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LM3S2939 Datasheet, PDF (652/749 Pages) Texas Instruments – Stellaris® LM3S2939 Microcontroller
Quadrature Encoder Interface (QEI)
Table 18-3. QEI Register Map (continued)
Offset Name
Type
Reset
Description
0x004 QEISTAT
0x008 QEIPOS
0x00C QEIMAXPOS
0x010 QEILOAD
0x014 QEITIME
0x018 QEICOUNT
0x01C QEISPEED
0x020 QEIINTEN
0x024 QEIRIS
0x028 QEIISC
RO
R/W
R/W
R/W
RO
RO
RO
R/W
RO
R/W1C
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
0x0000.0000
QEI Status
QEI Position
QEI Maximum Position
QEI Timer Load
QEI Timer
QEI Velocity Counter
QEI Velocity
QEI Interrupt Enable
QEI Raw Interrupt Status
QEI Interrupt Status and Clear
See
page
655
656
657
658
659
660
661
662
663
664
18.6
Register Descriptions
The remainder of this section lists and describes the QEI registers, in numerical order by address
offset.
652
June 18, 2012
Texas Instruments-Production Data