eCAP Registers
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SPNU563A–March 2018
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Enhanced Capture (eCAP) Module
33.5.5 Capture-3 Register (CAP3)
Figure 33-18. Capture-3 Register (CAP3) [offset = 10h]
31 0
CAP3
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 33-6. Capture-3 Register (CAP3) Field Descriptions
Bits Field Description
31-0 CAP3 In CMP mode, this is a time-stamp capture register. In APWM mode, this is the period shadow (APRD) register.
You update the PWM period value through this register. In this mode, CAP3 (APRD) shadows CAP1.
33.5.6 Capture-4 Register (CAP4)
Figure 33-19. Capture-4 Register (CAP4) [offset = 14h]
31 0
CAP4
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 33-7. Capture-4 Register (CAP4) Field Descriptions
Bits Field Description
31-0 CAP4 In CMP mode, this is a time-stamp capture register. In APWM mode, this is the compare shadow (ACMP) register.
You update the PWM compare value via this register. In this mode, CAP4 (ACMP) shadows CAP2.
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