LM3S817-IQC50-A1T 查看數據表（PDF） - Unspecified
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LM3S817-IQC50-A1T Datasheet PDF : 379 Pages
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Table of Contents
14.4 Register Map ..................................................................................................................................... 312
14.5 Register Descriptions......................................................................................................................... 312
15. Pulse Width Modulator (PWM) ......................................................................................... 320
15.1 Block Diagram ................................................................................................................................... 320
15.2 Functional Description ....................................................................................................................... 320
15.2.1 PWM Timer ........................................................................................................................................ 320
15.2.2 PWM Comparators ............................................................................................................................ 320
15.2.3 PWM Signal Generator ...................................................................................................................... 321
15.2.4 Dead-Band Generator ....................................................................................................................... 322
15.2.5 Interrupt Selector ............................................................................................................................... 322
15.2.6 Synchronization Methods .................................................................................................................. 322
15.2.7 Fault Conditions ................................................................................................................................. 323
15.2.8 Output Control Block.......................................................................................................................... 323
15.3 Initialization and Configuration........................................................................................................... 323
15.4 Register Map ..................................................................................................................................... 324
15.5 Register Descriptions......................................................................................................................... 325
16. Pin Diagram ....................................................................................................................... 349
17. Signal Tables ..................................................................................................................... 350
18. Operating Characteristics ................................................................................................ 360
19. Electrical Characteristics ................................................................................................. 361
19.1 DC Characteristics ............................................................................................................................. 361
19.1.1 Maximum Ratings .............................................................................................................................. 361
19.1.2 Recommended DC Operating Conditions ......................................................................................... 361
19.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics .................................................................. 362
19.1.4 Power Specifications ......................................................................................................................... 363
19.1.5 Flash Memory Characteristics ........................................................................................................... 364
19.2 AC Characteristics ............................................................................................................................. 364
19.2.1 Load Conditions ................................................................................................................................. 364
19.2.2 Clocks ................................................................................................................................................ 364
19.2.3 Analog-to-Digital Converter ............................................................................................................... 365
19.2.4 Analog Comparator............................................................................................................................ 366
19.2.5 Synchronous Serial Interface (SSI) ................................................................................................... 366
19.2.6 JTAG and Boundary Scan ................................................................................................................. 368
19.2.7 General-Purpose I/O.......................................................................................................................... 370
19.2.8 Reset ................................................................................................................................................. 370
20. Package Information......................................................................................................... 373
Appendix A. Serial Flash Loader ............................................................................................... 374
21.1 Interfaces ........................................................................................................................................... 374
21.1.1 UART ................................................................................................................................................. 374
21.1.2 SSI ..................................................................................................................................................... 374
21.2 Packet Handling................................................................................................................................. 374
21.2.1 Packet Format ................................................................................................................................... 375
21.2.2 Sending Packets ................................................................................................................................ 375
21.2.3 Receiving Packets ............................................................................................................................. 375
21.3 Commands ........................................................................................................................................ 375
21.3.1 COMMAND_PING (0x20) .................................................................................................................. 376
21.3.2 COMMAND_GET_STATUS (0x23) ................................................................................................... 376
21.3.3 COMMAND_DOWNLOAD (0x21)...................................................................................................... 376
21.3.4 COMMAND_SEND_DATA (0x24) ..................................................................................................... 376
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May 4, 2007
Preliminary
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