EV8000 Datasheet, PDF (9/35 Pages) CML Microcircuits – Evaluation Kit User

Evaluation Kit User Manual for FX828 and FX829
EV8000
Test Point
Ref.
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
TP22
TP23
TP24
TEST POINTS - SIGNALLING PROCESSOR BOARD
Default
Measurement
8 - 35V
5.0V
0V
0V
0V
0V
LO
-
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
VDD/2
Description
VIN _connection.
VDD _{connection (3.3V or 5.0V)}
VSS _connection.
VSS _connection.
VSS _connection.
VSS _connection.
FX829 carrier detect output.
FX829 mic input.
FX829 DEMODFB pin.
FX828 RXAMPOUT pin.
FX829 MOD2 gain control output.
FX829 MOD1 gain control output.
FX829 audio summing amplifier output.
FX829 FFSK modem or DTMF generator output.
FX829 audio filter/limiter section output.
FX828 MOD2 gain control output.
FX828 MOD1 gain control output.
FX828 sub audio output.
FX828 audio summing amplifier output.
FX828 selcall tone generator output.
FX828 Rx audio filter section output.
-
FX828 comparator output.
HI
C-BUS interrupt request line.
HI
C-BUS chip select line.
Link
Ref.
JP1
JP2,3
JP4
JP5
JP6
JP7
JUMPERS - SIGNALLING PROCESSOR BOARD
Positions
1-2
1-2
1-2
1-2
1-2 or 2-3
1-2
Default
Position
o/c
1-2
1-2
1-2
1-2
1-2
Description
Sets VDD = 3.3V (closed) or VDD = 5.0V (open)
Remove to supply an external clock to JP3 pin 2.
Remove to measure IDD of FX829.
Remove to measure IDD of FX828.
Select FX829 ( default ) or FX828 to drive loudspeaker.
Connects microphone to FX829 MICIN.
© 2004 CML Microsystems Plc
9
UM8000/4