eQEP Registers
430
SPRUH91D – March 2013 – Revised September 2016
Copyright © 2013–2016, Texas Instruments Incorporated
Enhanced Quadrature Encoder Pulse (eQEP) Module
Table 15-19. eQEP Interrupt Flag Register (QFLG) Field Descriptions (continued)
Bits
Name
Value
Description
0
INT
Global interrupt status flag
0
No interrupt generated
1
Interrupt was generated
15.3.18 eQEP Interrupt Clear Register (QCLR)
Figure 15-38. eQEP Interrupt Clear Register (QCLR)
15
12
11
10
9
8
Reserved
UTO
IEL
SEL
PCM
R-0
R/W-0
R/W-0
R/W-0
R/W-0
7
6
5
4
3
2
1
0
PCR
PCO
PCU
WTO
QDC
PHE
PCE
INT
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -
n
= value after reset
Table 15-20. eQEP Interrupt Clear Register (QCLR) Field Descriptions
Bit
Field
Value
Description
15-12
Reserved
0
Always write as 0s
11
UTO
Clear unit time out interrupt flag
0
No effect
1
Clears the interrupt flag
10
IEL
Clear index event latch interrupt flag
0
No effect
1
Clears the interrupt flag
9
SEL
Clear strobe event latch interrupt flag
0
No effect
1
Clears the interrupt flag
8
PCM
Clear eQEP compare match event interrupt flag
0
No effect
1
Clears the interrupt flag
7
PCR
Clear position-compare ready interrupt flag
0
No effect
1
Clears the interrupt flag
6
PCO
Clear position counter overflow interrupt flag
0
No effect
1
Clears the interrupt flag
5
PCU
Clear position counter underflow interrupt flag
0
No effect
1
Clears the interrupt flag
4
WTO
Clear watchdog timeout interrupt flag
0
No effect
1
Clears the interrupt flag
3
QDC
Clear quadrature direction change interrupt flag
0
No effect
1
Clears the interrupt flag