LM3S1969 Datasheet, PDF (8/677 Pages) Texas Instruments – Stellaris® LM3S1969 Microcontroller

Table of Contents
OBSOLETE: TI has discontinued production of this device.
17 Quadrature Encoder Interface (QEI) ................................................................... 593
17.1 Block Diagram ............................................................................................................ 593
17.2 Signal Description ....................................................................................................... 594
17.3 Functional Description ................................................................................................. 594
17.4 Initialization and Configuration ..................................................................................... 597
17.5 Register Map .............................................................................................................. 597
17.6 Register Descriptions .................................................................................................. 598
18 Pin Diagram .......................................................................................................... 611
19 Signal Tables ........................................................................................................ 612
19.1 Signals by Pin Number ................................................................................................ 612
19.2 Signals by Signal Name ............................................................................................... 616
19.3 Signals by Function, Except for GPIO ........................................................................... 621
19.4 GPIO Pins and Alternate Functions .............................................................................. 624
19.5 Connections for Unused Signals ................................................................................... 626
20 Operating Characteristics ................................................................................... 627
21 Electrical Characteristics .................................................................................... 628
21.1 DC Characteristics ...................................................................................................... 628
21.1.1 Maximum Ratings ....................................................................................................... 628
21.1.2 Recommended DC Operating Conditions ...................................................................... 628
21.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics ................................................ 629
21.1.4 GPIO Module Characteristics ....................................................................................... 629
21.1.5 Power Specifications ................................................................................................... 629
21.1.6 Flash Memory Characteristics ...................................................................................... 631
21.1.7 Hibernation ................................................................................................................. 631
21.2 AC Characteristics ....................................................................................................... 631
21.2.1 Load Conditions .......................................................................................................... 631
21.2.2 Clocks ........................................................................................................................ 632
21.2.3 JTAG and Boundary Scan ............................................................................................ 633
21.2.4 Reset ......................................................................................................................... 635
21.2.5 Sleep Modes ............................................................................................................... 636
21.2.6 Hibernation Module ..................................................................................................... 636
21.2.7 General-Purpose I/O (GPIO) ........................................................................................ 637
21.2.8 Analog-to-Digital Converter .......................................................................................... 638
21.2.9 Synchronous Serial Interface (SSI) ............................................................................... 639
21.2.10 Inter-Integrated Circuit (I²C) Interface ........................................................................... 640
21.2.11 Analog Comparator ..................................................................................................... 641
A
A.1
A.2
A.2.1
A.2.2
A.3
A.3.1
A.3.2
A.3.3
A.4
A.4.1
Serial Flash Loader .............................................................................................. 642
Serial Flash Loader ..................................................................................................... 642
Interfaces ................................................................................................................... 642
UART ......................................................................................................................... 642
SSI ............................................................................................................................. 642
Packet Handling .......................................................................................................... 643
Packet Format ............................................................................................................ 643
Sending Packets ......................................................................................................... 643
Receiving Packets ....................................................................................................... 643
Commands ................................................................................................................. 644
COMMAND_PING (0X20) ............................................................................................ 644
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July 24, 2012
Texas Instruments-Production Data