Texas Instruments AM1808 - Page 229

TSCTR
(counter−32 bit)
RST
CAP1
(APRD active)
LD
CAP2
(ACMP active)
LD
CAP3
(APRD shadow)
LD
CAP4
(ACMP shadow)
LD
Continuous /
Oneshot
Capture Control
LD1
LD2
LD3
LD4
32
32
PRD [0−31]
CMP [0−31]
CTR [0−31]
eCAPx
Interrupt
Trigger
and
Flag
control
to Interrupt
Controller
CTR=CMP
32
32
32
32
32
ACMP
shadow
Event
Pre-scale
CTRPHS
(phase register−32 bit)
SYNCOut
SYNCIn
Event
qualifier
Polarity
select
Polarity
select
Polarity
select
Polarity
select
CTR=PRD
CTR_OVF
4
PWM
compare
logic
CTR [0−31]
PRD [0−31]
CMP [0−31]
CTR=CMP
CTR=PRD
CTR_OVF
OVF
APWM mode
Delta−mode
SYNC
4
Capture events
CEVT[1:4]
APRD
shadow
32
32
MODE SELECT
AM1808
www.ti.com SPRS653E –FEBRUARY 2010–REVISED MARCH 2014
Figure 6-76. eCAP Functional Block Diagram
Copyright © 2010–2014, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 229
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