Interrupts In Ecap Module - Texas Instruments Concerto F28M35 Series Technical Reference Manual

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Capture Mode Description

Note: The CEVT1, CEVT2, CEVT3, CEVT4 flags are only active in capture mode (ECCTL2[CAP/APWM

== 0]). The CTR=PRD, CTR=CMP flags are only valid in APWM mode (ECCTL2[CAP/APWM == 1]).

CNTOVF flag is valid in both modes.

8.4.7 Shadow Load and Lockout Control

In capture mode, this logic inhibits (locks out) any shadow loading of CAP1 or CAP2 from APRD and

ACMP registers, respectively.

In APWM mode, shadow loading is active and two choices are permitted:

Immediate - APRD or ACMP are transferred to CAP1 or CAP2 immediately upon writing a new value.

On period equal, CTR[31:0] = PRD[31:0]

C28 Enhanced Capture (eCAP) Module

Figure 8-8. Interrupts in eCAP Module

SPRUH22I – April 2012 – Revised November 2019

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