AIS Baseband IC with/without RF Synthesiser
CMX7032/CMX7042
7.7.2
7.7.3
7.7.4
7.7.5
AIS Raw Mode Receive ............................................................................................... 40
DSC Receive................................................................................................................ 40
Receive Example......................................................................................................... 42
Rx Tasks...................................................................................................................... 42
7.8 Configuration Tasks and Codes .............................................................................................. 43
7.9 RF Synthesiser (CMX7032 only) ............................................................................................. 44
7.10 System Clock Synthesisers ..................................................................................................... 47
7.11 Powersave............................................................................................................................... 48
7.12 C-BUS Register Summary....................................................................................................... 49
8
Performance Specification............................................................................................................. 50
8.1 Electrical Performance ............................................................................................................ 50
8.1.1
8.1.2
8.1.3
8.1.4
Absolute Maximum Ratings ......................................................................................... 50
Operating Limits........................................................................................................... 51
Operating Characteristics ............................................................................................ 52
Parametric Performance.............................................................................................. 56
8.2 C-BUS Timing.......................................................................................................................... 57
8.3 SPI Timing ............................................................................................................................... 58
8.4 Packaging................................................................................................................................ 59
TABLES
Table 1 Definition of Power Supply and Reference Voltages..................................................................... 11
Table 2 Component Values........................................................................................................................ 14
Table 3 BOOTEN Pin States...................................................................................................................... 21
Table 4 Data Tasks.................................................................................................................................... 32
Table 5 Modem Tasks................................................................................................................................ 33
Table 6 AIS Burst Transmit Example......................................................................................................... 35
Table 7 Tx Sequence Events ..................................................................................................................... 36
Table 8 Example Tx Event Sequence Setup ............................................................................................. 37
Table 9 AIS Burst Receive Example.......................................................................................................... 42
Table 10 Configuration Tasks .................................................................................................................... 43
Table 11 C-BUS Registers......................................................................................................................... 49
FIGURES
Figure 1 CMX7032/CMX7042 Block Diagram.............................................................................................. 7
Figure 2 CMX7032 Recommended External Components........................................................................ 12
Figure 3 CMX7042 Recommended External Components........................................................................ 13
Figure 4 CMX7032 Power Supply Connections and De-coupling.............................................................. 15
Figure 5 CMX7042 Power Supply Connections and De-coupling.............................................................. 16
Figure 6 C-BUS Transactions .................................................................................................................... 20
Figure 7 FI Loading from Host ................................................................................................................... 22
Figure 8 FI Loading from Serial Memory.................................................................................................... 23
Figure 9 Tx Burst Timing............................................................................................................................ 26
Figure 10 Rx Burst Timing ......................................................................................................................... 27
Figure 11 Tx Task Operation ..................................................................................................................... 29
2012 CML Microsystems Plc
4
D/7032/42_FI1.2/13
CMLMICRO [ CML MICROCIRCUITS ]
