TMS320F28027DAS datasheet(13/147 Pages) TI2

13 / 147 page

TERMINAL

I/O/Z

DESCRIPTION

NAME(1)

PIN NO.

GPIO4

I/O/Z

General-purpose input/output 4

EPWM3A

Enhanced PWM3 output A and HRPWM channel

–

GPIO5

I/O/Z

General-purpose input/output 5

EPWM3B

Enhanced PWM3 output B

–

ECAP1

I/O

Enhanced Capture input/output 1

GPIO6

I/O/Z

General-purpose input/output 6

EPWM4A

Enhanced PWM4 output A and HRPWM channel

EPWMSYNCI

External ePWM sync pulse input

EPWMSYNCO

External ePWM sync pulse output

GPIO7

I/O/Z

General-purpose input/output 7

EPWM4B

Enhanced PWM4 output B

SCIRXDA

SCI-A receive data

–

GPIO12

I/O/Z

General-purpose input/output 12

TZ1

Trip Zone input 1

SCITXDA

SCI-A transmit data

–

GPIO16

I/O/Z

General-purpose input/output 16

SPISIMOA

I/O

SPI slave in, master out

–

TZ2

Trip Zone input 2

GPIO17

I/O/Z

General-purpose input/output 17

SPISOMIA

I/O

SPI-A slave out, master in

–

TZ3

Trip zone input 3

GPIO18

I/O/Z

General-purpose input/output 18

SPICLKA

I/O

SPI-A clock input/output

SCITXDA

SCI-A transmit

XCLKOUT

O/Z

Output clock derived from SYSCLKOUT. XCLKOUT is either the same frequency,

one-half the frequency, or one-fourth the frequency of SYSCLKOUT. This is

controlled by bits 1:0 (XCLKOUTDIV) in the XCLK register. At reset, XCLKOUT =

SYSCLKOUT/4. The XCLKOUT signal can be turned off by setting XCLKOUTDIV

to 3. The mux control for GPIO18 must also be set to XCLKOUT for this signal to

propogate to the pin.

GPIO19

I/O/Z

General-purpose input/output 19

XCLKIN

External Oscillator Input. The path from this pin to the clock block is not gated by

the mux function of this pin. Care must be taken not to enable this path for clocking

if it is being used for the other periperhal functions

SPISTEA

I/O

SPI-A slave transmit enable input/output

SCIRXDA

SCI-A receive

ECAP1

I/O

Enhanced Capture input/output 1

GPIO28

I/O/Z

General-purpose input/output 28

SCIRXDA

SCI receive data

SDAA

I/OD

I2C data open-drain bidirectional port

TZ2

Trip zone input 2

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TMS320F28027, TMS320F28027-Q1, TMS320F28027F, TMS320F28027F-Q1, TMS320F28026

TMS320F28026-Q1, TMS320F28026F, TMS320F28026F-Q1, TMS320F28023

TMS320F28023-Q1, TMS320F28022, TMS320F28021, TMS320F28020, TMS320F280200

SPRS523P – NOVEMBER 2008 – REVISED FEBRUARY 2021

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Product Folder Links: TMS320F28027 TMS320F28027-Q1 TMS320F28027F TMS320F28027F-Q1

TMS320F28026 TMS320F28026-Q1 TMS320F28026F TMS320F28026F-Q1 TMS320F28023 TMS320F28023-

Q1 TMS320F28022 TMS320F28021 TMS320F28020 TMS320F280200

TMS320F28027DAS Datasheet(PDF) 13 Page - Texas Instruments

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