TM4C123AE6PM Datasheet, PDF (6/1237 Pages) Texas Instruments – Tiva TM4C123AE6PM Microcontroller

Table of Contents
9.2.3
9.2.4
9.2.5
9.2.6
9.3
9.4
9.5
Mode Control .............................................................................................................. 600
Commit Control ........................................................................................................... 601
Pad Control ................................................................................................................. 601
Identification ............................................................................................................... 601
Initialization and Configuration ..................................................................................... 601
Register Map .............................................................................................................. 603
Register Descriptions .................................................................................................. 606
10 General-Purpose Timers ...................................................................................... 649
10.1 Block Diagram ............................................................................................................ 650
10.2 Signal Description ....................................................................................................... 651
10.3 Functional Description ................................................................................................. 652
10.3.1 GPTM Reset Conditions .............................................................................................. 653
10.3.2 Timer Modes ............................................................................................................... 654
10.3.3 Wait-for-Trigger Mode .................................................................................................. 663
10.3.4 Synchronizing GP Timer Blocks ................................................................................... 664
10.3.5 DMA Operation ........................................................................................................... 665
10.3.6 Accessing Concatenated 16/32-Bit GPTM Register Values ............................................ 665
10.3.7 Accessing Concatenated 32/64-Bit Wide GPTM Register Values .................................... 665
10.4 Initialization and Configuration ..................................................................................... 667
10.4.1 One-Shot/Periodic Timer Mode .................................................................................... 667
10.4.2 Real-Time Clock (RTC) Mode ...................................................................................... 668
10.4.3 Input Edge-Count Mode ............................................................................................... 668
10.4.4 Input Edge Time Mode ................................................................................................. 669
10.4.5 PWM Mode ................................................................................................................. 669
10.5 Register Map .............................................................................................................. 670
10.6 Register Descriptions .................................................................................................. 671
11
11.1
11.2
11.2.1
11.3
11.4
11.5
Watchdog Timers ................................................................................................. 719
Block Diagram ............................................................................................................ 720
Functional Description ................................................................................................. 720
Register Access Timing ............................................................................................... 721
Initialization and Configuration ..................................................................................... 721
Register Map .............................................................................................................. 721
Register Descriptions .................................................................................................. 722
12 Analog-to-Digital Converter (ADC) ..................................................................... 744
12.1 Block Diagram ............................................................................................................ 745
12.2 Signal Description ....................................................................................................... 746
12.3 Functional Description ................................................................................................. 747
12.3.1 Sample Sequencers .................................................................................................... 747
12.3.2 Module Control ............................................................................................................ 748
12.3.3 Hardware Sample Averaging Circuit ............................................................................. 751
12.3.4 Analog-to-Digital Converter .......................................................................................... 752
12.3.5 Differential Sampling ................................................................................................... 755
12.3.6 Internal Temperature Sensor ........................................................................................ 757
12.3.7 Digital Comparator Unit ............................................................................................... 758
12.4 Initialization and Configuration ..................................................................................... 762
12.4.1 Module Initialization ..................................................................................................... 762
12.4.2 Sample Sequencer Configuration ................................................................................. 763
12.5 Register Map .............................................................................................................. 763
6
June 12, 2014
Texas Instruments-Production Data