Texas Instruments TMS320F2837 D Series Workshop Guide And Lab Manual

General Purpose Digital I/O
5 - 16 TMS320F2837xD Microcontroller Workshop - System Initialization
above the multiplexing scheme used by the GPIO structure. Since the GPIO does not affect the
Input X-BAR, it is possible to route the output of one peripheral to another, such as measuring the
output of an ePWM with an eCAP for frequency testing.
F28x7x GPIO Input X-Bar Architecture
INPUTx
InputXbarRegs.INPUTxSELECT = GPIO Pin #
GPIO 0
GPIO n
This block diagram is replicated 14 times
Input Destinations
INPUT1 ePWM[TZ1, TRIP1], ePWM X-Bar, Output X-Bar
INPUT2 ePWM[TZ2, TRIP2], ePWM X-Bar, Output X-Bar
INPUT3 ePWM[TZ3, TRIP3], ePWM X-Bar, Output X-Bar
INPUT4 XINT1, ePWM X-Bar, Output X-Bar
INPUT5 XINT2, ADCEXTSOC, EXTSYNCIN1, ePWM X-Bar, Output X-Bar
INPUT6 XINT3, ePWM[TRIP6],EXTSYNCIN2, ePWM X-Bar, Output X-Bar
INPUT7 eCAP1
INPUT8 eCAP2
INPUT9 eCAP3
INPUT10 eCAP4
INPUT11 eCAP5
INPUT12 eCAP6
INPUT13 XINT4
INPUT14 XINT5
Note: INPUTSELECTLOCK register can be used to lock above registers (lock bit for each register)
GPIO Output X-Bar
F28x7x GPIO Output X-Bar
EPWM/ECAP sync
ADCSOCAO
ADCSOCBO
ECAP1
ECAP2
ECAP3
ECAP4
ECAP5
ECAP6
ADCA
ADCB
ADCC
ADCD
GPIO
Module
CMPSS1
CMPSS8
INPUT X-Bar
OUTPUT
X-Bar
SD1
SD2
OUTPUT1
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT5
OUTPUT6
OUTPUT7
OUTPUT8
INPUT1
INPUT2
INPUT3
INPUT4
INPUT5
INPUT6
EVT1 to EVT4
EVT1 to EVT4
EVT1 to EVT4
EVT1 to EVT4
ECAP1.OUT
ECAP2.OUT
ECAP3.OUT
ECAP4.OUT
ECAP5.OUT
ECAP6.OUT
ADCSOCAO
ADCSOCBO
EXTSYNCOUT
CTRIPOUTH
CTRIPOUTL
CTRIPOUTL
CTRIPOUTH
FLT1.COMPH
FLT1.COMPL
FLT4.COMPH
FLT4.COMPL
FLT1.COMPH
FLT1.COMPL
FLT4.COMPH
FLT4.COMPL

Texas Instruments TMS320F2837 D Series Specifications

General

Brand	Texas Instruments
Model	TMS320F2837 D Series
Category	Microcontrollers
Language	English