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eCAP Registers

32.5.5 Capture-3 Register (CAP3)

Figure 32-18. 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 32-6. 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.

32.5.6 Capture-4 Register (CAP4)

Figure 32-19. 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 32-7. 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.

1665

SPNU562–May 2014 Enhanced Capture (eCAP) Module

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