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Evaluation Kit User Manual
EV9000
2001 Consumer Microcircuits Limited
19
UM9000/2
Name Function
Positions
Default
E6
Channel A Xtal frequency
(must match jumper E5 position)
A = 8.192MHz (eg. CMX909B)
B = 9.8304 MHz (eg. CMX969,
FX919B/929B)
B
E7
Channel B Rx input coupling
(see Figure 8)
in = dc
out = ac
in
E8
invert channel B Rx path
(see Figure 8)
A = invert
B = no invert
B
E9
Channel B Tx output coupling
(see Figure 9)
in = dc
out = ac
in
E10
Channel B Xtal frequency
(must match jumper E11 position)
A = 8.192MHz (eg. CMX909B)
B = 9.8304 MHz (eg. CMX969,
FX919B/929B)
B
E11
Channel B Xtal frequency
(must match jumper E10 position)
A = 8.192MHz (eg. CMX909B)
B = 9.8304 MHz (eg. CMX969,
FX919B/929B)
B
E12
Co5V power to +5VM power.
CAUTION: Do not install jumper when
supplies are connected to both of
the +5V and +5VM connectors.
in = connected
out = separate
out
E13
Pull-up resistor to pin 1 of the DB25
parallel port connector
in = connected
out = isolated
in
E14
Pull-up resistor to pin 17 of the DB25
parallel port connector
in = connected
out = isolated
in
E15
Pull-up resistor to pin 16 of the DB25
parallel port connector
in = connected
out = isolated
in
E16
Pull-up resistor to pin 14 of the DB25
parallel port connector
in = connected
out = isolated
in
E17 V
DD
isolation of Channel B modem IC.
Remove to measure I
DD
in = connected
out = isolated
in
E18 V
DD
isolation of Channel A modem IC.
Remove to measure I
DD
.
in = connected
out = isolated
in
Table 12: Jumpers