EV6240 Datasheet, PDF (8/47 Pages) CML Microcircuits – Opto-Isolated serial interface capability

Evaluation Kit for CMX624/CMX644A
EV6240
TEST POINTS
Test Point
Default
Ref.
Measurement
TP15
-
TP16
-
TP17
-
TP18
-
TP19
-
TP20
-
TP21
-
TP22
-
TP23
HI
TP24
-
TP25
-
TP26
HI
TP27
HI
TP28
-
TP29
-
TP30
HI
TP31
-
TP32
-
TP33
-
TP34
-
TP35
-
TP36
-
TP37
-
TP38
-
TP39
HI
TP40
-
TP41
-
TP42
-
TP43
-
TP44
-
TP45
-
TP46
0V
Description
MODEM 1 CMX6X4 TXO output, pin 9
MODEM 1 CMX6X4 TXON output, pin 11
MODEM 1 AC coupled CMX6x4 TOP output, pin 8
MODEM 1 Line signal after transformer.
MODEM 1 CMX6X4 RXN input, pin 16
MODEM 1 CMX6X4 RXP input, pin 15 (2-wire line selected)
MODEM 1 CMX6X4 RXO output, pin 17
MODEM 1 CMX6X4 V_BIAS output, pin 13
MODEM 1 CMX6x4 RLYDRV output, pin 14
MODEM 1 CMX6X4 RT bidirectional pin 18
MODEM 1 CMX6X4 RD input pin 19
MODEM 2 CMX6X4 IRQN output, pin 7. A pull-up resistor R8 is
included on board.
MODEM 2 CMX6X4 CSN input, pin 6
MODEM 2 Line Voltage input on 2-wire line.
MODEM 2 DTMF input
MODEM 2 Ring Stimulus output
MODEM 2 CMX6X4 TXO output, pin 9
MODEM 2 CMX6X4 TXON output, pin 11
MODEM 2 AC coupled CMX6X4 TOP output, pin 8
MODEM 2 Line signal after transformer.
MODEM 2 CMX6X4 RXN input, pin 16
MODEM 2 CMX6X4 RXP input, pin 15 (2-wire line selected)
MODEM 2 CMX6X4 RXO output, pin 17
MODEM 2 CMX6X4 V_BIAS output, pin 13
MODEM 2 CMX6x4 RLYDRV output, pin 14
MODEM 2 CMX6X4 RT bidirectional, pin 18
MODEM 2 CMX6X4 RD input, pin 19
BERT Tx Data input
BERT Tx Data clock output
BERT Rx Data output
BERT Rx Data clock output
V_SS connection
8
© 1999 Consumer Microcircuits Limited
UM6240/3