LM3S1538 Datasheet, PDF (546/637 Pages) Texas Instruments – ARM and Thumb are registered trademarks and Cortex is a trademark

Quadrature Encoder Interface (QEI)
Table 15-3. 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
549
550
551
552
553
554
555
556
557
558
15.6
Register Descriptions
The remainder of this section lists and describes the QEI registers, in numerical order by address
offset.
546
June 18, 2012
Texas Instruments-Production Data