Enhanced Quadrature Encoder Pulse (eQEP) Module
15.4.3.10 eQEP Watchdog Timer Register (QWDTMR)
Figure 15-158. eQEP Watchdog Timer Register (QWDTMR)
15
0
QWDTMR
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 15-133. eQEP Watchdog Timer Register (QWDTMR) Field Descriptions
Bits
Name
Value
Description
15-0
QWDTMR
0-FFFF FFFFh
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.
15.4.3.11 eQEP Watchdog Period Register (QWDPRD)
Figure 15-159. eQEP Watchdog Period Register (QWDPRD)
15
0
QWDPRD
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 15-134. eQEP Watchdog Period Register (QWDPRD) Field Description
Bits
Name
Value
Description
15-0
QWDPRD
0-FFFFh
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.
1676
Pulse-Width Modulation Subsystem (PWMSS)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated