EV8380 Datasheet, PDF (10/29 Pages) CML Microcircuits – Family Radio Processor

Evaluation Kit for CMX838 Family Radio Processor
10
3.3 EV8380 External Connections
EV8380 User Manual
Primary
CMX838
C-BUS
interface
signals
are
exposed
at a
connector.
CS
IRQ
Reply Data
Command Data
Serial Clock
J1:12
J1: 2
J1: 1
J1:11
J1:10
J4:10
J4: 8
J4: 6
J4: 4
J4: 2
CS 2
IRQ 2
Reply Data 2
Command Data
2
Serial Clock 2
Second set of C-BUS
interface signals is
exposed at a connector
to support user
implemented daisy-
chained board
configurations
controlled by a single
PCMCIA card.
Figure 1: EV8380 PC and C-BUS Connections
Rx Input
Rx Output
TX MOD1
Output
TX MOD2
Output
Mic input
AUX I/O
P5:1,2 P2:1,2
P3:1,2 P2:3,4
P4:1,2 P2:5,6
P4:3,4 P2:7,8
J2
J3
P5:3,4
A_OUT
B_OUT
A_IN
B_IN
To support
user-added
external
companding
and scrambling
processing.
Speaker Output
Figure 2: EV8380 Baseband Signal Connections
RF input from external
VCO
Input from external
synthesizer reference
oscillator e.g. TCXO.
SM2
SM3
SM1
Charge pump output
current to external
VCO loop filter
Figure 3: EV8380 RF Connections
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Doc. # 20480230.001
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