LM3S1651 Datasheet, PDF (8/1033 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Table of Contents
15.3.5 Command Sequence Flow Charts ................................................................................ 726
15.4 Initialization and Configuration ..................................................................................... 733
15.5 Register Map .............................................................................................................. 734
15.6 Register Descriptions (I²C Master) ............................................................................... 735
15.7 Register Descriptions (I²C Slave) ................................................................................. 748
16 Inter-Integrated Circuit Sound (I²S) Interface .................................................... 757
16.1 Block Diagram ............................................................................................................ 758
16.2 Signal Description ....................................................................................................... 758
16.3 Functional Description ................................................................................................. 760
16.3.1 Transmit ..................................................................................................................... 761
16.3.2 Receive ...................................................................................................................... 765
16.4 Initialization and Configuration ..................................................................................... 767
16.5 Register Map .............................................................................................................. 768
16.6 Register Descriptions .................................................................................................. 769
17 Analog Comparators ............................................................................................ 794
17.1 Block Diagram ............................................................................................................ 794
17.2 Signal Description ....................................................................................................... 795
17.3 Functional Description ................................................................................................. 796
17.3.1 Internal Reference Programming .................................................................................. 796
17.4 Initialization and Configuration ..................................................................................... 798
17.5 Register Map .............................................................................................................. 799
17.6 Register Descriptions .................................................................................................. 799
18 Pulse Width Modulator (PWM) ............................................................................ 807
18.1 Block Diagram ............................................................................................................ 808
18.2 Signal Description ....................................................................................................... 809
18.3 Functional Description ................................................................................................. 812
18.3.1 PWM Timer ................................................................................................................. 812
18.3.2 PWM Comparators ...................................................................................................... 812
18.3.3 PWM Signal Generator ................................................................................................ 814
18.3.4 Dead-Band Generator ................................................................................................. 815
18.3.5 Interrupt/ADC-Trigger Selector ..................................................................................... 815
18.3.6 Synchronization Methods ............................................................................................ 815
18.3.7 Fault Conditions .......................................................................................................... 816
18.3.8 Output Control Block ................................................................................................... 817
18.4 Initialization and Configuration ..................................................................................... 818
18.5 Register Map .............................................................................................................. 818
18.6 Register Descriptions .................................................................................................. 821
19 Quadrature Encoder Interface (QEI) ................................................................... 880
19.1 Block Diagram ............................................................................................................ 880
19.2 Signal Description ....................................................................................................... 881
19.3 Functional Description ................................................................................................. 882
19.4 Initialization and Configuration ..................................................................................... 885
19.5 Register Map .............................................................................................................. 885
19.6 Register Descriptions .................................................................................................. 886
20 Pin Diagram .......................................................................................................... 903
21 Signal Tables ........................................................................................................ 905
21.1 100-Pin LQFP Package Pin Tables ............................................................................... 906
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January 21, 2012
Texas Instruments-Production Data