Evaluation Kit for CMX838 Family Radio Processor
26
EV8380 User Manual
CONNECTOR PINOUT
Signal Type
Connector
Ref.
Connector
Pin No.
Signal Name
Description
3
4
1
2
3
4
5
6
7
8
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
1
2
1
2
1
2
GND
V- IN
Ground
Power
Output
Ground
Output
Ground
Input
Analog signal ground
-ve power from external supply (not used)
External signal processing path ‘A’ output
Analog signal ground
P2
AOUT
AGND
BOUT
AGND
AIN
External signal processing path ‘B’ output
Analog signal ground
External signal processing path ‘A’ input
Analog signal ground
AGND
BIN
Ground
Input
External signal processing path ‘B’ input
Analog signal ground
AGND
RXOUT
AGND
NC
Ground
Output
Ground
NC
P3
P4
P5
Processed receive audio output
Analog signal ground
No connection
NC
NC
No connection
TXMOD1
SVSS
TXMOD2
SVSS
RXIN
Output
Ground
Output
Ground
Input
Transmit modulation output 1
Analog signal ground
Transmit modulation output 2
Analog signal ground
Receive input for audio & subaudio signals
Analog signal ground
AGND
AUX
Ground
Bi-directional Auxiliary signal input/output
AGND
MIC IN
AGND
NC
Ground
Input
Analog signal ground
Auxiliary microphone input
Analog signal ground
NC
Ground
NC
MIC OUT
CP OUT
SVSS
RFIN-
SVSS
REF IN
SVSS
Output
Output
Ground
Input
Microphone amplifier output
Charge pump output current
SM1
SM2
SM3
Synthesizer RF positive input
Reference oscillator input
Ground
Input
Ground
Table 5: Connector List
Description
Test Point
Ref.
TP1
TP2
CMX838 Auxiliary input/output
CMX838 Vbias
TP3
CMX838 Microphone amplifier output
Table 6: Test Points
¤2001 MX-COM, Inc.
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480230.001
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