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eQEP Registers www.ti.com
33.3.19 eQEP Interrupt Clear Register (QCLR)
Figure 33-39. eQEP Interrupt Clear Register (QCLR) [offset = 34h]
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 33-22. 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.
1708
Enhanced QEP (eQEP) Module SPNU562–May 2014
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