CML Microcircuits
COMMUNICA
TION SEMICONDUCTORS
D/7032/42_FI1.2/13 December 2012
CMX7032
CMX7042
AIS Data Processor
Provisional Issue
DATASHEET
Marine AIS data processor designed for Limiter-Discriminator based RF systems
Features:
Half-Duplex GMSK and FSK Modem
AIS and DSC Data Format
Optimum Co-channel and Adjacent-channel
Performance
Flexible Channel Configuration:
– Two Simultaneous Rx
– One Tx
Supports Carrier-Sensing Channel Access
(CSTDMA) Operation
Low Profile 64 or 48 pad Leadless VQFN and
64 or 48 pin LQFP Packages
Configurable by Function Image™
Two RF Synthesisers (CMX7032 only)
Two Auxiliary System Clock Generators
Tx Section
Tx:
I/Q or
2-point
Output
Drivers
GMSK
Encoder
Message
Buffer
HDLC
NRZI
Encoder
C-BUS
Interface
Low-Power (3.0V to 3.6V) Operation
Limiter-Discriminator Rx Interface
Flexible Tx Interface: I/Q or Two-
point Modulation
Auxiliary ADC and DAC Functions
– 4 x (10-bit) DACs
– 2 x (10-bit) ADCs
Applications:
Automatic Identification System
(AIS) for Marine Safety
AIS Aids-To-Navigation (AtoN)
AIS Class B Transponders
AIS Rx-only or Tx-only Modules
Rx Section
Rx1:
Limiter-
Discriminator
GMSK
Decoder
HDLC
NRZI
Decoder
Message
Buffer
Sample
Timer
Host
Micro
FSK
Decoder
Rx2:
Limiter-
Discriminator
Mesage
Buffer
GMSK
Decoder
HDLC
NRZI
Decoder
Mesage
Buffer
Interrupt
Generator
Reset and
Power
control
DACs
TCXO
This document contains:
Datasheet
User
Manual
AIS
Radio
Tranceiver
ADCs
GPIO
Dual Clock Generators
Dual RF Synthesisers
(CMX7032 only )
CMX7032
CMX7042
Auxiliary
Section
Brief description, see next page…
2012 CML Microsystems Plc
CMLMICRO [ CML MICROCIRCUITS ]
