LM3S315 Datasheet, PDF (7/547 Pages) List of Unclassifed Manufacturers – Microcontroller

Stellaris^® LM3S315 Microcontroller
14 Pulse Width Modulator (PWM) ............................................................................ 455
14.1 Block Diagram ............................................................................................................ 456
14.2 Signal Description ....................................................................................................... 457
14.3 Functional Description ................................................................................................. 457
14.3.1 PWM Timer ................................................................................................................. 457
14.3.2 PWM Comparators ...................................................................................................... 458
14.3.3 PWM Signal Generator ................................................................................................ 459
14.3.4 Dead-Band Generator ................................................................................................. 460
14.3.5 Interrupt/ADC-Trigger Selector ..................................................................................... 460
14.3.6 Synchronization Methods ............................................................................................ 460
14.3.7 Fault Conditions .......................................................................................................... 460
14.3.8 Output Control Block ................................................................................................... 461
14.4 Initialization and Configuration ..................................................................................... 461
14.5 Register Map .............................................................................................................. 462
14.6 Register Descriptions .................................................................................................. 463
15 Pin Diagram .......................................................................................................... 493
16 Signal Tables ........................................................................................................ 494
16.1 Signals by Pin Number ................................................................................................ 494
16.2 Signals by Signal Name ............................................................................................... 496
16.3 Signals by Function, Except for GPIO ........................................................................... 498
16.4 GPIO Pins and Alternate Functions .............................................................................. 499
16.5 Connections for Unused Signals ................................................................................... 500
17 Operating Characteristics ................................................................................... 501
18 Electrical Characteristics .................................................................................... 502
18.1 DC Characteristics ...................................................................................................... 502
18.1.1 Maximum Ratings ....................................................................................................... 502
18.1.2 Recommended DC Operating Conditions ...................................................................... 502
18.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics ................................................ 503
18.1.4 GPIO Module Characteristics ....................................................................................... 503
18.1.5 Power Specifications ................................................................................................... 503
18.1.6 Flash Memory Characteristics ...................................................................................... 504
18.2 AC Characteristics ....................................................................................................... 504
18.2.1 Load Conditions .......................................................................................................... 504
18.2.2 Clocks ........................................................................................................................ 505
18.2.3 JTAG and Boundary Scan ............................................................................................ 505
18.2.4 Reset ......................................................................................................................... 507
18.2.5 Sleep Modes ............................................................................................................... 509
18.2.6 General-Purpose I/O (GPIO) ........................................................................................ 509
18.2.7 Analog-to-Digital Converter .......................................................................................... 510
18.2.8 Synchronous Serial Interface (SSI) ............................................................................... 511
18.2.9 Analog Comparator ..................................................................................................... 513
A
A.1
A.2
A.2.1
A.2.2
A.3
Serial Flash Loader .............................................................................................. 514
Serial Flash Loader ..................................................................................................... 514
Interfaces ................................................................................................................... 514
UART ......................................................................................................................... 514
SSI ............................................................................................................................. 514
Packet Handling .......................................................................................................... 515
July 14, 2014
7
Texas Instruments-Production Data