TMS320F280049M_17 Datasheet, PDF (123/214 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F280049M
SPRS945 – JANUARY 2017
SYNCIn
SYNCOut
ECCTL2 [ SYNCI_EN, SYNCOSEL, SWSYNC]
CTRPHS
(phase register−32 bit)
TSCTR
(counter−32 bit)
OVF
RST
CTR_OVF
Delta−mode
32
32
CTR [0−31]
PRD [0−31]
ECCTL2[CAP/APWM]
APWM mode
CTR [0−31]
PRD [0−31]
CMP [0−31]
PWM
compare
logic
CTR=PRD
CTR=CMP
ECCTL1 [ CAPLDEN, CTRRSTx]
Output
X-Bar
32
CAP1
(APRD active)
APRD
32
shadow
32
LD1
LD
CMP [0−31]
Polarity
select
32
CAP2
LD2
LD
(ACMP active)
Polarity
select
32
ACMP
shadow
Event
qualifier
Event
Prescale
Other Sources
16
Input
X-Bar
32
CAP3
LD3
(APRD shadow)
LD
Polarity
select
ECCTL1[PRESCALE]
ECAPxDMA_INT
32
CAP4
(ACMP shadow)
ECCTL2[DMAEVTSEL]
ECCTL2[CTRFILTRESET]
LD4
LD
4
Capture events
CEVT[1:4]
Polarity
select
Edge Polarity Select
ECCTL1[CAPxPOL]
4
to PIE
Interrupt
Trigger
and
Flag
control
CTR_OVF
CTR=PRD
CTR=CMP
Registers: ECEINT, ECFLG, ECCLR, ECFRC
Continuous /
Oneshot
Capture Control
ECCTL2 [ RE−ARM, CONT/ONESHT, STOP_WRAP]
Copyright © 2017, Texas Instruments Incorporated
Figure 5-42. eCAP Block Diagram
Copyright © 2017, Texas Instruments Incorporated
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Specifications 123