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Rabbit 6000 User’s Manual
digi.com
5
17.3.2 Example ISR ....................................172
17.4 Register Descriptions ...............................173
18.1 Overview ..................................................176
18.1.1 Block Diagram ................................177
18.1.2 Registers ..........................................178
18.2 Dependencies ...........................................179
18.2.1 I/O Pins ............................................179
18.2.2 Clocks ..............................................179
18.2.3 Other Registers ................................179
18.2.4 Interrupts .........................................179
18.3 Operation..................................................180
18.3.1 Handling Interrupts ..........................180
18.3.2 Example ISR ....................................180
18.4 Register Descriptions ...............................181
19.1 Overview ..................................................184
19.1.1 Block Diagram ................................186
19.1.2 Registers ..........................................187
19.2 Dependencies ...........................................188
19.2.1 I/O Pins ............................................188
19.2.2 Clocks ..............................................188
19.2.3 Other Registers ................................189
19.2.4 Interrupts .........................................189
19.3 Operation..................................................190
19.3.1 Asynchronous Mode ........................190
19.3.2 Clocked Serial Mode .......................191
19.4 Register Descriptions ...............................193
20.1 Overview ..................................................200
20.1.1 Block Diagram ................................201
20.1.2 Registers ..........................................202
20.2 Dependencies ...........................................203
20.2.1 I/O Pins ............................................203
20.2.2 Clocks ..............................................203
20.2.3 Other Registers ................................203
20.2.4 Interrupts .........................................204
20.3 Operation..................................................205
20.3.1 Asynchronous Mode ........................205
20.3.2 HDLC Mode ....................................205
20.3.3 More on Clock Synchronization and
Data Encoding ...........................................206
20.4 Register Descriptions ...............................210
21.1 Overview ..................................................216
21.1.1 Block Diagram ................................217
21.1.2 Registers ..........................................217
21.2 Dependencies ...........................................218
21.2.1 I/O Pins ............................................218
21.2.2 Clocks ..............................................218
21.2.3 Interrupts .........................................218
21.3 Operation..................................................219
21.3.1 Master Setup ....................................220
21.3.2 Slave Setup ......................................220
21.3.3 Master/Slave Communication .........221
21.3.4 Slave/Master Communication ......... 221
21.3.5 Handling Interrupts ......................... 221
21.3.6 Example ISR ................................... 221
21.3.7 Other Configurations ....................... 222
21.3.8 Timing Diagrams ............................ 223
21.4 Register Descriptions ............................... 225
22.1 Overview.................................................. 227
22.2 Block Diagram ......................................... 230
22.2.1 Registers .......................................... 231
22.3 Dependencies ........................................... 231
22.3.1 I/O Pins ............................................ 231
22.3.2 Clocks .............................................. 231
22.4 Operation.................................................. 232
22.4.1 Fast A/D Converter ......................... 232
22.4.2 Fast D/A Converter ......................... 232
22.4.3 Slow A/D Converter ........................ 232
22.5 Sample Circuits........................................ 233
22.6 Register Descriptions ............................... 235
23.1 Overview.................................................. 240
23.2 Block Diagram ......................................... 241
23.2.1 Registers .......................................... 241
23.3 Dependencies ........................................... 242
23.3.1 I/O Pins ............................................ 242
23.3.2 Clocks .............................................. 242
23.4 Operation.................................................. 243
23.4.1 Single Reading ................................ 243
23.4.2 Continuous Read ............................. 243
23.4.3 Handling Interrupts ......................... 243
23.5 Sample Circuit ......................................... 244
23.6 Register Descriptions ............................... 245
24.1 Overview.................................................. 249
24.1.1 Block Diagram ................................ 252
24.1.2 Registers .......................................... 253
24.2 Dependencies ........................................... 255
24.2.1 I/O Pins ............................................ 255
24.2.2 Clocks .............................................. 255
24.2.3 Other Registers ................................ 255
24.2.4 Interrupts ......................................... 255
24.3 Operation.................................................. 256
24.3.1 Handling Interrupts ......................... 257
24.3.2 Example ISR ................................... 257
24.3.3 DMA Priority with the Processor .... 258
24.3.4 DMA Channel Priority .................... 259
24.3.5 Buffer Descriptor Modes ................. 260
24.3.6 DMA with Peripherals .................... 263
24.4 Register Descriptions ............................... 264
25.1 Overview.................................................. 285
25.1.1 Block Diagram ................................ 287
25.1.2 Registers .......................................... 288
25.2 Dependencies ........................................... 290
Summary of Contents for 6000
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Page 234: ...Rabbit 6000 User s Manual digi com 234 Figure 22 3 Sample Slow A D Converter Circuit...
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Page 420: ...Rabbit 6000 User s Manual digi com 420 Figure 37 1 Memory Read and Write Cycles...