TMS570LS1224 Datasheet, PDF (116/169 Pages) Texas Instruments – 16- and 32-Bit RISC Flash Microcontroller

TMS570LS1224
SPNS190B – OCTOBER 2012 – REVISED FEBRUARY 2015
7.2 Enhanced Capture Modules (eCAP)
Figure 7-3 shows how the eCAP modules are interconnected on this microcontroller.
EPWM1SYNCO
ECAP1SYNCI
ECAP1
VIM
ECAP1INTn
ECAP1
VBus32
VCLK4, SYS_nRST
ECAP1SYNCO
ECAP1ENCLK
ECAP2SYNCI
ECAP2
VIM
ECAP2INTn
ECAP
2/3/4/5
VBus32
ECAP2SYNCO
VCLK4, SYS_nRST
ECAP2ENCLK
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ECAP6
VIM
ECAP
VBus32
ECAP6INTn
6
VCLK4, SYS_nRST
ECAP6ENCLK
Figure 7-3. eCAP Module Connections
7.2.1 Clock Enable Control for eCAPx Modules
Each of the ECAPx modules have a clock enable (ECAPxENCLK). These signals need to be generated
from a device-level control register. When SYS_nRST is active low, the clock enables are ignored and the
ECAPx logic is clocked so that it can reset to a proper state. When SYS_nRST goes in-active high, the
state of clock enable is respected.
116 Peripheral Information and Electrical Specifications
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