Texas Instruments TMS570LC4357

www.ti.com eQEP Registers
1991
SPNU563A–March 2018
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Enhanced Quadrature Encoder Pulse (eQEP) Module
34.3.19 eQEP Interrupt Clear Register (QCLR)
Figure 34-39. eQEP Interrupt Clear Register (QCLR) [offset = 36h]
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 34-22. eQEP Interrupt Clear Register (QCLR) Field Descriptions
Bit Field Value Description
15-12 Reserved 0 Always read as 0.
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.
2 PHE Clear quadrature phase error interrupt flag.
0 No effect.
1 Clears the interrupt flag.
1 PCE Clear position counter error interrupt flag.
0 No effect.
1 Clears the interrupt flag.
0 INT Global interrupt clear flag.
0 No effect.
1 Clears the interrupt flag and enables further interrupts to be generated if an event flags is set to 1.