LM3S818 Datasheet, PDF (7/572 Pages) Bookham, Inc. – Microcontroller

Stellaris^® LM3S818 Microcontroller
14 Pulse Width Modulator (PWM) ............................................................................ 458
14.1 Block Diagram ............................................................................................................ 459
14.2 Signal Description ....................................................................................................... 460
14.3 Functional Description ................................................................................................. 460
14.3.1 PWM Timer ................................................................................................................. 460
14.3.2 PWM Comparators ...................................................................................................... 461
14.3.3 PWM Signal Generator ................................................................................................ 462
14.3.4 Dead-Band Generator ................................................................................................. 463
14.3.5 Interrupt/ADC-Trigger Selector ..................................................................................... 463
14.3.6 Synchronization Methods ............................................................................................ 463
14.3.7 Fault Conditions .......................................................................................................... 464
14.3.8 Output Control Block ................................................................................................... 464
14.4 Initialization and Configuration ..................................................................................... 464
14.5 Register Map .............................................................................................................. 465
14.6 Register Descriptions .................................................................................................. 467
15 Quadrature Encoder Interface (QEI) ................................................................... 497
15.1 Block Diagram ............................................................................................................ 497
15.2 Signal Description ....................................................................................................... 498
15.3 Functional Description ................................................................................................. 498
15.4 Initialization and Configuration ..................................................................................... 500
15.5 Register Map .............................................................................................................. 501
15.6 Register Descriptions .................................................................................................. 502
16 Pin Diagram .......................................................................................................... 515
17 Signal Tables ........................................................................................................ 516
17.1 Signals by Pin Number ................................................................................................ 516
17.2 Signals by Signal Name ............................................................................................... 518
17.3 Signals by Function, Except for GPIO ........................................................................... 520
17.4 GPIO Pins and Alternate Functions .............................................................................. 522
17.5 Connections for Unused Signals ................................................................................... 523
18 Operating Characteristics ................................................................................... 524
19 Electrical Characteristics .................................................................................... 525
19.1 DC Characteristics ...................................................................................................... 525
19.1.1 Maximum Ratings ....................................................................................................... 525
19.1.2 Recommended DC Operating Conditions ...................................................................... 525
19.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics ................................................ 526
19.1.4 GPIO Module Characteristics ....................................................................................... 526
19.1.5 Power Specifications ................................................................................................... 526
19.1.6 Flash Memory Characteristics ...................................................................................... 527
19.2 AC Characteristics ....................................................................................................... 527
19.2.1 Load Conditions .......................................................................................................... 527
19.2.2 Clocks ........................................................................................................................ 528
19.2.3 JTAG and Boundary Scan ............................................................................................ 528
19.2.4 Reset ......................................................................................................................... 530
19.2.5 Sleep Modes ............................................................................................................... 532
19.2.6 General-Purpose I/O (GPIO) ........................................................................................ 532
19.2.7 Analog-to-Digital Converter .......................................................................................... 533
19.2.8 Synchronous Serial Interface (SSI) ............................................................................... 534
July 14, 2014
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