Texas Instruments TMS570LC4357

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1981
SPNU563A–March 2018
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Enhanced Quadrature Encoder Pulse (eQEP) Module
34.3.7 eQEP Position Counter Latch Register (QPOSLAT)
Figure 34-27. eQEP Position Counter Latch Register (QPOSLAT) [offset = 18h]
31 0
QPOSLAT
R-0
LEGEND: R = Read only; -n = value after reset
Table 34-10. eQEP Position Counter Latch Register (QPOSLAT) Field Descriptions
Bits Name Description
31-0 QPOSLAT The position-counter value is latched into this register on unit time out event.
34.3.8 eQEP Unit Timer Register (QUTMR)
Figure 34-28. eQEP Unit Timer Register (QUTMR) [offset = 1Ch]
31 0
QUTMR
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 34-11. eQEP Unit Timer Register (QUTMR) Field Descriptions
Bits Name Description
31-0 QUTMR This register acts as time base for unit time event generation. When this timer value matches with unit time
period value, unit time event is generated.
34.3.9 eQEP Unit Period Register (QUPRD)
Figure 34-29. eQEP Unit Period Register (QUPRD) [offset = 20h]
31 0
QUPRD
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 34-12. eQEP Unit Period Register (QUPRD) Field Descriptions
Bits Name Description
31-0 QUPRD This register contains the period count for unit timer to generate periodic unit time events to latch the eQEP
position information at periodic interval and optionally to generate interrupt.