LM3S1439 Luminary Micro, Inc, LM3S1439 Datasheet - Page 470

• Manufacturer Part Number: LM3S1439
• Description: Lm3s1439 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
Quadrature Encoder Interface (QEI)
QEI Velocity (QEISPEED)
QEI0 base: 0x4002.C000
Offset 0x01C
Type RO, reset 0x0000.0000
470
Bit/Field
31:0
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
RO
RO
29
13
0
0
Speed
Name
RO
RO
28
12
0
0
RO
RO
27
11
0
0
Type
RO
RO
RO
26
10
0
0
Reset
0x00
RO
RO
25
0
9
0
Preliminary
RO
RO
24
0
8
0
Description
Velocity
The measured speed of the quadrature encoder in pulses per period.
Speed
Speed
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
July 25, 2008
RO
RO
17
0
1
0
RO
RO
16
0
0
0