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eCAP Registers

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; R = Read only; -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; R = Read only; -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.

1881

SPNU563–May 2014 Enhanced Capture (eCAP) Module

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