Table of Contents
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11.4 Interrupts ............................................................................................................................ 323
11.5 Typical Use ........................................................................................................................ 323
11.6 Application Notes............................................................................................................... 327
12.1 Overview ............................................................................................................................ 329
12.1.1 Features ................................................................................................................. 329
12.1.2 System Block Diagram ......................................................................................... 330
12.1.3 Functional Block Diagram .................................................................................... 332
12.2 SPI Packets............................................................................................................................ 333
12.2.1 Packet Communication Initiated by the Host ....................................................... 333
12.2.2 Packet Communication Initiated by the FLEX decoder ....................................... 334
12.2.3 Host-to-Decoder Packet Map................................................................................ 336
12.2.4 Decoder-to-Host Packet Map................................................................................ 338
12.3 Host-to-Decoder Packet Descriptions ................................................................................ 338
12.3.1 Checksum Packet .................................................................................................. 338
12.3.2 Configuration Packet............................................................................................. 341
12.3.3 Control Packet....................................................................................................... 344
12.3.4 All Frame Mode Packet ........................................................................................ 345
12.3.5 Operator Messaging Address Enable Packet ........................................................ 347
12.3.6 Roaming Control Packet ....................................................................................... 347
12.3.7 Timing Control Packet .......................................................................................... 350
12.3.8 Receiver Line Control Packet ............................................................................... 351
12.3.9 Receiver Control Configuration Packets............................................................... 351
12.3.10 Frame Assignment Packets ................................................................................... 355
12.3.11 User Address Enable Packet ................................................................................. 356
12.3.12 User Address Assignment Packets........................................................................ 357
12.4 Decoder-to-Host Packet Descriptions ................................................................................ 358
12.4.1 Block Information Word Packet ........................................................................... 359
12.4.2 Address Packet ...................................................................................................... 360
12.4.3 Vector Packet ........................................................................................................ 361
12.4.4 Message Packet..................................................................................................... 366
12.4.5 Roaming Status Packet ......................................................................................... 366
12.4.6 Receiver Shutdown Packet ................................................................................... 369
12.4.7 Status Packet ......................................................................................................... 370
12.4.8 Part ID Packet ....................................................................................................... 372
12.5 Application Notes............................................................................................................... 374
12.5.1 Receiver Control ................................................................................................... 374
12.5.2 Message Building.................................................................................................. 377
12.5.3 Building a Fragmented Message........................................................................... 379
12.5.4 Operation of a Temporary Address....................................................................... 382
12.5.5 Using the Receiver Shutdown Packet ................................................................... 384
12.6 Timing Diagrams (Reference Data) ................................................................................... 387
..................................................................... 329
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