TM4C1232H6PM Datasheet, PDF (8/1172 Pages) Texas Instruments – Tiva Microcontroller

Table of Contents
16 Controller Area Network (CAN) Module ............................................................. 978
16.1 Block Diagram ............................................................................................................ 979
16.2 Signal Description ....................................................................................................... 979
16.3 Functional Description ................................................................................................. 980
16.3.1 Initialization ................................................................................................................. 981
16.3.2 Operation ................................................................................................................... 981
16.3.3 Transmitting Message Objects ..................................................................................... 982
16.3.4 Configuring a Transmit Message Object ........................................................................ 983
16.3.5 Updating a Transmit Message Object ........................................................................... 984
16.3.6 Accepting Received Message Objects .......................................................................... 984
16.3.7 Receiving a Data Frame .............................................................................................. 985
16.3.8 Receiving a Remote Frame .......................................................................................... 985
16.3.9 Receive/Transmit Priority ............................................................................................. 986
16.3.10 Configuring a Receive Message Object ........................................................................ 986
16.3.11 Handling of Received Message Objects ........................................................................ 987
16.3.12 Handling of Interrupts .................................................................................................. 989
16.3.13 Test Mode ................................................................................................................... 990
16.3.14 Bit Timing Configuration Error Considerations ............................................................... 992
16.3.15 Bit Time and Bit Rate ................................................................................................... 992
16.3.16 Calculating the Bit Timing Parameters .......................................................................... 994
16.4 Register Map .............................................................................................................. 997
16.5 CAN Register Descriptions .......................................................................................... 998
17 Universal Serial Bus (USB) Controller ............................................................. 1028
17.1 Block Diagram ........................................................................................................... 1028
17.2 Signal Description ..................................................................................................... 1029
17.3 Functional Description ............................................................................................... 1029
17.3.1 Operation .................................................................................................................. 1029
17.3.2 DMA Operation ......................................................................................................... 1034
17.4 Initialization and Configuration .................................................................................... 1035
17.4.1 Endpoint Configuration .............................................................................................. 1035
17.5 Register Map ............................................................................................................ 1036
17.6 Register Descriptions ................................................................................................. 1039
18 Analog Comparators .......................................................................................... 1084
18.1 Block Diagram ........................................................................................................... 1085
18.2 Signal Description ..................................................................................................... 1085
18.3 Functional Description ............................................................................................... 1086
18.3.1 Internal Reference Programming ................................................................................ 1087
18.4 Initialization and Configuration .................................................................................... 1089
18.5 Register Map ............................................................................................................ 1089
18.6 Register Descriptions ................................................................................................. 1090
19 Pin Diagram ........................................................................................................ 1099
20 Signal Tables ...................................................................................................... 1100
20.1 Signals by Pin Number .............................................................................................. 1101
20.2 Signals by Signal Name ............................................................................................. 1106
20.3 Signals by Function, Except for GPIO ......................................................................... 1112
20.4 GPIO Pins and Alternate Functions ............................................................................ 1116
20.5 Possible Pin Assignments for Alternate Functions ....................................................... 1119
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June 12, 2014
Texas Instruments-Production Data