TM4C123BH6PM Datasheet, PDF (6/1277 Pages) Texas Instruments – Tiva TM4C123BH6PM Microcontroller

Table of Contents
9.2.1 Channel Assignments .................................................................................................. 575
9.2.2 Priority ........................................................................................................................ 576
9.2.3 Arbitration Size ............................................................................................................ 576
9.2.4 Request Types ............................................................................................................ 576
9.2.5 Channel Configuration ................................................................................................. 577
9.2.6 Transfer Modes ........................................................................................................... 579
9.2.7 Transfer Size and Increment ........................................................................................ 587
9.2.8 Peripheral Interface ..................................................................................................... 587
9.2.9 Software Request ........................................................................................................ 587
9.2.10 Interrupts and Errors .................................................................................................... 588
9.3 Initialization and Configuration ..................................................................................... 588
9.3.1 Module Initialization ..................................................................................................... 588
9.3.2 Configuring a Memory-to-Memory Transfer ................................................................... 589
9.3.3 Configuring a Peripheral for Simple Transmit ................................................................ 590
9.3.4 Configuring a Peripheral for Ping-Pong Receive ............................................................ 592
9.3.5 Configuring Channel Assignments ................................................................................ 594
9.4 Register Map .............................................................................................................. 594
9.5 μDMA Channel Control Structure ................................................................................. 596
9.6 μDMA Register Descriptions ........................................................................................ 603
10 General-Purpose Input/Outputs (GPIOs) ........................................................... 637
10.1 Signal Description ....................................................................................................... 637
10.2 Functional Description ................................................................................................. 640
10.2.1 Data Control ............................................................................................................... 641
10.2.2 Interrupt Control .......................................................................................................... 642
10.2.3 Mode Control .............................................................................................................. 643
10.2.4 Commit Control ........................................................................................................... 644
10.2.5 Pad Control ................................................................................................................. 644
10.2.6 Identification ............................................................................................................... 644
10.3 Initialization and Configuration ..................................................................................... 644
10.4 Register Map .............................................................................................................. 646
10.5 Register Descriptions .................................................................................................. 649
11
11.1
11.2
11.3
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.6
11.3.7
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
General-Purpose Timers ...................................................................................... 692
Block Diagram ............................................................................................................ 693
Signal Description ....................................................................................................... 694
Functional Description ................................................................................................. 695
GPTM Reset Conditions .............................................................................................. 696
Timer Modes ............................................................................................................... 697
Wait-for-Trigger Mode .................................................................................................. 706
Synchronizing GP Timer Blocks ................................................................................... 707
DMA Operation ........................................................................................................... 708
Accessing Concatenated 16/32-Bit GPTM Register Values ............................................ 708
Accessing Concatenated 32/64-Bit Wide GPTM Register Values .................................... 708
Initialization and Configuration ..................................................................................... 710
One-Shot/Periodic Timer Mode .................................................................................... 710
Real-Time Clock (RTC) Mode ...................................................................................... 711
Input Edge-Count Mode ............................................................................................... 711
Input Edge Time Mode ................................................................................................. 712
PWM Mode ................................................................................................................. 712
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June 12, 2014
Texas Instruments-Production Data