Texas Instruments TMS570LC4357

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SPNU563A–March 2018
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Enhanced Capture (eCAP) Module
33.5.3 Capture-1 Register (CAP1)
NOTE: In APWM mode, writing to CAP1/CAP2 active registers also writes the same value to the
corresponding shadow registers CAP3/CAP4. This emulates immediate mode. Writing to the
shadow registers CAP3/CAP4 invokes the shadow mode.
Figure 33-16. Capture-1 Register (CAP1) [offset = 08h]
31 0
CAP1
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 33-4. Capture-1 Register (CAP1) Field Descriptions
Bits Field Description
31-0 CAP1 This register can be loaded (written) by :
• Time-Stamp (counter value) during a capture event
• Software - may be useful for test purposes / initialization
• APRD shadow register (CAP3) when used in APWM mode
33.5.4 Capture-2 Register (CAP2)
NOTE: In APWM mode, writing to CAP1/CAP2 active registers also writes the same value to the
corresponding shadow registers CAP3/CAP4. This emulates immediate mode. Writing to the
shadow registers CAP3/CAP4 invokes the shadow mode.
Figure 33-17. Capture-2 Register (CAP2) [offset = 0Ch]
31 0
CAP2
R/W-0
LEGEND: R/W = Read/Write; -n = value after reset
Table 33-5. Capture-2 Register (CAP2) Field Descriptions
Bits Field Description
31-0 CAP2 This register can be loaded (written) by:
• Time-Stamp (counter value) during a capture event
• Software - may be useful for test purposes
• APRD shadow register (CAP4) when used in APWM mode