Texas Instruments TMS320F28016 Ctrphs, Ctrovf OVF, Rst, Ctr=Prd Ctr=Cmp, LD1 Select, CAP1

Models: TMS320F28016 TMS320F2801 TMS320F2802 TMS320F28015 TMS320C2801 TMS320F2806 TMS320F2808 TMS320F2809 TMS320C2802

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TMS320F2809, TMS320F2808, TMS320F2806

 

 

 

 

 

 

 

TMS320F2802, TMS320F2801, TMS320C2802

 

 

 

 

 

 

 

TMS320C2801, TMS320F28016, TMS320F28015

www.ti.com

 

 

 

 

 

 

SPRS230L –OCTOBER 2003 –REVISED DECEMBER 2009

 

 

 

CTRPHS

 

 

APWM mode

 

 

SYNCIn

SYNC

(phase register−32 bit)

CTR_OVF

 

 

 

 

 

OVF

CTR [0−31]

 

 

 

 

 

 

 

 

 

 

 

SYNCOut

 

 

TSCTR

 

 

 

 

PWM

 

 

 

(counter−32

bit)

 

 

 

 

 

 

 

RST

Delta−mode

PRD [0−31]

compare

 

 

 

 

 

 

 

 

 

 

 

 

 

 

logic

 

 

 

 

 

 

 

 

CMP [0−31]

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

 

 

 

 

 

CTR [0−31]

CTR=PRD

 

 

 

 

 

 

 

CTR=CMP

 

 

 

 

 

32

 

 

 

 

 

 

 

PRD [0−31]

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

LD1

 

SELECT

eCAPx

 

 

CAP1

 

LD

Polarity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(APRD active)

 

select

 

 

 

 

 

 

 

MODE

 

 

shadow

 

CMP [0−31]

 

 

 

 

APRD

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

32

 

 

CAP2

 

LD

LD2

Polarity

 

 

 

 

 

 

 

 

 

 

 

(ACMP active)

 

select

 

 

 

 

 

 

 

 

 

 

 

 

32

ACMP

Event

 

Event

 

 

 

 

qualifier

 

 

 

 

 

 

shadow

 

Pre-scale

 

 

 

 

 

 

 

 

32

 

 

CAP3

 

 

LD3

Polarity

 

 

 

 

 

LD

select

 

 

 

 

 

 

 

 

 

 

 

(APRD shadow)

 

 

 

 

 

 

 

 

 

 

 

32

 

 

CAP4

 

LD

LD4

Polarity

 

 

 

 

 

(ACMP shadow)

 

select

 

 

 

 

 

 

 

 

 

to PIE

Interrupt

Trigger

and Flag control

4

Capture events

CEVT[1:4]

CTR_OVF

CTR=PRD

CTR=CMP

4

Continuous /

Oneshot

Capture Control

Figure 4-5. eCAP Functional Block Diagram

Copyright © 2003–2009, Texas Instruments Incorporated

Peripherals

59

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Page 59
Image 59
Texas Instruments TMS320F28016 Ctrphs, Ctrovf OVF, Rst, Ctr=Prd Ctr=Cmp, LD1 Select, CAP1, Aprd CAP2 LD2, CAP3 LD3