
GPI (8)
GPO (8)
~EN85
AUXILIARY
CIRCUITS
RIN
TXA1
TXA2
EXTERNAL
INTEGRATED
ANALOG
CODEC
(XIA)
SR4IN
SR3OUT
SR1IO
IACLK
RXDAT
TXDAT
RMODE
TMODE
CLKIN
~SLEEP
MICOUT
SPKHI
SPKLO
VA
AGND
~POR
RXA
TXA
~POR
Figure 2-1. Modem Functional Interconnect Diagram
Summary of Contents for RFX144V24-S23
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