LM3S8971 Luminary Micro, Inc, LM3S8971 Datasheet - Page 7

• Manufacturer Part Number: LM3S8971
• Description: Lm3s8971 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

17.2
17.2.1 Internal Reference Programming .............................................................................................. 466
17.3
17.4
17.5
18
18.1
18.2
18.2.1 PWM Timer ............................................................................................................................. 477
18.2.2 PWM Comparators .................................................................................................................. 477
18.2.3 PWM Signal Generator ............................................................................................................ 478
18.2.4 Dead-Band Generator ............................................................................................................. 479
18.2.5 Interrupt/ADC-Trigger Selector ................................................................................................. 480
18.2.6 Synchronization Methods ......................................................................................................... 480
18.2.7 Fault Conditions ...................................................................................................................... 480
18.2.8 Output Control Block ............................................................................................................... 480
18.3
18.4
18.5
19
19.1
19.2
19.3
19.4
19.5
20
21
21.1
21.2
22
23
23.1
23.1.1 Maximum Ratings ................................................................................................................... 558
23.1.2 Recommended DC Operating Conditions .................................................................................. 558
23.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics ............................................................ 559
23.1.4 Power Specifications ............................................................................................................... 559
23.1.5 Flash Memory Characteristics .................................................................................................. 561
23.1.6 Hibernation ............................................................................................................................. 561
23.2
23.2.1 Load Conditions ...................................................................................................................... 561
23.2.2 Clocks .................................................................................................................................... 561
23.2.3 Analog-to-Digital Converter ...................................................................................................... 562
23.2.4 Analog Comparator ................................................................................................................. 563
23.2.5 Ethernet Controller .................................................................................................................. 563
23.2.6 Hibernation Module ................................................................................................................. 566
23.2.7 Synchronous Serial Interface (SSI) ........................................................................................... 567
23.2.8 JTAG and Boundary Scan ........................................................................................................ 568
July 26, 2008
Functional Description ............................................................................................................. 465
Initialization and Configuration ................................................................................................. 467
Register Map .......................................................................................................................... 468
Register Descriptions .............................................................................................................. 468
Pulse Width Modulator (PWM) ........................................................................................ 476
Block Diagram ........................................................................................................................ 476
Functional Description ............................................................................................................. 477
Initialization and Configuration ................................................................................................. 481
Register Map .......................................................................................................................... 482
Register Descriptions .............................................................................................................. 483
Quadrature Encoder Interface (QEI) ............................................................................... 512
Block Diagram ........................................................................................................................ 512
Functional Description ............................................................................................................. 513
Initialization and Configuration ................................................................................................. 515
Register Map .......................................................................................................................... 515
Register Descriptions .............................................................................................................. 516
Pin Diagram ...................................................................................................................... 529
Signal Tables .................................................................................................................... 531
100-Pin LQFP Package Pin Tables ........................................................................................... 531
108-Pin BGA Package Pin Tables ............................................................................................ 543
Operating Characteristics ............................................................................................... 557
Electrical Characteristics ................................................................................................ 558
DC Characteristics .................................................................................................................. 558
AC Characteristics ................................................................................................................... 561
Preliminary
LM3S8971 Microcontroller
7