Datasheet

www.ti.com eQEP Registers
33.3.10 eQEP Watchdog Period Register (QWDPRD)
Figure 33-30. eQEP Watchdog Period Register (QWDPRD) [offset = 26h]
15 0
QWDPRD
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 33-13. eQEP Watchdog Period Register (QWDPRD) Field Description
Bits Name Description
15-0 QWDPRD This register contains the time-out count for the eQEP peripheral watch dog timer. When the watchdog timer
value matches the watchdog period value, a watchdog timeout interrupt is generated.
33.3.11 eQEP Watchdog Timer Register (QWDTMR)
Figure 33-31. eQEP Watchdog Timer Register (QWDTMR) [offset = 24h]
15 0
QWDTMR
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 33-14. eQEP Watchdog Timer Register (QWDTMR) Field Descriptions
Bits Name Description
15-0 QWDTMR This register acts as time base for watch dog to detect motor stalls. When this timer value matches with watch
dog period value, watch dog timeout interrupt is generated. This register is reset upon edge transition in
quadrature-clock indicating the motion.
1699
SPNU562–May 2014 Enhanced QEP (eQEP) Module
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