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eQEP Registers

33.3.18 eQEP Interrupt Force Register (QFRC)

Figure 33-38. eQEP Interrupt Force Register (QFRC) [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 Reserved

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R-0

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

Table 33-21. eQEP Interrupt Force Register (QFRC) Field Descriptions

Bit Field Value Description

15-12 Reserved 0 Always read as 0

11 UTO Force unit time out interrupt

0 No effect

1 Force the interrupt

10 IEL Force index event latch interrupt

0 No effect

1 Force the interrupt

9 SEL Force strobe event latch interrupt

0 No effect

1 Force the interrupt

8 PCM Force position-compare match interrupt

0 No effect

1 Force the interrupt

7 PCR Force position-compare ready interrupt

0 No effect

1 Force the interrupt

6 PCO Force position counter overflow interrupt

0 No effect

1 Force the interrupt

5 PCU Force position counter underflow interrupt

0 No effect

1 Force the interrupt

4 WTO Force watchdog time out interrupt

0 No effect

1 Force the interrupt

3 QDC Force quadrature direction change interrupt

0 No effect

1 Force the interrupt

2 PHE Force quadrature phase error interrupt

0 No effect

1 Force the interrupt

1 PCE Force position counter error interrupt

0 No effect

1 Force the interrupt

0 Reserved 0 Always read as 0

1707

SPNU562–May 2014 Enhanced QEP (eQEP) Module

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