Ecap Functional Block Diagram - Texas Instruments TMS320F2809 Data Manual

TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015
SPRS230N – OCTOBER 2003 – REVISED MAY 2012
(Phase Register - 32-bit)
SYNCIn
SYNCOut
(Counter - 32-bit)
32
(APRD Active)
APRD
Shadow
32
32
(ACMP Active)
32
(APRD Shadow)
32
(ACMP Shadow)
Interrupt
Trigger
to PIE and
Flag
Control
58 Peripherals
Product Folder Link(s):
CTRPHS
CTR_OVF
OVF
TSCTR
Delta Mode
RST
32
CTR [0-31]
32
PRD [0-31]
LD1
CAP1
LD
32
CMP [0-31]
LD2
CAP2
LD
ACMP
32
Shadow
LD3
CAP3
LD
LD4
CAP4
LD
Capture Events
CEVT[1:4]
CTR_OVF
CTR=PRD
CTR=CMP
Figure 4-5. eCAP Functional Block Diagram
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TMS320F2809 TMS320F2808 TMS320F2806 TMS320F2802 TMS320F2801 TMS320C2802
TMS320C2801 TMS320F28016 TMS320F28015
APWM Mode
CTR [0-31]
PRD [0-31]
CMP [0-31]
CTR=PRD
CTR=CMP
Polarity
Select
Polarity
Select
Event
Qualifier
Polarity
Select
Polarity
Select
4
4
Continuous/
One-Shot
Capture Control
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Logic
Event
Prescale
eCAPx