Evaluation Kit for CMX724x/CMX734x
PE0403
2014 CML Microsystems Plc
12
um0403/1
Table 2 Test Points
TEST POINTS
Test Point
Ref.
Default
Measurement
Description
TP2
HiZ
Loop
– Non-buffered Audio output
TP3
0V
Loop
– CMX7240/CMX7340 system clock 2 output.
TP4
19.2MHz
Loop
– CMX7240/CMX7340 system clock 1 output.
TP5
+1.65V
Pad
– CMX7240/CMX7340 VBIAS.
TP6
+3.3V
Pad
– DVDD, digital supply.
TP7
+5V
Pad
– External supply voltage.
TP8
0V
Loop
– GNDD, digital ground.
TP9
0V
Loop
– GNDD, digital ground.
TP10
0V
Loop
– GNDA, analogue ground.
TP11
0V
Loop
– GNDA, analogue ground.
TP12
-
Pad
– Output from on-board regulator (not fitted). Optional external DC
supply voltage for CMX7240/CMX7340 core.
TP13
-5V
Pad
– Optional external negative supply voltage, nominally -5 volt.
TP14
+3.3V
Pad
– AVDD, analogue supply.
TP15
+4.0V
Pad
– Output from on-board regulator. Positive supply voltage for
instrumentation interface, +4.0V
– if required.
TP16
-4.0V
Pad
– Output from on-board regulator. Negative supply voltage for
instrumentation interface, -4.0V
– if required.
TP18
HiZ
Loop
– MOD1 - Channel 1 output.
TP19
HiZ
Loop
– MOD2 - Channel 2 output.
TP20
0V
Loop
– GNDA, analogue ground.
