LM3S1G21 Datasheet, PDF (8/955 Pages) Texas Instruments – Stellaris® LM3S1G21 Microcontroller

Table of Contents
15.3.4 Frame Formats ........................................................................................................... 746
15.3.5 DMA Operation ........................................................................................................... 753
15.4 Initialization and Configuration ..................................................................................... 754
15.5 Register Map .............................................................................................................. 755
15.6 Register Descriptions .................................................................................................. 756
16 Inter-Integrated Circuit (I²C) Interface ................................................................ 784
16.1 Block Diagram ............................................................................................................ 785
16.2 Signal Description ....................................................................................................... 785
16.3 Functional Description ................................................................................................. 786
16.3.1 I²C Bus Functional Overview ........................................................................................ 786
16.3.2 Available Speed Modes ............................................................................................... 788
16.3.3 Interrupts .................................................................................................................... 789
16.3.4 Loopback Operation .................................................................................................... 790
16.3.5 Command Sequence Flow Charts ................................................................................ 791
16.4 Initialization and Configuration ..................................................................................... 798
16.5 Register Map .............................................................................................................. 799
16.6 Register Descriptions (I²C Master) ............................................................................... 800
16.7 Register Descriptions (I²C Slave) ................................................................................. 813
17 Analog Comparators ............................................................................................ 822
17.1 Block Diagram ............................................................................................................ 822
17.2 Signal Description ....................................................................................................... 823
17.3 Functional Description ................................................................................................. 824
17.3.1 Internal Reference Programming .................................................................................. 824
17.4 Initialization and Configuration ..................................................................................... 826
17.5 Register Map .............................................................................................................. 827
17.6 Register Descriptions .................................................................................................. 827
18 Pin Diagram .......................................................................................................... 835
19 Signal Tables ........................................................................................................ 837
19.1 100-Pin LQFP Package Pin Tables ............................................................................... 838
19.2 108-Ball BGA Package Pin Tables ................................................................................ 864
19.3 Connections for Unused Signals ................................................................................... 891
20 Operating Characteristics ................................................................................... 893
21 Electrical Characteristics .................................................................................... 894
21.1 Maximum Ratings ....................................................................................................... 894
21.2 Recommended Operating Conditions ........................................................................... 894
21.3 Load Conditions .......................................................................................................... 895
21.4 JTAG and Boundary Scan ............................................................................................ 895
21.5 Power and Brown-Out ................................................................................................. 897
21.6 Reset ......................................................................................................................... 898
21.7 On-Chip Low Drop-Out (LDO) Regulator ....................................................................... 899
21.8 Clocks ........................................................................................................................ 899
21.8.1 PLL Specifications ....................................................................................................... 899
21.8.2 PIOSC Specifications .................................................................................................. 900
21.8.3 Internal 30-kHz Oscillator Specifications ....................................................................... 900
21.8.4 Hibernation Clock Source Specifications ....................................................................... 901
21.8.5 Main Oscillator Specifications ....................................................................................... 901
21.8.6 System Clock Specification with ADC Operation ............................................................ 902
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January 22, 2012
Texas Instruments-Production Data