LM3S818 Luminary Micro, Inc, LM3S818 Datasheet - Page 356

• Manufacturer Part Number: LM3S818
• Description: Lm3s818 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Quadrature Encoder Interface (QEI)
356
Reset
Reset
Type
Type
Bit/Field
31:0
QEI Velocity (QEISPEED)
Offset 0x01C
RO
RO
31
15
0
0
Register 8: QEI Velocity (QEISPEED), offset 0x01C
This register contains the most recently measured velocity of the quadrature encoder. This
corresponds to the number of velocity pulses counted in the previous velocity timer period. This
register does not update when VelEn in QEICTL is 0.
RO
RO
30
14
0
0
Speed
Name
RO
RO
29
13
0
0
RO
RO
28
12
0
0
Type
RO
RO
RO
27
11
0
0
RO
RO
26
10
0
0
Reset
RO
RO
25
0
9
0
0
Preliminary
RO
RO
24
0
8
0
Speed
Speed
Description
The measured speed of the quadrature encoder in pulses
per period.
RO
RO
23
0
7
0
RO
RO
22
0
6
0
RO
RO
21
0
5
0
RO
RO
20
0
4
0
RO
RO
19
0
3
0
RO
RO
18
0
2
0
February 6, 2007
RO
RO
17
0
1
0
RO
RO
16
0
0
0